Swarovski 1.7x magnification extender for btx or modular spotting scope

[257 STW]

Swarovski 1.7 magnification extender for modular spotting scope or btx this one is new unused I was on a waiting list for 2 only ended up using one as I found another one somewhere else while I was waiting for these to come in so I have a brand new in the box extra one $380