Vixen Type Dovetail 200mm Telescope Mount for DSLR. Condition is "New". Shipped with USPS First Class.150mm long adjustment slot .DSLR, strong light weight 3d designed and 3d printed by Spencer-3D. Other types and models or sizes alsi available. I make lots of custom parts if need a particular part. I make tons of telescope lense masks and Bahtinov masks. Or Camera DSLR parts and accessories. Fast shipping!