M48 (48 x 0.75 mm) to M42 (42 x 0.75 mm) telescopic adapter ring.
Specification:
Material: aluminium alloy.
Colour: black.
Shape: as picture
Female: M48 x 0.75 thread (2 inch filter thread).
Man: T2 thread (M42X0.75).
Effective thickness: 5 mm, 6 mm, 7 mm, 8 mm.
Package includes:
M48 x 0.75 to M42 x 0.75 adapter x 1 piece