Celestron Micro Guided Eyepiece 1-1/4

Celestron Micro guided eyepiece 1-1/4.

This multi-function guiding eyepiece features a laser-etched reticle with a built-in battery illuminator. The eyepiece is a multicoated 12.5mm Abbe (4-element) Orthoscopic. Is totally free of internal reflections and offers sufficient eye-relief to the reticle to be viewed easily, even with eyeglasses. It's finely etched micrometer scale has gradations 50 microns apart and 15 microns wide. The eyepiece includes a built-in cordless illuminator with adjustable brightness control, batteries and instructions. The apparent field of view is 42°. 

Usage possibilities include:

• Direct guiding on stars outside the center of the field of view
• Greatly improved off-axis guiding to capture much fainter, sharply focused guide stars without reducing limiting magnitude
• Measuring positioning angles and separation of double stars

Please enquire when stock is indicated as zero.