Features: This lens mount adapter is suitable for Minolta MD lens to fit for Canon EOS EF camera body. Made of aluminum and magnesium alloy, brass plated chrome, ring copper ring body bayonet. The inner wall paint elimination treatment lest the reflection will affect the imaging on the CMOS, and the focus is infinitely far. Sturdy, fine workmanship, all structural dimensions are designed according to the port parameters of the original camera and lens. Completely manual control, manual focus and manual exposure. With corrective lens, which can achieve focusing to infinity. The built-in two lenses, one is pull imaging surface, another one is lower dispersion reduction levels, more than 3.5 aperture will become soft focus effect. Photographic magnification is converted to 1:1, the middle of the two lenses adopts anti-reflection film plating of magnesium fluoride.