Tele Vue
Tele Vue NP101is f/5.3 Petzval Refracting Telescope
Best price $4267 · 101mm aperture · $/mm 42.25
Buy on Amazon ↗At $42.25 per mm of aperture, this is dearer per millimetre than the typical refractor at $2.94/mm — you're paying for something other than raw aperture.
Specs
| Aperture | 101 mm |
|---|---|
| Focal length | 540 mm |
| Focal ratio | f/5.3 |
| Type | Refractor |
| Resolving power | 1.15″ (Dawes limit) |
| Limiting magnitude | 12.5 |
| Max useful magnification | 202x |
| Light gathering | 208x the naked eye |
| Dawes limit | 1.15 arcseconds |
| Tube length | 648mm |
| Tube weight | 10.7 lbs |
| Eyepiece fitting | 2" Nosepiece |
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 | $4267 |
Updated:
Compare
Celestron Advanced VX 6" Refractor Telescope
Celestron Omni XLT 102 Telescope
Sky-Watcher StarTravel 120 AZ3 f/5 Doublet Refracting Telescope
Closest alternatives by price in the same class. Head-to-head pages exist where people actually search for the comparison.