Celestron Luminos 23mm Premium 2" Eyepiece - 93434 type-binoculars-and-monoculars is the Permanent Periodic Error

is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors

A fixed position primary mirror eliminates image shift that occurs when focusing with other telescope designs

Celestron offers a free Focuser Utility program for computerized control of this motor

Vixen Porro Prism Binocular SZL 8X40 ZWCF

AC Adapter

Celestron Luminos 23mm Premium 2" Eyepiece - 93434 type-binoculars-and-monoculars is the Permanent Periodic ErrorAbout the Celestron 23mm Luminos 2" Eyepiece 23mm Focal Length 82 Field of View 2" Diameter Barrel Fully Multi Coated Optics Parfocal with All Luminos Eyepieces Slip Resistant Rubber Grip Anodized Aluminum Barrels Retractable Eyecup This is the ultimate wide field eyepiece with great images and moderate magnification. The Luminos series eyepieces offer a wide 82 field of view in both high power and low power models, allowing you to make the most of