Are pancake primes extinct ?

Started Feb 12, 2013 | Questions thread
Chez Wimpy
Chez Wimpy Veteran Member • Posts: 8,856
Re: Extinct ? Why?

amalric wrote:

So the early 17mm and 20mm reflected that. Even so they had to be firmware corrected. By comparison take the Sigma 19mm which is uncorrected, and you'll see that it has twice the size of an equivalent pancake, and is 2.8. Sharpness is v. good though.

That is because the 19mm is not a normal lens... it is a WA lens for APS-C that was mated with a mount and software to focus on m43 bodies.  The fact that the (sharper) 30 is actually smaller points in this direction.  Sigma could do a smaller, optically efficient pancake even without digital correction... but they won't because they feel that a hand-me-down design that sells "ok" on m43/NEX/(Canon)/(Fuji)/??? makes more manufacturing sense than a dedicated, small 10/2.8 that sells GREAT on m43, and not at all on the rest.

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