Skip to main content

Telescope · Achromat Refractor

Telescope for Adults High Powered

60Good

A 90mm f/11 refractor that punches above its price point for lunar and planetary observers

(147 reviews)
Alt-Az

Price updated Apr 18, 2026

Performance Scores

Value
75
Beginner
42
Astrophoto
23
Portability
59
Planetary
41
Deep Sky
30

Overview

At 90mm aperture and 1000mm focal length, this refractor is built for high-magnification viewing of the moon and planets rather than wide-field deep-sky work. The f/11 focal ratio means it plays well with basic eyepieces, delivering sharp, high-contrast views without the chromatic aberration that plagues faster, cheaper refractors. Realistically, you can expect detailed views of lunar craters, Saturn's rings, Jupiter's cloud bands, and Mars during opposition.

Deep-sky objects like galaxies and nebulae are possible but will appear faint and small given the narrow field of view. The alt-azimuth mount is straightforward to use, which suits beginners well, though it does not track objects as they move across the sky. The included 5x24 finderscope is modest but functional for star-hopping to targets.

At 6.79kg, the whole setup is portable enough for backyard sessions or transport to a darker site. The phone adapter is a genuine convenience for sharing lunar images, though serious astrophotography is not this telescope's strength. For a beginner or casual observer wanting a capable, honest planetary scope under $200, this is a solid, well-considered option.

At a Glance

90mm

Aperture

f/11.11

Focal Ratio

6.79kg

Weight

1000mm

Focal Length

Specifications

Aperture90mm
Focal Length1000mm
Focal Ratiof/11.11
Mount TypeAlt-Az
GoToNo
TrackingNo
Weight6.79 kg
Smart TelescopeNo
Finder5x24 optical finder

Key Features

  • 90mm aperture gathers enough light for clear views of lunar surface detail, Saturn's rings, and Jupiter's moons
  • Long 1000mm focal length at f/11 produces high contrast and sharp planetary images with minimal color fringing
  • Multi-coated optics improve light transmission, which matters for resolving fine planetary detail
  • Alt-azimuth mount is simple and intuitive for beginners, though manual tracking requires frequent small adjustments
  • Included phone adapter allows easy lunar photography using your existing smartphone
  • 5x24 finderscope provides a workable starting point for locating brighter objects and star-hopping
  • Adjustable tripod height and manageable 6.79kg weight make this practical for both adults and younger observers

Recommended Eyepieces

Analyze full eyepiece coverage in Performance Calculator

Customer Reviews

4.2

147 reviews

5
63%
4
15%
3
10%
2
4%
1
8%
A fine instrument

My first purchase was the beginner model. It came with a flaw (determined) in the optics. I contacted Celticbird (Anna) and she gave me some nice options. I purchased model 901000 adult model, receiving refund for the beginner model. Communication with them was prompt. About the tripod, it is heavy ...

john3601·Apr 1, 2026·Verified
Absolutely stunning

The media could not be loaded. To say this telescope is awesome is saying it lightly. This thing is absolutely awesome. I've never seen the moon like this before. Its very cold outside but couldn't wait to finally get a good shot of the moon. Its easy to operate and locate the moon. Its an awesome v...

Brandon R·Jan 4, 2025·Verified
Good quality & affordable telescope!

Why did you pick this product vs others?: This product was more affordable, has good quality imagery (especially if you buy the extra lenses and different scope add ons), and it is amazingly efficient and effective to use! I've loved using this product and hope to see more planets in more detail wit...

J. McCabe·Jul 14, 2025·Verified
See all reviews on Amazon →

Compare Telescope for Adults