Telescopes / 800mm focal length
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800mm Telescopes

Checked 2026-10-24

Longer tubes designed for higher magnification and planetary detail 16 telescopes · 10 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 800mm Telescopes

# Item Level House Notes See listing
1 Portable Refractor Telescope with 90mm Aperture 8.9 Dianfan Portable Refractor Telescope with 90mm Aperture $170 Dianfan For adults · For beginners · Refractor
$170 See listing
2 High powered 90mm refractor 800mm length 9.2 MEEZAA High powered 90mm refractor 800mm length $170 MEEZAA For adults · For beginners · Refractor
$170 See listing
3 Refractor telescope 80mm with carry bag 8.4 Celticbird Refractor telescope 80mm with carry bag $140 Celticbird For adults · For beginners · Refractor
$140 See listing
4 Long Tube 90mm Refractor with 800mm Focal Length 8.7 HUGERSTAR Long Tube 90mm Refractor with 800mm Focal Length $150 HUGERSTAR For adults · Refractor · For moon viewing
$150 See listing
5 90mm refractor with finderscope SVBONY 90mm refractor with finderscope $249 SVBONY Red · For adults · For beginners
$249 See listing
6 203EQ 800mm reflector with barlow and filters 7.8 HSL 203EQ 800mm reflector with barlow and filters $700 HSL For adults · For beginners · Reflector
$700 See listing
7 Altazimuth refractor telescope with red dot finder 7.3 Tas Altazimuth refractor telescope with red dot finder $158 Tas Black · Refractor · Tripod included
$158 See listing
8 Refractor telescope with 90mm aperture 7.5 YENGUAN Refractor telescope with 90mm aperture $119 YENGUAN For adults · Refractor · For kids
$119 See listing
9 Portable 90mm aperture refractor for beginners Aurosports Portable 90mm aperture refractor for beginners $77.75 Aurosports For adults · For beginners · Refractor
$77.75 See listing
10 High power refractor with 90mm aperture Uonol High power refractor with 90mm aperture $120 Uonol For adults · Refractor · 90mm aperture
$120 See listing
Before you buy

800mm telescope questions

What can you see with an 800mm focal length telescope?

The moon, Saturn’s rings, Jupiter’s cloud bands, and brighter deep-sky objects like the Orion Nebula are within reach. The exact detail depends on aperture and sky conditions. An 800mm tube gives enough magnification for planetary work without being unwieldy.

Is 800mm focal length good for astrophotography?

It can be, especially with the phone adapters included in several samples. The longer focal length magnifies tracking errors, so a steady mount matters more than with a short tube. For casual moon and planet shots, an 800mm refractor with a phone mount is a practical starting point.

What is the difference between 800mm refractor and 800mm reflector?

A refractor uses lenses to focus light and is sealed against dust and misalignment, which suits beginners. A reflector uses mirrors and typically offers more aperture for the same focal length, gathering more light for faint objects. The 203mm reflector sample at 800mm is built for that deeper reach.

Does an 800mm telescope need a special mount?

Yes, the longer tube needs a stable mount to be usable at higher magnifications. The samples come with AZ mounts and tripods matched to the scope’s size. A flimsy mount will make the image shake, so the bundled tripod is part of the package for a reason.

What an 800mm focal length delivers

Because the tube is longer, these scopes are usually mounted rather than handheld. The refractor samples come with AZ mounts and stainless steel tripods, and some include a carry bag for transport. A 203mm reflector at 800mm focal length is a different animal entirely, built for deeper light gathering and often bundled with color filters and a Barlow lens.

How 800mm scopes are built

The 800mm refractors in the samples use 80mm or 90mm apertures with HD optics and phone adapters for capturing images through the eyepiece. They ship with AZ mounts, eyepieces, and Barlow lenses, and some bundles add a variable polarizing filter or a dielectric mirror star diagonal. Bodies are typically red or black, and the overall kit is aimed at adults getting their first serious telescope.

Related
For adults Refractor 90mm aperture For beginners Tripod included For moon viewing With phone adapter Portable