SVBONY 12.5mm modified achromatic eyepiece is ideal for measuring double star angular separations;position angles;planetary diameters;lunar crater diameters

This illuminated eyepiece also features double crossline reticle;it's ideal for accurate polar positioning and long-exposure photo-guiding when using with off-axis guiders for centering and guiding of stars

Dual crosshair and integral brightness level control
Crosshair with adjustable brightness that's ideal for long-exposure photo-guiding

Integrated dioptric correction
Notice deviation of the positioning easily;so that guide star and reticle appear in ideal sharpness and definition

Works great for finding objects
Helps locate and center stars well;also fits for guiding astrophotos when used in off-axis guiders or guide scopes

Fully coated anti reflection coatings
Fully coated optical lens with highly achromatic for minimizes internal reflection and maximizes contrast

Compact size and all metal construction

Comes with eyepiece caps-proect the eyepiece from dust and moisture

3 pieces1.5V alkaline batteries included

Good image quality;good brightness control and reticle focus

Specification
Brand: SVBONY
Type: illuminated eyepiece
Eyepiece port: 1.25"
Focal Length: 12.5mm
FOV: 40 degree
Coating: fully-coated anti-reflection coatings
Reticle: double crosshair
Power: three 1.5V alkaline batteries

Package includes
1 x SVBONY 1.25"12.5mm illuminated eyepiece
1 x LED illuminator
1 x Three 1.5V battery
1 x Two rubber eyepiece caps