Take our expertise in lens mount adapters and add something unexpected: a built-in polarizing filter. The Polar Throttle opens up new creative possibilities. No more carrying around a camera bag full of filters. Built-in polarizing means easy and convenient image control over any lens that you attach. We offer dozens of choices for both mirrorless and DSLR and film cameras.Compatible Sony Alpha E-mount Cameras - Popular models include:Sony Alpha ?7, ?7R, ?7S, ?7 II, ?7R II, ?7S IISony Alpha ?3000, ?5000, ?6000, ?3500, ?5100, ?QX1, PXW-FS7Sony NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, ,NEX-6Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50Limitation Details:Some lenses will have slow auto focus, or no auto focus at all. For more information on whether a lens will work, please consult the lens compatibility guide found on the Fotodiox website.Switching between image and video can cause camera to freeze.Switching f-stops in video mode can cause white flashes in video.Longer focal length lenses tend to have more issues with auto focus with the auto adapter*Note: Auto Focus can be slow or even not function with varied model lenses and even different lenses of same model. Not all Canon compatible lenses work equally.All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.