M42 Specifications:
Extension thickness: 12.5MM M42*0.75 External thread length: 3MM M42*0.75 Internal thread length: 5MM
M48 Specifications:
Extension thickness: 12.5mm
M48 external thread length: 3MM
M48 internal thread length: 5MM
For camera Angle adjuster, visual rotation
M54 Specifications:
Extension thickness: 12.5mm
M54 external thread length: 3MM
M54 internal thread length: 5MM
For camera Angle adjuster, visual rotation
Weight: 43G (before packing)
M68 Specifications:
M68 Camera Angle regulator (CAA) with M72 external thread
M68x1 Internal thread - "M68x1 External Thread"
M72x1 External thread - "M68x1 External Thread"