M42-M40 Lens adapter M42 1mm thread Male to M40 0.75mm thread Female 42mm to 40mm 0.75mm Coupling Ring Adapter Converter
USD 16.73USD 17.99
M42-M40 Lens adapter M42 1mm thread Male to M40 0.75mm thread Female 42mm to 40mm 0.75mm Coupling Ring Adapter Converter