each of my LTM lenses to M4/3 mount - but they were AUD3.50 each in bulk. Tom Caldwell wrote: and concentrates the light - therefore the extra stop of light. Shooting 4K video in crop mode on an A7RII is another situation in which a focal reducer might have some value - you'd get 1 more stop of light while using a higher quality shooting mode, and do so while nearly cancelling out the effect. (106) You can only compare up to 4 items. No, Sony FF bodies don't offer automatically cropping to something like a 24x24mm square in camera, but it's easy in post. Otherwise I have heard good reports about buying an EF focal reduction adapter and second adapting it to other mounts. ProfHankD Veteran Member Posts: 5,927 Focal reducers on FF sensors In reply to Tom Caldwell 11 months ago Tom Caldwell wrote: Generally speaking it is not a beneficial idea to focal reduce a FF sensor. I wanted to just buy 1 focal reducer and buy adapter rings (m42 to md)in which I can attach my m42 lenses to the minolta md lens trubo 11 then to my Sony A6000. With something like a FD-NEX Zhongyi Lens Turbo II, and adapters from either eBay or from 3D-printed adapters from the community, you'll be able to adapt several ( but not all ) FD lenses, Minolta SR/MC/MD lenses, and M42 lenses (make sure you get one.
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Focal Reducer Speed Booster Adapter Canon EOS EF mount lens
I think it's fair to consider them as being of a different type The reducer works by concentrating the light into a smaller area. I forgot to mention a main important lens, Contax 135mm.8 C/Y mount lens which I want to use it portraits. On a sensor the size the lens was designed for you'll get black all round the image, possibly leaving a circular image. Sounds like you're on the right track Baskaran Anandan New Member Posts: 8 Re: Lens turbo II or "Roxsen" no brand focal reducer In reply to Tom Caldwell 11 months ago I have Canon NFD 50mm.4, helios 58mm f2, MIR 37mm.8. You cannot get full frame and the stop of light at the same time.