Check the listing for details. M42 Pentax screw Lens to Canon EOS EF Camera mount adapter Ring EF-S Takumar. Condition: New. Listed at 12.20 USD. For sale is new M42 Pentax screw Lens to Canon EOS EF Camera mount adapter. Made in China, JingLu brand. But good quality. Made of metal. It allows focus to infinity.It will be shipped without any accessories. Just an adapter. No other accessories will be included in this auction. Please note that I have added some pictures with Pentax 50mm Super Takumar lens just to show how it looks on the lens. This adapter will allow you to use most universal screw mount manual focus lenses on Canon EOS cameras, such as Digital Rebel T3i, T5i, 60D etc. But adapter does not have a chip, so it will not show focus confirmation. It focuses to infinity. Please note that some older Pentax M42 F series lenses aperture might not work on these adapters. It happens only with F series lenses. Some lenses might need modification to properly work on Canon cameras. hipping is free within USA and $7 worldwide via USPS first class air mail service worldwide.