Rethinking 4/3 Depth Of Field

Started Apr 11, 2013 | Discussions thread
SuvoMitra
Contributing MemberPosts: 796
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Re: Rethinking 4/3 Depth Of Field
In reply to al_in_philly, Apr 11, 2013

This has been discussed before, as others point out, but it's an important point, and a potential advantage of a smaller sensor when you want more depth of field at faster shutter speeds (at a given ISO). A fast-lens compact gives enormous depth of field at fast shutter speeds, but the key is clearly to get to a sensor size that balances this with some ability to focus selectively on human-sized subjects. Consider also that to provide selective focus ability with smaller sensors, lenses have to be not only usable but very strong right from large apertures like f/1.4 or f/1. Also, smooth rendering of out-of-focus areas needs to be provided in lenses of shorter focal length. Some of the lens price differences must reflect these challenges.

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