Lens Thread M42
This is an metric 42x1.0mm thread used for single reflex cameras before the bayonet couplings became commonplace.
See also: Camera, Lens Mount, Lens Thread M39, Lens Thread T2, Thread.
Subjects: Optics
This is an metric 42x1.0mm thread used for single reflex cameras before the bayonet couplings became commonplace.
See also: Camera, Lens Mount, Lens Thread M39, Lens Thread T2, Thread.
Subjects: Optics