M42*0.75mm thread is divided into inner- and outer- double-layer structure. The camera angle can be adjusted conveniently by fixing the relative position of the inner and outer- with 3 screws.
The whole is black aluminum alloy and will not fade. Do telescope thread, two-layer thickened aluminum alloy is very strong, excellent technology.
Applicable : for NX Mount Cameras and telescope with standard 1.25-inch eyepiece port.
fit and solid connection, lens has no play, or wiggling when mounted on adapter and no adjustments required.
all-metal construction with close and combination for secure and solid fit.