Coma is a common optical aberration found in fast reflectors and causes star images at the edge of the field to elongate into a...
The Vixen 2.5mm Lanthanum Series 1.25" Eyepiece features comfortable long 20mm eye-relief, simple twist-up eyecups for adjusting...
The Vixen 5mm Lanthanum Series 1.25" Eyepiece features comfortable long 20mm eye-relief, simple twist-up eyecups for adjusting the...
Vixen Lanthanum Superwides ..The most pleasant surprise is that they show sharp, contrasty views across nearly the entire field...
This Focal Reducer takes the standard 1800mm (f/9) focal length down to 1278mm (f/6.4). Increasing the field of view and...
Easy to use equatorial mount for serious astronomers Precision equatorial mount for observation and astrophotography Simple yet...
Vixen Telescope Accessories Porta II Telescope Mount 5863. The Porta II from Vixen is a solid altimazimuth mount with a 20lb...
The Vixen NLV Series Eyepieces feature comfortable long 20mm eye-relief, simple twist-up eyecups for adjusting the best eye-point...