> * The ratio of 4/3 sensor to 35mm is 1:2
> * f2.8 on E-1 with native lens = f5.6 in 35mm terms
Except the 1:2 ratio is via the diagonal format. Since the
height/width ratios are off, you *should* use the height
measurement which is actually 1:1.8 for a more accurate
multiplication factor. But 2X is a whole lot easier so ignore
me.
> This seems easy enough. I must be wrong.
The Herky factor.
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