Resolution of M43 lenses

Started Mar 31, 2013 | Discussions thread
Anders W
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Re: I disagree
In reply to Dr_Jon, Mar 31, 2013

Dr_Jon wrote:

I'm sorry but I'm not signing up to m43 lenses magically being good because of optical corrections as it disagrees with what I see. There are a few very good m43 lenses (the 75 comes to mind, but I doubt much software is involved) and some good ones (20/1.7, 45/1.8, others) but I could name a whole bunch more Canon and Nikon lenses that are in the very good category and they don't seem to have much issue churning them out. Also I do think cost is a factor, as it means you can use lens elements with easier/cheaper to make shapes and ditch some of the ones needed to fix CA (although software CA repair does have a cost on image quality, it isn't magically free).

For any lens, what we want is the best final IQ along with the smallest/lightest dimensions possible for a given cost in terms of design and manfucature. I find reasons to think that for WA lenses, you get "more bang for the buck" in this calculation if you take advantage of software correction than if you don't.

If you don't care about the dimensions of the lens or how much it costs, then it is of course possible that an expensive, large, and heavy lens which does not rely on software-correction can beat a less expensive, smaller, and lighter lens that relies on such correction. But if cost of design and manufacture, size, and weight is held constant, I think the lens designed to take advantage of software correction is likely to show the better IQ.

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