T-adapter(prime-focus adapter) and a fixed-length tube for eyepiece projection photography
A–male T-threads(M42*0.75) for t-ring attachment.
B–includes 1.25″filter thread.
C–fully internal extinction thread.
D–combined with eyepiece-projection(it holds 1.25″ eyepiece for image projection.)
and prime focus camera adpter(a standard 1.25″ prime focus T-adapter.).
E–material:aluminum ,anodized black
3.Inner packing:white paper cartoon.