2008/3/5, C.H.Ling <ch_photo@xxxxxxxxxxxxx>:
>
> It is equivalent 80mm F2, not 20mm
Yes, my bad!
> When you are talking about 60mm, there
> is a 60/1.5 for the Pen, the coverage is larger than 4/3 and weight only
> 270g all metal, it is equivalent to 120mm F1.5 in 4/3!
Sweet. Anyway, coverage is not the whole story: there may still be
vignetting and distortions because digital sensors woń't take the
angled light rays film takes.
Question is, how big would be the digital, near-telecentric,
weather-sealed, autofocus FourThirds equivalent?
> I don't think there is any difficulty to make wide angles for small sensors,
> there is already a DZ8mm.
The difficulty is making them small and fast at the same time. Small,
fast, wide, take two.
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