Explore Scientific
Explore Scientific FirstLight 80mm Refractor with Twilight Nano Mount
Best price $239 · 80mm aperture · $/mm 3.0
Buy on Amazon ↗At $3.0 per mm of aperture, this is priced about in line with other refractor telescopes, which average $2.94/mm.
Specs
| Aperture | 80 mm |
|---|---|
| Focal length | 640 mm |
| Focal ratio | f/8.0 |
| Type | Refractor |
| Mount | Alt-Az |
| Resolving power | 1.45″ (Dawes limit) |
| Limiting magnitude | 12.0 |
| Max useful magnification | 160x |
| Light gathering | 130x the naked eye |
| Optical design | Doublet Refractor |
| 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.
Prices
| Retailer | Price | |
|---|---|---|
| OPT | $239 |
Updated:
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