M52 to M42 Lens Mount Female to Male Camera Focusing Helicoid Rings 17-31mm

Description:

This focusing helicoid tube with M52 front mount and standard M42 rear mount, can be adjusted from 17mm to 31mm, support manual focusing, satisfying your various needs, and convenient to use.

Useful for those lenses without focus rings, offers fine for photography.

It can be use as extension tube, By moving the l.ens further away from the film or digital camera sensor, the l. forced to focus much closer than normal, for photography, digital camera photography.

Use this tube with your . you will get the quality, which is the . the size, and versatility is for the and close-up pictures.

Made from aluminum alloy with advanced anodic oxidation , sturdy and

Specification:

Type: M52 to M42 Mount Focusing Helicoid Rings Adapter 17-31mm

Extension Tubes

Front mount: M52 screw mount female

Rear mount: M42 screw mount male

Length: 17mm to 31mm (14mm movement distance for focusing)

Focus: Manually

Material: Aluminum alloy

Size: 6.5 x 6.5 x 2cm/2.6 x 2.6 x 0.8 inch

Package Includes:

1 Piece Focusing Helicoid Rings Adapter