Discontinued product, difficult to obtain!!! Brand new, unused♪ Photography adapter for attaching to the eyepiece of a telescope Sky Explorer Photography Adapter For compact cameras It uses the camera tripod mounting screw for fixing, so it can be attached to various compact cameras with a tripod mounting screw hole. It is very convenient because you can quickly switch to visual observation without removing the camera from the adapter each time. ●Size: Max. W180 x H120 x D165mm Min. W145 x H120 x D165mm ●Weight: 215g [Compatible telescopes or field scopes] Those with an eyepiece outer diameter in the range of approximately 36-60mm