The best refractor telescope for most beginners is the Celestron StarSense Explorer DX 102AZ, a 102 mm f/6.5 refractor on a full tripod that a phone app guides to each target. It ships with an erect-image diagonal, so it also works by day. Under $250, choose the StarSense Explorer LT 80AZ, whose f/11 lens shows the least false colour of any cheap refractor. For ED glass, choose the SVBONY SV503 80ED, a tube that needs its own mount and diagonal. For GoTo tracking, choose the NexStar 102SLT. Ten picks follow, with what each one needs before first light.
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Answer a few questions to narrow the ten picks, or start with the quick picks table.
Your top 3 refractors
| Pick | Refractor | Key spec | Price |
|---|---|---|---|
| Best refractor for beginners overall | StarSense Explorer DX 102AZ | 102 mm, f/6.5, 6.4 kg | View on Amazon |
| Best entry-level ED refractor | SVBONY SV503 80ED | 80 mm, f/7, 3.7 kg, tube only | View on Amazon |
| Best app-guided refractor under $300 | StarSense Explorer LT 80AZ | 80 mm, f/11.3, 4.2 kg | View on Amazon |
| Best 100mm refractor for day and night | Inspire 100AZ | 100 mm, f/6.6, 5.6 kg | View on Amazon |
| Best GoTo refractor | NexStar 102SLT | 102 mm, f/6.5, 6.4 kg | View on Amazon |
| Best ED doublet from a refractor specialist | Sky-Watcher Evostar 80EDX | 80 mm, f/7.5, 4 kg, tube only | View on Amazon |
| Best large ED tube for the money | SVBONY SV503 102ED | 102 mm, f/7, 5.5 kg, tube only | View on Amazon |
| Best budget achromat tube for wide-field and astrophotography | SVBONY SV48P 90mm | 90 mm, f/5.5, 2.7 kg, tube only | View on Amazon |
| Best cheap refractor for daytime and travel | Travel Scope 80 | 80 mm, f/5, 1.9 kg | View on Amazon |
| Best triplet ED tube for visual and imaging | Explore Scientific ED102 Triplet | 102 mm, f/7, 4.9 kg, tube only | View on Amazon |
What makes a refractor good for a beginner?
A refractor gathers light with a lens at the front of a sealed tube. Nothing inside moves, so it never needs collimation, the mirror alignment that reflectors need. The small tube reaches outdoor temperature in about 10 minutes, and the image has no central obstruction, which gives it high contrast on the Moon and planets. Those traits make a refractor the easiest telescope to set up and use. Four numbers decide which refractor to buy: aperture, focal ratio, glass type and what comes in the box. Our guide to the pros and cons of refracting telescopes covers the design in more depth.
Aperture
Aperture is the diameter of the front lens. A 102 mm lens collects 1.6 times the light of an 80 mm lens and resolves detail down to 1.14″ against 1.45″ (the Dawes limit, 116 divided by the aperture in mm). In practice, 80 mm shows Jupiter’s two main belts, Saturn’s rings and hundreds of lunar craters. 100 mm adds sharper planet detail and brighter star clusters. Lenses get expensive fast above 100 mm, which is why every pick here sits between 80 mm and 102 mm.
Focal ratio
The focal ratio is the focal length divided by the aperture. The LT 80AZ has a 900 mm focal length on an 80 mm lens, so it runs at f/11. A short ratio such as f/5 gives a short tube and a wide field, which suits star fields, daytime scenes and travel. A long ratio gives a long tube, higher power with the same eyepiece and, in an achromat, much less false colour. Magnification is the telescope’s focal length divided by the eyepiece’s, so a 10 mm eyepiece gives 66x on a 660 mm scope and 90x on a 900 mm one.
Kit or tube
Five picks are complete kits with a tripod, eyepieces and a diagonal. The other five are optical tubes only, sold without a mount, diagonal or eyepiece. The kits are ready on the first night. The tubes cost more to finish but give better glass. The next two sections explain that trade.
Achromat vs ED: false colour and what it costs to fix
A lens bends each colour of light by a slightly different amount, so not every colour comes to focus at the same point. An achromat uses two lenses of ordinary glass to bring red and blue light to one focus, but violet still focuses a little behind them. The result is false colour: a purple halo around the Moon’s edge, Jupiter, Venus and bright stars like Vega. On faint objects, and in daytime scenes at low power, it barely shows.
An ED refractor uses one element of extra-low dispersion glass, which brings violet much closer to the same focus. The halo shrinks to a faint fringe or disappears, and stars stay sharp in photos. A triplet such as the Explore Scientific ED102 adds a third element and corrects colour further.
How much false colour each achromat shows
False colour in an achromat depends on two numbers: a longer focal ratio reduces it and a larger aperture increases it. The chromatic aberration index, the focal ratio divided by the aperture in inches, turns that into one figure. Below 3 the purple halo shows on bright targets, from 3 to 5 it is faint, and above 5 most observers cannot see it. We ran the index for the six achromats in this guide.
| Achromat | Lens | CA index |
|---|---|---|
| StarSense Explorer LT 80AZ | 80 mm f/11.25 | 3.6 |
| Inspire 100AZ | 100 mm f/6.6 | 1.7 |
| StarSense Explorer DX 102AZ | 102 mm f/6.5 | 1.6 |
| NexStar 102SLT | 102 mm f/6.5 | 1.6 |
| Travel Scope 80 | 80 mm f/5 | 1.6 |
| SVBONY SV48P 90mm | 90 mm f/5.5 | 1.6 |
Only the LT 80AZ clears 3. Every other achromat here shows a violet halo on Jupiter, Venus and the lunar edge at high power, though the 100 mm models still show more planet detail than the LT 80AZ because of their aperture. The halo does not hide detail on the Moon at low power or on daytime scenes. A minus-violet or “fringe killer” filter reduces it at the cost of a faint yellow tint.
What fixing it costs
Fixing false colour costs more than the tube price suggests. The DX 102AZ sells for about $490 with a tripod, a phone mount, two eyepieces and a diagonal. The SV503 102ED, the same 102 mm aperture in ED glass, costs about $525 to $730 for the tube alone, before a mount, a diagonal and an eyepiece. A triplet such as the ED102 sells for about $700 on sale and $1,000 or more at list. For a first telescope used mostly on the Moon and planets by eye, an achromat is the better use of the money. Buy ED glass if false colour would bother you, or if astrophotography is the goal. Our achromatic vs apochromatic comparison covers the optics in detail.
Why most ED refractors ship as a bare tube
ED refractors sell mostly to observers who already own a mount or want to choose their own, so makers sell the optical tube alone. None of the four ED picks in this guide comes with a mount, a diagonal or an eyepiece, and no complete ED kit for beginners is sold on Amazon. Before the first night with an ED tube you need:
- A mount and tripod rated well above the tube’s weight. The tubes here weigh 3.7 kg to 5.5 kg. The SVBONY SV225 alt-az head carries 10 kg and sits on the SV225T tripod, both in the accessories list.
- A star diagonal. It turns the light 90 degrees so you look down into the eyepiece instead of lying under the tube. A dielectric mirror diagonal reflects about 99 percent of the light. Our star diagonal guide compares the options.
- One or two eyepieces. A 7 mm to 21 mm zoom covers 27x to 80x on the SV503 80ED with a single eyepiece.
The SV503 80ED and the Evostar 80EDX ship with an adapter for 1.25-inch accessories, so the diagonals and eyepiece in the accessories list fit them.
Refractor or reflector telescope for beginners?
A reflector gives more aperture for the money, and a refractor gives the simpler telescope. A 130 mm reflector costs about the same as a 102 mm refractor kit and gathers 60 percent more light, which shows more galaxies, nebulae and faint clusters. Its mirrors need collimation from time to time and its open tube takes longer to cool.
Choose a refractor when ease matters most: no collimation, a quick cooldown, a sealed tube that stays clean and an upright image for daytime use with the right diagonal. Choose a reflector when deep-sky objects are the goal and the telescope will stay in one backyard. Our guide to the best reflector telescopes for beginners covers that side.
Using a refractor in daytime
A refractor makes a good spotting scope for birds, wildlife and landscapes, which a reflector cannot do. The diagonal decides the result. A standard star diagonal shows the scene upright but reversed left to right, so text reads backwards. An erect-image diagonal uses a prism that corrects both axes, so the view matches what you see with your eyes.
The DX 102AZ, the Inspire 100AZ and the Travel Scope 80 ship with an erect-image diagonal and work by day out of the box. The LT 80AZ has one too, but its 900 mm focal length gives a narrow field for moving birds. The ED tubes need a 45-degree erect-image diagonal, listed in the accessories. Daytime views look best at 20x to 50x, because heat shimmer over the ground blurs higher power. Never point any telescope at the Sun without a certified solar filter over the front of the tube.
Astrophotography with a refractor
A short ED refractor is the standard first imaging telescope. The SV503 80ED, the Evostar 80EDX, the SV503 102ED and the ED102 all run near f/7, which suits a camera, and their ED glass keeps stars free of coloured halos. Long exposures of nebulae and galaxies also need a tracking equatorial mount, which none of these tubes includes. The SV225 is a manual mount for visual use. The NexStar 102SLT tracks, which helps for short video of the Moon and planets. Any kit with a phone adapter takes Moon photos through the eyepiece.
The best refractor telescopes for beginners in 2026
Picks run in ranked order. Each card shows aperture, focal ratio, glass, what is in the box, weight and price tier. Kits also show their useful magnification range.
Best refractor for beginners overall: Celestron StarSense Explorer DX 102AZ
Best refractor for beginners overall
Best for: First-time buyers who want a 4-inch refractor that an app helps aim
Not a fit for your answers
- Aperture
- 102 mm
- Focal length
- 660 mm (f/6.5)
- Glass
- Achromat
- In the box
- Complete kit
- Mount
- Alt-az
- Finding
- App-guided
- Weight
- 6.4 kg (kit)
- Best for
- Night sky, Daytime
- Price tier
- $250 to $499
Magnification: 26x to 165x useful range with common eyepieces.
Pros
- 102 mm aperture with an app that finds targets
- Erect-image diagonal in the box, so it works by day
- Complete kit: tripod, 25 mm and 10 mm eyepieces
Cons
- Achromat: violet halo on the Moon and bright planets
- 6.4 kg kit, a car-boot scope rather than a carry-on
- Needs a charged phone
Ships with 25 mm (26x) and 10 mm (66x) eyepieces. Kit weight 14.2 lb (6.4 kg). Ships to US addresses; in stock at US dealers.
The DX 102AZ solves the problem that ends most beginners’ interest: finding things. Dock a phone above the tube, open the StarSense app and pick a target from the night’s list. The app reads the star field through a mirror on the dock and shows arrows until the target sits in the eyepiece. It needs no motors, no power for the scope and no alignment stars. The 25 mm and 10 mm eyepieces give 26x and 66x, and 102 mm supports up to about 165x with a shorter eyepiece or a Barlow lens.
The erect-image diagonal makes it a daytime scope too. The trade-offs are the violet halo on Jupiter and the Moon’s edge at high power, and a kit weight of 6.4 kg that suits a car boot better than a flight. Our DX 102AZ review covers the app in more detail.
Best entry-level ED refractor: SVBONY SV503 80ED
Best entry-level ED refractor
Best for: Buyers who want ED glass for the least money and will add a mount
Not a fit for your answers
- Aperture
- 80 mm
- Focal length
- 560 mm (f/7)
- Glass
- ED
- In the box
- Tube only
- Mount
- None (add your own)
- Finding
- Manual
- Weight
- 3.7 kg (tube only)
- Best for
- Night sky, Astrophotography
- Price tier
- $250 to $499
Tube only: add a mount and a diagonal.
Pros
- ED glass: no violet halo on bright objects
- Light 3.7 kg tube, wide field at f/7
- Dual-speed focuser and 1.25-inch adapter
Cons
- Tube only: mount, diagonal and eyepiece are extra
- Needs an erect-image diagonal for daytime use
- 80 mm limits fine planet detail
Tube weight 3.69 kg, focal length 560 mm. Includes a finder and a 2-inch to 1.25-inch adapter.
The SV503 80ED is the cheapest route to ED glass from a known brand, at about $400 to $440 for the tube. The 80 mm f/7 doublet shows the Moon and planets without the purple halo of the achromats above, and the 560 mm focal length frames the Pleiades or the Andromeda Galaxy’s core in one view. The tube weighs 3.7 kg, so a light alt-az mount carries it.
It ships with no mount, diagonal or eyepiece. Budget for all three, or pick the DX 102AZ if you want one box and one price. It is the best first tube for a buyer who plans to add a camera later.
Best app-guided refractor under $300: Celestron StarSense Explorer LT 80AZ
Best app-guided refractor under $300
Best for: Beginners who want the cleanest achromat views and app finding for the least money
Not a fit for your answers
- Aperture
- 80 mm
- Focal length
- 900 mm (f/11.3)
- Glass
- Achromat
- In the box
- Complete kit
- Mount
- Alt-az
- Finding
- App-guided
- Weight
- 4.2 kg (kit)
- Best for
- Night sky, Daytime
- Price tier
- Under $250
Magnification: 36x to 160x useful range with common eyepieces.
Pros
- f/11: the least false colour of the achromats
- App-guided finding with no alignment
- Complete kit with a 2x Barlow, under $250
Cons
- Tube about 90 cm long, narrow field by day
- 80 mm limits faint objects and fine detail
- Needs a charged phone
Ships with 25 mm (36x) and 10 mm (90x) eyepieces, a 2x Barlow and an erect-image diagonal. Kit weight about 9.2 lb (4.17 kg).
The LT 80AZ is the cleanest achromat in this guide. At f/11.25 its CA index is 3.6, so the Moon and planets show little false colour, and it uses the same StarSense phone app as the DX 102AZ. The 25 mm and 10 mm eyepieces give 36x and 90x, and the 2x Barlow in the box takes the 25 mm to 72x.
The limits are aperture and length. 80 mm shows Saturn’s rings and Jupiter’s belts but little finer detail, and the tube is about 90 cm long. At $249.95 it is the cheapest app-guided refractor here. Read our LT 80AZ review for a closer look.
Best 100mm refractor for day and night: Celestron Inspire 100AZ
Best 100mm refractor for day and night
Best for: Families who want one 100 mm refractor for birds by day and the Moon by night
Not a fit for your answers
- Aperture
- 100 mm
- Focal length
- 660 mm (f/6.6)
- Glass
- Achromat
- In the box
- Complete kit
- Mount
- Alt-az
- Finding
- Manual
- Weight
- 5.6 kg (kit)
- Best for
- Night sky, Daytime
- Price tier
- $250 to $499
Magnification: 26x to 165x useful range with common eyepieces.
Pros
- 100 mm aperture and a short tube for the price
- Erect-image diagonal and phone adapter in the box
- No power or app needed
Cons
- Violet halo on bright planets at high power
- Tripod shakes above about 100x
- Red-dot finder only, so you aim it yourself
Ships with 20 mm (33x) and 10 mm (66x) eyepieces, an erect-image diagonal and a phone adapter. Kit weight 12.4 lb (5.62 kg).
The Inspire 100AZ puts 100 mm of aperture on a sturdy alt-az tripod for about $300 to $380. The erect-image diagonal and the f/6.6 ratio give a bright, upright daytime view, and the phone adapter in the box takes Moon photos. The 20 mm and 10 mm eyepieces give 33x and 66x.
It has no app, so you aim it with the red-dot finder. That suits families who mix birding with Moon nights more than beginners who want help finding faint targets. Expect the same violet halo as the DX 102AZ on bright planets.
Best GoTo refractor: Celestron NexStar 102SLT
Best GoTo refractor
Best for: Buyers who want a refractor that finds and tracks targets by itself
Not a fit for your answers
- Aperture
- 102 mm
- Focal length
- 660 mm (f/6.5)
- Glass
- Achromat
- In the box
- Complete kit
- Mount
- GoTo alt-az
- Finding
- GoTo motor
- Weight
- 6.4 kg (kit)
- Best for
- Night sky, Astrophotography
- Price tier
- $500 to $799
Magnification: 26x to 165x useful range with common eyepieces.
Pros
- GoTo finds and tracks targets
- 102 mm aperture
- Tracking holds planets steady for phone video
Cons
- Needs 8 AA batteries or 12V power and an alignment
- Some dealers list it as discontinued
- Violet halo on bright objects
Ships with 25 mm (26x) and 9 mm (73x) eyepieces. Kit weight about 14 lb (6.35 kg).
The NexStar 102SLT puts the same 102 mm f/6.5 lens as the DX 102AZ on a motorised single-arm mount. After a short alignment it points at any object in its database and tracks it, so a planet stays centred at high power while you change eyepieces or hand the scope to a child. The 25 mm and 9 mm eyepieces give 26x and 73x.
It needs 8 AA batteries or a 12V supply, and the alignment takes a few minutes each night. Some dealers list it as discontinued, so check stock before you plan around it. It is the only GoTo refractor in this guide.
Best ED doublet from a refractor specialist: Sky-Watcher Evostar 80EDX
Best ED doublet from a refractor specialist
Best for: Observers and imagers who want a well-built ED doublet from a refractor maker
Not a fit for your answers
- Aperture
- 80 mm
- Focal length
- 600 mm (f/7.5)
- Glass
- ED
- In the box
- Tube only
- Mount
- None (add your own)
- Finding
- Manual
- Weight
- 4 kg (tube only)
- Best for
- Night sky, Astrophotography
- Price tier
- $500 to $799
Tube only: add a mount and a diagonal.
Pros
- ED glass and a 2.8-inch dual-speed focuser
- Compact tube, about 4 kg
- Suits visual use and imaging
Cons
- Tube only: mount, diagonal and eyepiece are extra
- Nearly twice the SV503 80ED for the same aperture
- Limited edition, so stock can run out
Tube weight about 4 kg from retailer specifications; one retailer quotes 3.31 kg. Focal length 600 mm. Includes rings, a dew shield and a 1.25-inch adapter.
Sky-Watcher has built Evostar ED doublets for years, and the 80EDX is its current 80 mm f/7.5 model at about $750. It gives the same aperture as the SV503 80ED with a 2.8-inch dual-speed focuser built to carry a camera, plus rings and a dew shield. The tube weighs about 4 kg.
It costs nearly twice the SV503 80ED for the same aperture, and Sky-Watcher USA sells it as a limited edition. Choose it for the build and the focuser, not for a sharper view.
Best large ED tube for the money: SVBONY SV503 102ED
Best large ED tube for the money
Best for: Buyers who want the most ED aperture for the money
Not a fit for your answers
- Aperture
- 102 mm
- Focal length
- 714 mm (f/7)
- Glass
- ED
- In the box
- Tube only
- Mount
- None (add your own)
- Finding
- Manual
- Weight
- 5.5 kg (tube only)
- Best for
- Night sky, Astrophotography
- Price tier
- $500 to $799
Tube only: add a mount and a diagonal.
Pros
- 102 mm of ED aperture
- Dual-speed focuser
- Wide enough for imaging at f/7
Cons
- Tube only: needs a mount rated well above 5.5 kg
- Price swings from about $525 to $730
- Needs an erect-image diagonal for daytime use
Svbony lists the tube with rings at 5.5 kg. Focal length 714 mm (102 mm at f/7).
The SV503 102ED is the 4-inch version of the 80ED. It gathers 60 percent more light, splits closer double stars and shows Jupiter’s belts and Saturn’s Cassini division with little false colour. The 714 mm focal length reaches 100x with a 7 mm eyepiece.
Its price moves between about $525 and $730, so watch for the low end. At 5.5 kg with rings it needs a solid mount, and the SV225 at 10 kg capacity is the minimum to pair it with.
Best budget tube for wide fields: SVBONY SV48P 90mm
Best budget achromat tube for wide-field and astrophotography
Best for: Budget buyers who want a short wide-field tube for the sky or a camera
Not a fit for your answers
- Aperture
- 90 mm
- Focal length
- 495 mm (f/5.5)
- Glass
- Achromat
- In the box
- Tube only
- Mount
- None (add your own)
- Finding
- Manual
- Weight
- 2.7 kg (tube only)
- Best for
- Night sky, Daytime, Astrophotography
- Price tier
- Under $250
Tube only: add a mount and a diagonal.
Pros
- 90 mm of aperture for about $230
- Short, light tube with a wide field
- Dual-speed focuser
Cons
- Strong violet halo on the Moon and bright planets
- Tube only: mount, diagonal and eyepiece are extra
- No erect-image diagonal
Net weight 2.73 kg (Svbony); one listing says 2.48 kg. Focal length 495 mm (90 mm at f/5.5).
The SV48P is a 90 mm f/5.5 achromat tube for about $230. Its 495 mm focal length gives a field wide enough for the whole Pleiades cluster, long stretches of the Milky Way and a full lunar disc with room around it. It also makes a light spotting scope with an erect-image diagonal.
At f/5.5 its CA index is 1.6, so bright objects show a clear violet halo. Buy it for wide views and first experiments with a camera, and add a mount, a diagonal and an eyepiece.
Best cheap refractor for daytime and travel: Celestron Travel Scope 80
Best cheap refractor for daytime and travel
Best for: Travellers and birders who want a light, cheap refractor
Not a fit for your answers
- Aperture
- 80 mm
- Focal length
- 400 mm (f/5)
- Glass
- Achromat
- In the box
- Complete kit
- Mount
- Alt-az
- Finding
- Manual
- Weight
- 1.9 kg (kit)
- Best for
- Night sky, Daytime
- Price tier
- Under $250
Magnification: 16x to 100x useful range with common eyepieces.
Pros
- 1.9 kg and packs into the included backpack
- Erect-image diagonal and phone adapter in the box
- Lowest price in the guide
Cons
- f/5 achromat: violet halo on the Moon and Jupiter
- Light tripod shakes at high power
- Tops out near 100x
Ships with 20 mm (20x) and 10 mm (40x) eyepieces. Kit weight about 1.9 kg. Focal length 400 mm.
The Travel Scope 80 is an 80 mm f/5 refractor that packs with its tripod into the included backpack and weighs about 1.9 kg. At about $130 to $150 it is the cheapest pick here. The erect-image diagonal and short tube make it a good spotting scope for birds and landscapes, and it shows lunar craters and Jupiter’s moons at night.
The 400 mm focal length tops out near 100x, the light tripod shakes at that power and the f/5 lens shows false colour on bright objects. For lighter options see our travel and portable telescope guide.
Best triplet ED tube for visual and imaging: Explore Scientific ED102
Best triplet ED tube for visual and imaging
Best for: Buyers who want one triplet refractor for sharp visual use and imaging
Not a fit for your answers
- Aperture
- 102 mm
- Focal length
- 714 mm (f/7)
- Glass
- ED
- In the box
- Tube only
- Mount
- None (add your own)
- Finding
- Manual
- Weight
- 4.9 kg (tube only)
- Best for
- Night sky, Astrophotography
- Price tier
- $500 to $799
Tube only: add a mount and a diagonal.
Pros
- Triplet ED design: the least colour error here
- 102 mm f/7 suits visual use and imaging
- Solid tube and focuser
Cons
- Tube only: mount, diagonal and eyepiece are extra
- About $700 to $755 on sale, $1,000 or more at list
- 4.9 kg tube needs a solid mount
Tube weight 10.9 lb (4.94 kg) per Explore Scientific. Focal length 714 mm.
The ED102 is a 102 mm f/7 air-spaced triplet with an ED element, the only triplet and the best colour correction in this guide. Bright planets and the Moon’s edge show no visible halo, and stars stay round and colour-free across a camera sensor. It weighs 4.9 kg.
It sells for about $700 to $755 on sale and $1,000 or more at list, so it is a step past a first telescope for most buyers. Choose it if you want one refractor that does visual work and imaging for years.
Refractor telescope comparison
This table sets the ten refractors side by side. Scroll sideways on a phone.
| Refractor | Pick | Aperture | Focal length | f/ | Glass | In the box | Mount | Finding | Weight | Magnification | Best for | Price tier | Price |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| StarSense Explorer DX 102AZ Review | Best refractor for beginners overall | 102 mm | 660 mm | f/6.5 | Achromat | Complete kit | Alt-az | App-guided | 6.4 kg (kit) | 26x to 165x | Night sky, Daytime | $250 to $499 | Check price on Amazon |
| SVBONY SV503 80ED Review | Best entry-level ED refractor | 80 mm | 560 mm | f/7 | ED | Tube only | None (add your own) | Manual | 3.7 kg (tube only) | Add a mount and a diagonal | Night sky, Astrophotography | $250 to $499 | Check price on Amazon |
| StarSense Explorer LT 80AZ Review | Best app-guided refractor under $300 | 80 mm | 900 mm | f/11.3 | Achromat | Complete kit | Alt-az | App-guided | 4.2 kg (kit) | 36x to 160x | Night sky, Daytime | Under $250 | Check price on Amazon |
| Inspire 100AZ Review | Best 100mm refractor for day and night | 100 mm | 660 mm | f/6.6 | Achromat | Complete kit | Alt-az | Manual | 5.6 kg (kit) | 26x to 165x | Night sky, Daytime | $250 to $499 | Check price on Amazon |
| NexStar 102SLT Review | Best GoTo refractor | 102 mm | 660 mm | f/6.5 | Achromat | Complete kit | GoTo alt-az | GoTo motor | 6.4 kg (kit) | 26x to 165x | Night sky, Astrophotography | $500 to $799 | Check price on Amazon |
| Sky-Watcher Evostar 80EDX Review | Best ED doublet from a refractor specialist | 80 mm | 600 mm | f/7.5 | ED | Tube only | None (add your own) | Manual | 4 kg (tube only) | Add a mount and a diagonal | Night sky, Astrophotography | $500 to $799 | Check price on Amazon |
| SVBONY SV503 102ED Review | Best large ED tube for the money | 102 mm | 714 mm | f/7 | ED | Tube only | None (add your own) | Manual | 5.5 kg (tube only) | Add a mount and a diagonal | Night sky, Astrophotography | $500 to $799 | Check price on Amazon |
| SVBONY SV48P 90mm Review | Best budget achromat tube for wide-field and astrophotography | 90 mm | 495 mm | f/5.5 | Achromat | Tube only | None (add your own) | Manual | 2.7 kg (tube only) | Add a mount and a diagonal | Night sky, Daytime, Astrophotography | Under $250 | Check price on Amazon |
| Travel Scope 80 Review | Best cheap refractor for daytime and travel | 80 mm | 400 mm | f/5 | Achromat | Complete kit | Alt-az | Manual | 1.9 kg (kit) | 16x to 100x | Night sky, Daytime | Under $250 | Check price on Amazon |
| Explore Scientific ED102 Triplet Review | Best triplet ED tube for visual and imaging | 102 mm | 714 mm | f/7 | ED | Tube only | None (add your own) | Manual | 4.9 kg (tube only) | Add a mount and a diagonal | Night sky, Astrophotography | $500 to $799 | Check price on Amazon |
Accessories for refractors
The tube-only picks need a mount, a tripod, a diagonal and an eyepiece. The kits benefit most from a better diagonal and a zoom eyepiece.
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Celestron 1.25" Twist-Lock Dielectric Star Diagonal for Refractors & SCTs
Brighter, sharper diagonal for the OTA-only ED tubes, and an upgrade over the one in the box. Links to /star-diagonals/.
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SVBONY SV188P Telescope Diagonal 1.25" 90 Degree Mirror Diagonal 99% Reflectivity
Budget dielectric diagonal for the tube-only refractors (SV503, SV48P, Evostar).
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Celestron 1.25" 45 Degree Erect Image Diagonal
Upright, correctly oriented image for daytime viewing through any 1.25 inch refractor. ALIVE_US_ONLY (Mexico export message). Named BUYABLE fallback: Astromania 1.25" 45 degree erecting prism B073QNSV3X.
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SVBONY SV225 Alt-Azimuth Mount, Load-Bearing 10kg, Adjustable Angle Mount
Mount head for the tube-only ED refractors (hollow CNC alt-az with fine adjustment, 2.34 kg).
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SVBONY SV225T Telescope Tripod, Extendable Aluminum Astronomical Tripod
Tripod that goes under the SV225 mount (3/8 inch rod). Sold separately; the bundle listings showed UNKNOWN.
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SVBONY SV135 Telescope Eyepiece, 40-60 Degree Field of View, 7-21mm Zoom Eyepiece
One eyepiece for the tube-only scopes, which ship with none.
Which refractor should you buy?
Match the refractor to the way you will use it.
- Most beginners: the StarSense Explorer DX 102AZ.
- The cleanest views under $250: the StarSense Explorer LT 80AZ.
- Day and night use without an app: the Inspire 100AZ.
- GoTo and tracking: the NexStar 102SLT.
- ED glass for the least money: the SV503 80ED.
- The most ED aperture: the SV503 102ED, or the ED102 triplet for the best colour correction.
- A wide-field tube on a budget: the SV48P 90mm.
- Travel and birding: the Travel Scope 80.
For more aperture per dollar on the Moon and planets, see the best telescopes for viewing planets. For the lowest prices across every design, see our budget telescope guide. To compare refractors with reflectors and other designs by who, where and budget, use the Telescope Finder.
FAQ
What is the best refractor telescope for beginners?
The Celestron StarSense Explorer DX 102AZ is the best refractor for most beginners: a 102 mm f/6.5 kit with a tripod, two eyepieces, an erect-image diagonal and a phone app that guides you to each target. Under $250, the StarSense Explorer LT 80AZ shows the least false colour. For ED glass, the SVBONY SV503 80ED is the cheapest tube from a known brand.
Is a refractor or a reflector better for a beginner?
A refractor is easier: it needs no collimation, cools in about 10 minutes and works by day with an erect-image diagonal. A reflector gives more aperture for the money, so a 130 mm reflector shows more galaxies and nebulae than a 102 mm refractor at a similar price. Choose a refractor for ease and daytime use, a reflector for deep-sky objects.
Is an ED refractor worth it for a beginner?
Only if false colour would bother you or you plan astrophotography. An ED refractor removes the violet halo achromats show on the Moon, Jupiter and bright stars, but most ED tubes ship without a mount, diagonal or eyepiece. A 102 mm achromat kit costs about $490 complete, while a 102 mm ED tube costs $525 or more before a mount.
What is the difference between an achromat and an apochromat?
An achromat brings red and blue light to one focus but leaves violet slightly out of focus, which shows as a purple halo on bright objects. An apochromat uses ED glass, often in three elements, to bring all three colours to nearly the same focus, so bright objects show little or no false colour. It costs more for the same aperture.
Can you use a refractor telescope in the daytime?
Yes, with an erect-image diagonal, which shows the scene upright and the right way round. The DX 102AZ, Inspire 100AZ and Travel Scope 80 include one. A standard star diagonal shows the view reversed left to right. Use 20x to 50x by day, and never point a telescope at the Sun without a certified solar filter.
What can you see with an 80mm or 100mm refractor?
An 80 mm refractor shows lunar craters, Jupiter's two main belts and four moons, Saturn's rings, the phases of Venus and bright star clusters. A 100 mm refractor gathers 1.6 times the light. It adds sharper planet detail, more stars in clusters and the brighter galaxies and nebulae as faint grey glows.
Do refractor telescopes need collimation?
No. A refractor's lens is fixed in a sealed cell at the factory, so it needs no collimation in normal use. Reflectors and Dobsonians need their mirrors realigned from time to time, which is one reason refractors suit beginners who want to set up and observe in minutes.
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