E-7 or change to m4/3

Started Sep 5, 2012 | Discussions thread
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Re: You are right
In reply to Everdog, Sep 7, 2012

Everdog wrote:

Here is the best comparison. The 2 Lieca 25mm F/1.4 lenses (the ginormous one is 4/3rds).

The "ginormous" version has much sturdier build quality, is optically better, has smoother bokeh, better contrast and micro-contrast, and would cover a larger sensor (if one existed). It's easy to build smaller lenses if you compromise the materials and optics.

For a different comparison, the 45mm and 50mm are somewhat similar in size; the difference is about 15mm in both width and length. Optically, even the 45mm isn't quite up to par with the 50, which is also a macro lens with weather sealing. The 75mm could optically be about the same - and it would also be the same size in 4/3 mount.

You win in size (for shorter lenses), you lose in optical quality. That's how it goes. TANSTAAFL and all that.

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