A manual lens needs to be focused manually; Think again! The Fotodiox Pro Pronto adaptor brings autofocus to your Leica M-mount lenses. If you want to automatically focus your M-mount lenses on your Sony e-mount camera just attach it to the Pronto adaptor. For general use, it is recommended that the lens be set to infinity focus allowing autofocus within the entire focusing range of the lens. Half-press the shutter button to activate AF and the Pronto adaptor will focus your lens just like any other AF lens. Performance is optimal with 50 mm and wider lenses. Improve close focusing with the Fotodiox Pro Pronto adaptor by attaching your lens and setting to the closest focus distance possible. This setup will allow you to use the Pronto adaptor as a 4.5 mm extension tube with autofocus capabilities that will significantly shorten the minimum focus distance of your lens. The Pronto adaptor has a Leica M-mount, but the options don't stop there. With the use of additional adaptors you are able to adapt nearly any lens to Leica M, attach to the Pronto adaptor and enable them to be used with autofocus. Please note that the Pronto adaptor has a weight limit of 680 g for the attached lens. Although this is difficult to exceed with M-mount lenses, it is easy to surpass when using a second adaptor on SLR and Medium Format lenses. Camera compatibility - Cameras with phase detection AF such as: • Sony Alpha α6300, α6500 • Sony Alpha α7 II, α7R II, α9 * The Pronto adapter supports AF-S and AF-C focusing. Decreasing the focus area comes with a significant reduction in speed and may produce some focus hunting. Face detection is also supported. * We do not recommend using with Contrast Detection AF only cameras (i.e. Sony NEX, α6000, Sony α7, Sony α7R, Sony α7S, Sony α7Sii, etc.). The motor will make some noise; this is normal. This noise is minimal and should not be a hindrance in most situations.
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