365Astronomy Visual Back T2 to 1.25" with T2 Male and T2 Female Threads
365Astronomy Visual Back T2 to 1.25" with T2 male and T2 female threads with brass compression ring
It is practically a 1.25" eyepiece holder (also called visual back) that can be attached to (screwed onto) a male T-thread.
- T2 female (M42x0.75) thread on the telescope side
- 1.25" eyepiece holder barrel on the eyepiece side with brass compression ring and three locking screws with additional male T-thread
- Overall length: 31.5mm
- If additional accessory (i.e. camera) is attach to the top end viw the male T-thread, then the optical length could be as short as 26.5mm
- Black anodized
- Internal diameter: 31.7mm
With the help of the additional T-2 male thread you can attach T2 extension tubes and then use the adapter for eyepiece projection or you can attach a ZWO or similar camera.