Celestron
Celestron AstroMaster LT 70AZ Telescope
Best price $199 · 70mm aperture · $/mm 2.84
$199 on Amazon ↗At $2.84 per mm of aperture, this is priced about in line with other refractor telescopes, which average $2.94/mm.
Specs
| Aperture | 70 mm |
|---|---|
| Focal length | 700 mm |
| Focal ratio | f/10.0 |
| Type | Refractor |
| Mount | Alt-Az |
| Resolving power | 1.66″ (Dawes limit) |
| Limiting magnitude | 11.7 |
| Max useful magnification | 140x |
| Light gathering | 100x the naked eye |
| Optical design | Doublet Refractor |
| Warranty | 2 Year Warranty |
| Best for | Beginner, Visual, Planetary |
Resolving power, limiting magnitude, maximum useful magnification and light grasp are derived from the aperture — the standard formulas, not marketing claims.
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