Feature：

Made of alloy, light weight and suitable for long term use. Precision machined to ensure a perfect match with your camera. Both the camera side and lens side of the adapter are made of high quality aluminium alloy, precision machined and chrome plated. Precise fit and solid connection - the lens will not wobble when mounted on the adapter, and will fit the lens without any adjustment.

Specifications：

Material: Brass and aluminum

Applicable lens：for Praktica PB P B Lens

Applicable camera：for Canon EOS EF Mount Camera

Color: black

Package include：1 x Mount Adapter Ring

Note：

There is no electrical contact in the adapter ring. Exposure and focus has to be adjusted manually. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other function will not operate correctly while using this adapter. In this case ,"stop-down mode""will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode.