M52M421731 17mm31mm M52 To M42 Mount Camera Lens

Features：

[Broad Compatibility] Suitable for M52 mount lens and M42 mount adapter ring, providing a focusing system for camera.

[Focus Length] Can be adjusted from 17mm to 31mm, support manual focusing, satisfying your various needs, flexible and convenient to use.

[Macro Extension Tube] Can be used as an old lens and macro extension tube, perfect for macro photography, digital camera photography, and more, easy to install and use.

[Premium Aluminum Alloy Construction] Made from high-quality aluminum alloy with advanced anodic oxidation technique, sturdy and durable.

[Compact Size and Light Weight] Max. 7cm diameter and weights only 99g, convenient for storage and carrying.

Specifications：

Model: M52-M42(17-31)

Color: Black

Material: Aluminum alloy

Product Size: 6.5 * 6.5 * 2cm/ 2.7 * 2.7 * 0.86inch

Product Weight: 64g/ 2.2oz

Package Size: 7.6 * 7.6 * 3cm/ 2.9 * 2.9 * 1.1inch

Package Weight: 69g/ 2.4oz

Note:

Only the camera lens adapter ring is included.

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