Take our expertise in lens mount adapters and add something unexpected: a built-in polarizing filter. The Polar Throttle opens 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 MFT Mirrorless Cameras - Popular models include:Olympus PEN E-PL1, E-PL1s, E-PL2, E-PL3, E-P2, E-P3, E-M, OM-D, E-M5, E-M10Panasonic Lumix DMC-G1, G2, G3, G10, GX1, GH1, GH2, GF1, GF2, GF3, GF5, GH4Panasonic AG-AF100 Mirrorless Digital Cameras Black Magic Pocket Cinema Camera (BMPCC)Notes:This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc.) will be disrupted.Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode.If your lens does not have a manual aperture control ring, it will stop down to its smallest f/stop by default.All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.