Description
M42 focal plane adjustment ring
M42 internal thread, length 10mm
M42 external thread, length 3.5mm
Weight: 65g
Minimum thickness: 12mm
Diameter: 75mm
M48 focal plane adjustment ring
M48 internal thread, length 10mm
M48 external thread, length 3.5mm
Weight: 70g
Minimum thickness: 12mm
Diameter: 80mm
M54 focal plane adjustment ring
M54 internal thread, length 10mm
M54 external thread, length 3.5mm
Weight: 75g
Minimum thickness: 12mm
Diameter: 90mm
