Celestron 21063 Telescope
- Telescope
- 90 mm
- Manual Focus
- 5.58 pounds
- More reviewed than 93%
A 90mm manual focus telescope at 5.58 pounds, sized for tabletop or tripod viewing, with no attached reviews to confirm included accessories or optical quality.
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How it ranks among the 15 telescopes we track
4.2★ across 417 Amazon ratings, Bayesian-smoothed toward the category average.
417 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 15 telescopes we track - how the scorecard works · full telescopes data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Celestron 21063 is a 90mm telescope with manual focus, standing roughly 34 x 30 x 52 inches assembled and weighing 5.58 pounds. The 90mm aperture puts it in Celestron's beginner to intermediate refractor range.
Confirmed specs are a 90mm objective lens, manual focus, and overall dimensions of about 34 x 30 x 52 inches at 5.58 pounds. No seller description or customer reviews are attached to this listing to confirm mount type, included eyepieces or accessories.
- 90mm objective lens
- Manual focus
- About 5.58 lb
- Celestron brand, model 21063
Who it's for
Newcomers to astronomy wanting a 90mm refractor to view the moon, planets and brighter deep sky objects, rather than experienced observers seeking a larger aperture reflector.
Strengths and trade-offs
Drawn from this product's published specifications.
- 90mm aperture suits moon and planet viewing
- Manual focus keeps the design simple
- Smaller aperture limits deep-sky detail
- No seller description or reviews on file
Performance notes
A 90mm objective lens gathers enough light to resolve lunar craters, Saturn's rings and Jupiter's larger moons under reasonably dark skies, though fainter deep sky objects will stay dim compared to larger apertures. Manual focus requires turning a knob to dial in sharpness rather than relying on any motorized adjustment.
Specifications
| Brand | Celestron |
|---|---|
| Model | 21063 |
| Objective Lens | 90 mm |
| Focus Type | Manual Focus |
| Weight | 5.58 pounds |
| Dimensions | 34 × 30 × 52 inches |
How it compares
This product against the closest alternatives we track in telescopes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Celestron 21063 TelescopeThis product | 4.2 / 5 | 417 | 3.6 / 5 |
| Svbony CAF9359E TelescopeSvbony | 4.6 / 5 | 346 | 3.7 / 5 |
| ZWO Seestar S30 TelescopeZWO | 4.6 / 5 | 134 | 3.6 / 5 |
| Amazon Basics BT1818Amazon Basics | 4.2 / 5 | 192 | 3.5 / 5 |
| HSL 203EQ-white TelescopeHSL | 4.2 / 5 | 127 | 3.4 / 5 |
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Questions about the Celestron 21063
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the aperture of the Celestron 21063 telescope?
90mm.
Is the Celestron 21063 motorized or manual focus?
Manual focus.
How much does the Celestron 21063 weigh?
About 5.58 pounds.