Tele Vue 55.0 Plossl (EPL-55.0) Eyepiece Adapter better slewing and tracking under

better slewing and tracking under heavy loads

4 Image circle 50mm Lens 4 element air-spaced structure Outer diameter 88mm Back focus 55mm Length 105mm Coating full-surface multi-layer coatings Weight 0

Switch to a smooth 2" barrel with a T2TL Twist-lock

It can also be used for long exposure deep-sky photography when using a separate guidescope

Tele Vue 55.0 Plossl (EPL-55.0) Eyepiece Adapter better slewing and tracking underThe 55mm focal length has the largest true field possible for 2" eyepiece holders 3 times the true field area of any 1" eyepiece. The focal plane is placed at the end of the barrel to minimize vignetting. Performance with Schmidt Cassegrains is remarkable since it avoids the image degradation and severe vignetting which occurs when using telecompressors. Long eye relief and unique adjustable eyeguard for eyeglass wearers. Since we introduced our