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