Spotting scope camera adapter 

compatible with Nikon

The photography sleeve of the M42x0.75mm t-ring adapter fits spotting scope

 with 42mm diameter eyepiece and the tube length of eyepiece is 2.76 inch/7cm

Both sides of the sleeve are hollow and do not affect the adjustment of the focusing handwheel of spotting scope;

Thread T-adapter into T-ring adapter then thread the whole mount adapter into camera to connect to spotting scope

High quality aluminum makes the telescope mount adapter more durable.