Product name: For Reddina DKL series lens to M4/3 M43 adapter ringCompatible lens: For Reddina DKL series lensApplicable body: For (EF) SLR cameras, support all kinds of digital and some film cameras in the market, such as: 5D, 5DII, 100D, 1100D, 350D, 10D, 550 series, etc.Function: Full manual operation, manual focus, manual aperture adjustment, manual exposure can be achieved with the camera body, aperture priority exposure, far focus.color:As shownMaterial:MetalPackage Contents:1 x Lens Adapter RingOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.