A quality super plossl eyepiece with full multi-layer coating. Can be used as a normal eyepiece or to use for eyepiece projection photography it has an external extendable sheath with a removable cap. This reveals a T2-thread (42mm) suitable for connecting to your camera's T- ring.
Focal Length = 42mm
Barrel Size = 2"
Apparent FOV = 65°
Eye Relief = 30mm
Group: = 5-elements
Filter Thread = Internal thread suitable for 2" filters
Camera Thread = M57 x 0.75