Description: Feature:Allow to focus infinity in manually,Support AV (aperture priority) and manual mode. Exposure aperture data can be recorded in EXIF. It is an aperture pin stop down flange version,It is possible to use Macro rings and other accessories. Enable camera viewfinder focus confirmation light and sound,give you confirmation signal once you focus objective accurately. Make M42 mount lenses can be used on DLSR body for Canon EOS EF camera. Specification: Model: M42-EOS Material: Aluminum Color: Silver Compatibile with:M42 Mount Lenses.for Canon EOS 5DIII, 5DII, 6D, 5D, 7D, 60D, 50D, 40D, 30D, 20D, 10D, 1100D, 1000D, 700D, 650D, 550D, 500D, 450D, 400D, 350D, 300D, and other Canon EOS Cameras Package Includes: 1 Piece M42-EOS Ring Adapter Note: 1. Automatic diaphragm, auto-focusing, or any other functions might not operate correctly while using this adapter. 2. "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. 3. "EMF AF Confirm" doesn't means you can use Auto Focus function, it means that it will automatically occur a "beep" sound as an indication while you using Manual Focus
