Telescopes / 300mm focal length
This group

300mm Telescopes

Checked 2026-10-24

Short-tube designs offering wide fields of view for star hopping 8 telescopes · 7 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 300mm Telescopes

# Item Level House Notes See listing
1 Electronic 80mm portable smart telescope FASHIONARI Electronic 80mm portable smart telescope $300 FASHIONARI For adults · Refractor · For moon viewing
$300 See listing
2 Portable 70mm refracting telescope with phone adapter Fuoibl Portable 70mm refracting telescope with phone adapter $59.99 Fuoibl For adults · For beginners · For kids
$59.99 See listing
3 Portable 70mm refractor with adjustable tripod 7.0 HITUTTXL Portable 70mm refractor with adjustable tripod $54.99 HITUTTXL For adults · For beginners · Refractor
$54.99 See listing
4 Portable refractor telescope with 70mm aperture Jvcla Portable refractor telescope with 70mm aperture $59.99 Jvcla For adults · For beginners · Refractor
$59.99 See listing
5 Refractor telescope with phone adapter and tripod ToyerBee Refractor telescope with phone adapter and tripod $89.99 ToyerBee For adults · For beginners · Refractor
$89.99 See listing
6 Portable refractor telescope with phone adapter 6.9 VJJB Portable refractor telescope with phone adapter $40.99 VJJB For adults · Refractor · Portable
$40.99 See listing
7 Professional Auto-Focus Digital Refractor Smart Telescope FASHIONARI Professional Auto-Focus Digital Refractor Smart Telescope $300 FASHIONARI 80mm aperture · Beginners · Digital
$300 See listing
8 Smart digital telescope with dual screens YOTOMIGUO Smart digital telescope with dual screens — YOTOMIGUO For adults · For beginners · For kids
— See listing
Before you buy

300mm telescope questions

What can I see with a 300mm focal length telescope?

The moon shows craters and maria, and bright stars and open clusters fit nicely in the wide field. Planets like Jupiter and Saturn appear small, so they are better as bright points than detailed disks.

Is a 300mm refractor good for beginners?

Yes, the short tube and sealed optics mean no collimation and a quick setup. The wide field makes it forgiving to aim, which helps when you are learning to find objects.

Do these scopes need a phone adapter?

Most refractor samples include a phone adapter for holding a phone over the eyepiece to capture the moon or bright objects. Digital electronic models use a built-in camera and screens instead, so no adapter is needed.

Can a 300mm telescope be used for astrophotography?

The short focal length is forgiving for wide-field shots of the moon and constellations, and a phone adapter handles basic snapshots. Digital electronic models capture images directly to a memory card with their built-in camera.

Short focal length, wide field

The magnification range commonly cited is 15X to 150X, which covers low-power sweeping up through moderate lunar and planetary views. Fully multi-coated optics show up across the refractor samples, which helps contrast on the moon and brighter stars. A phone adapter is standard on most, letting you hold a phone over the eyepiece for a quick snapshot.

Mounts, tripods, and what travels well

For a beginner who wants the moon and a few bright stars without fuss, the short focal length and light tube are the main appeal. If you want to resolve detail in planets or split double stars, the low magnification ceiling works against you. The wide field is the strength: it makes finding things easy and frames open clusters nicely.

Related
For adults For beginners Refractor With phone adapter 70mm aperture For kids For moon viewing Budget