Description
Magnification: 0.7X
Back (mount) clusters size: 52mm
Open clusters size: 77mm
Elements/Groups: 1/1
Frame material: aluminum (not plastic)
Frame height: 23.3mm
Extend visual angle: about 30%
Glass material: high quality optical glass
Weight: g
Suitable lens: can0n/nik0n/pentax 52mm lens
Install quickly and widely used
Ultra thin frame all in one design
Install a 77mm filter or front cap
Integrated aluminum frame no vignetting
Special hd multi-coating for 52mm standard lens
Zoom rate 0.7x to extend 30% angle of view
Easy to carry does not affect the automatic focus function of the motor