The eyepiece has high definition, which can increase the ratio of the combination with the telescope. The foldable eye mask is suitable for wearing glasses.

Focal length: 4mm
Size: standard 1.25 inches/31.7 mm universal
Coating: optical lens, fully coated, high-definition
Application: viewing landscapes, observing bright objects, nebulae, etc.

Package included:
1 x 4mm Eyepiece