Current Price: $12.00
Buy It Now Price: $20.00
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I bought this, thinking I was going to do a bunch of astrophotography, but used it once and no longer own a telescope 🙁
Basically brand new.  I used it once and it has sat in a box ever since.  No box, but I do have the instructions.
If you don't know what it is for, it is used to align the optics in a telescope, usually for a newtonian or dobsonian type reflector.

Filed under: Eyepieces & Accessories