- With this lens adapter, you can mount M39 lenses (LEICA , JUPITER ETC...M39 LENS) on the Canon EOS digital SLR camera systems. - It is macro only, cannot focus infinity. - Made of metal. - Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions 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 with camera body.
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