Parfocalizing rings, 1.25 & 2"
Aluminum rings with two stainless steel setscrews mount on the barrel
of eyepieces, cameras, etc. to set the focus point. Rings are only 0.150"
thick to allow close fit to eyepiece body. Packages of two rings, allen
wrench and spare screw included.
Prices include shipping in the USA!
Filter Thread Eyepiece Barrel Extensions are here!