OK, the 'f'' f-stop stands for 'focal ratio' and the 't' in t-stop for
'transmission', i.e. the actual light that comes through. Where does
'p-stop' come from? A mishearing of 't-stop', or some other even more
esoteric meaning. Not arguing with your tests, just wondering about the
nomenclature.
As to all the 'one lens' argument, sure, it's a reasonably good way to
learn a lot about photography. And one can take a lot of great pics with
the one lens. I did it many years ago for the simple reason that a 50mm
was all I could afford. However, there are a lot of shots I have taken
and value that could never have been taken with just one lens.
Moose
petertje@xxxxxxxxxxxxx wrote:
>Since somebody mentioned f-stops (focal length/opening) and p-stops (the
>actual light that comes through), I decided to do some tests.
>
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