Thanks Ken,
For all this extra information.
Kind regards,
Dave
Ken Norton escribió:
> The 2X factor is applicable if you are measuring diagonally, however, if
> the important measurement is vertical, it is actually a bit less, more like
> 1.75 or something like that. Regardless, as a quick-and-dirty comparison,
> the 2X factor for 4/3 vs 35mm is close enough for government work.
>
> There is another factor involved here regarding DoF and apertures:
> Diffraction. Lenses are diffraction limited per the enlargement multiplier.
> So, that F4 in 4/3 = F8 in 35mm also extends diffraction limits. If a FF
> 35mm lens hits noticable diffraction limits at F16, the 4/3 lens will be
> hitting the diffraction limits at F8. There really is no free lunch when it
> comes to DoF, regardless of the "film format".
>
> The only thing guaranteed to improve you images is the use of the classic
> Silvernosed-Zuikos.
>
> AG
> http://www.zone-10.com
>
>
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