Telescopes / 70mm aperture
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70mm Telescopes

Checked 2026-10-24

Popular travel-friendly size that balances portability with light-gathering power 31 telescopes · 26 brands

For adults For beginners For kids Refractor For moon viewing Portable Tripod included For travel Budget With phone adapter Altazimuth mounts 90mm aperture 80mm aperture Equatorial mounts Reflector 70mm aperture Professional For bird watching For deep sky For astrophotography 600mm focal length Black Smart Digital Dobsonian 800mm focal length Monocular 400mm focal length White 50mm aperture STEM learning Tabletop mounts Maksutov-Cassegrain 130mm aperture 60mm aperture 900mm focal length 114mm aperture 300mm focal length Blue Waterproof 700mm focal length Red Green

Best 70mm Telescopes

# Item Level House Notes See listing
1 Maksutov Cassegrain telescope with slow motion tripod 8.2 SARBLUE Maksutov Cassegrain telescope with slow motion tripod $180 SARBLUE For adults · For beginners · For kids
$180 See listing
2 Refractor telescope for moon and planet viewing 8.9 Celestron Refractor telescope for moon and planet viewing $170 Celestron For adults · For beginners · Refractor
$170 See listing
3 Portable 70mm travel refractor telescope for kids Koolpte Portable 70mm travel refractor telescope for kids $56.99 Koolpte Black · Refractor · For kids
$56.99 See listing
4 Silver 70mm portable refractor 400mm length 7.4 EACONN Silver 70mm portable refractor 400mm length $49.99 EACONN For adults · For beginners · Refractor
$49.99 See listing
5 SV503 70mm ED refractor telescope 7.1 SVBONY SV503 70mm ED refractor telescope $400 SVBONY Refractor
$400 See listing
6 Kids 70mm refractor with travel tripod 8.6 CSSEA Kids 70mm refractor with travel tripod $59.84 CSSEA For adults · Refractor · For kids
$59.84 See listing
7 Sky View 70mm refractor panhandle mount 6.9 Explore Scientific Sky View 70mm refractor panhandle mount $39.99 Explore Scientific For adults · Refractor · For kids
$39.99 See listing
8 Portable 70mm Maksutov Cassegrain with tripod 6.8 HOROX Portable 70mm Maksutov Cassegrain with tripod $130 HOROX For adults · Portable · Tripod included
$130 See listing
9 Travel refractor telescope 70mm aperture 8.1 AOMEKIE Travel refractor telescope 70mm aperture $49.99 AOMEKIE For adults · For beginners · Tripod included
$49.99 See listing
10 Beginner 70mm refractor with space puzzles China Beginner 70mm refractor with space puzzles $59.99 China For adults · For beginners · Refractor
$59.99 See listing
Before you buy

70mm telescope questions

What can I actually see with a 70mm telescope?

The Moon and its craters are the easiest target, and the samples describe moon and planet viewing. Bright planets like Jupiter and Saturn show as small disks with some detail at higher magnification. Deep-sky objects appear as faint smudges rather than resolved structures.

Is a 70mm refractor good for travel?

Yes, the short tube and light mount make it one of the most packable refractor sizes. Several kits in this form include a backpack for carrying the scope and accessories. It fits in a car trunk or overhead bin without much fuss.

What is the difference between a 360mm and a 400mm focal length at 70mm?

The 400mm tube gives a slightly narrower field of view and a bit more magnification with the same eyepiece. The 360mm tube is a touch shorter and wider, which helps with landscape viewing and finding targets. Both appear in the samples with similar altazimuth mounts.

Can kids use a 70mm telescope?

Yes, the samples are pitched at kids and adults beginners, and some kits include a space puzzle or remote control. The altazimuth mount is simple to point, and the adjustable tripod can be set low for shorter users. A phone adapter lets them capture what they see.

What a 70mm telescope is

A 70mm telescope is a refractor with a 70mm front lens, usually paired with a 360mm or 400mm focal length tube. The samples are complete travel kits: the scope, an altazimuth mount, a tripod, eyepieces, and often a backpack. A 70mm DX refractor kit and a 70mm beginner portable scope with backpack show the form at its most packable.

How it differs from an 80mm or 90mm refractor

The 70mm aperture is the smallest of the common refractor sizes, which keeps the tube short and the whole kit light enough to carry in a backpack. An 80mm or 90mm refractor gathers more light and resolves finer detail, but the tube is longer and the mount needs to be sturdier. For travel and quick looks, the 70mm wins on portability; for sustained lunar and planetary viewing, the larger apertures pull ahead.

Sizes, colors, and what ships with them

The tubes here are black, with focal lengths of 360mm and 400mm appearing in the samples. Magnification ranges run from about 15X to 150X depending on the eyepieces included. Kits typically bundle a K6 and K25 eyepiece, an adjustable tripod, a phone adapter, and sometimes a remote control or a space puzzle for younger users.

Who tends to pick this size

Buyers who want a scope that fits in a backpack and sets up in minutes gravitate to 70mm refractors. The samples are pitched at kids and adults beginners, with a 70AZ refractor described for moon and planet viewing. If you plan to observe from a fixed spot and want more detail, an 80mm or 90mm refractor is the step up.

Related
For adults For beginners Refractor Budget For moon viewing For kids Portable Tripod included