Askar 52mm Super ED Guide Scope - Black - 5248EDGS-BLK CS Lens The housing is also filled

The housing is also filled with dry nitrogen gas to prevent the internal lenses from fogging when moving between extreme temperatures or when using the binocular in damp conditions

#6111 6" RC OTA only w/2" dual speed Crayford focuser

Celestron Echelon Binoculars come with a high quality waterproof hard case for ultimate protection against dust

The guide sensor is the Type 1/1

Askar 52mm Super ED Guide Scope - Black - 5248EDGS-BLK CS Lens The housing is also filledThe Askar 52mm f 4. 8 Super ED Guide Scope is a doublet that uses one piece of ED (extra low dispersion) glass in the optics to improve imaging quality, guiding accuracy, and color rendition. This high quality guide scope accepts either 1. 25" or M42 imaging cameras or can be set up with optional accessories as a more traditional visual guide scope or finder with a diagonal and eyepiece on the back. This Super ED Guide Scope comes in black or silver