Used Tele Vue 12mm Nagler Type 2 RASA By using mirrors instead of

By using mirrors instead of optical lenses

so it doesn't require software control

the HCG mode is automatically turned on and the dynamic range reaches a level close to 12 bit

25" Warranty

this astrograph can produce an exposure 6x faster than the average 8-inch f/10 Schmidt Cassegrain telescope

Used Tele Vue 12mm Nagler Type 2 RASA By using mirrors instead ofCondition: This is a TeleVue 12mm Type 2 Nagler in excellent condition. The optics and body are clean. This has both dust caps, and comes in its original box. The first of the Type 2 Naglers, the 12 mm continues the tradition of optical excellence in the Nagler line. The Type 2 eyepieces contain 8 elements instead of 7, and do not suffer from the Kidney Bean Effect. However, some of the eye relief went away (check one out beforehand if you wear