Item features:

Allows a M42 manual lens to be used with a Canon EOS camera with EF mount

Supports electronic communication between camera and lens to enable manual control, manual focus, on-camera manual aperture control, manual exposure , AV and M Mode, program and infinity focus.

Maintain EOS optical system , ideal for metering of exposure control

Premium aluminum alloy body for weight reduction preventing wear-and-tear

Integrated switch opens F/1.4 aperture diaphragm on compatible electronic lenses to help ensure focus accuracy

Locking mechanism for secure attachment of lens

Smart adapter focus indicator of green light and voice prompt

Item specification:

Brand: Selens the-nine-generation Canon smart focus adapter

Model: M42-EOS

Color: black

Material: aluminum alloy

Net weight:19g

Mode supports: M AV Mode

Compatibility: M42 manual lens to be used with a Canon EOS DSLR camera with EF mount like 100D, 1100D, 1000D, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 650D, 700D, 10D, 20D, 30D, 40D, 50D, 60D, 70D, 5D, 5DII, 5D III, 6D, 7D, 7DII series