Click to see what owners say about the Tele Vue-101, now superseded by Tele Vue-NP101.
"This is one telescope that can do it all" .......unsurpassed optics, with a flat field for ultimate wide angle views and wide-field astrophotos." -review in Sky and Telescope
New Tele Vue-NP101
--- SPECIFICATIONS --- | |
Telescope type | 4-element apochromat refractor using special dispersion glasses |
Clear aperture | 101mm (4 inches) |
Aperture gain | 208 (compared to a 7mm exit pupil) |
Focal length | 540mm (21.3 inches) |
Focal ratio | f/5.4 |
Resolution (visual) | 1.1 arc-sec (Dawes limit for a 4" aperture) |
Resolution (photo) | 260 line pairs per mm |
Field (35mm film) | 2.5 degrees by 3.8 degrees (4.5 degrees diagonal) |
Image scale | 2.7 degrees per inch |
Magnification | 10x to over 250x using Tele Vue eyepieces and Barlows |
Star diagonal | 2 inch, "everbrite" mirror type, with 1-1/4" inch adapter, both with brass clamp rings. |
Focuser | 2 inch, rack and pinion type with brass clamp ring. |
Finder | Optional Starbeam or 55mm Plossl for 10x, 4.9 degree field |
Mounting | Adjustable mounting ring with 1/4-20 tapped holes for standard (heavy-duty) photographic tripods or optional Tele Vue mounting systems |
Weight | 10 lbs. O.T.A. |
Length | 29", 26" O.T.A. |
Accessories | Included as standard: custom-fitted case, screw-on lens cover, sliding dew/glare shield, 2" everbrite, 1 1/4" adapter. |
Tube color | Ivory color powder-coated aluminum tube, black anodized lens housing, focuser assembly and mounting ring. |
** Specifications subject to change without notice ** |