Ken wrote
...Of course you notice the
>relative size of the subject and its image in the VF. It seems to me
>that these are about matched at around 85mm. (Could that account for
>the popularity of the focal length?
Ken,
I believe you've forgotten that most viewfinder images are reduced to about
.7 magnification. This is why around 85mm appears "normal." Withouth this
reduction in the viewfinder, I think you'd find 50mm to be "normal," hence
it became the "normal" lense for 35mm.
50mm = 1X but viewfinder image = .7X
85mm = 1.7X viewfinder image = 1.19X
70mm = 1.4X viewfinder image = .98X
At least that's my understanding. BTW, I used to own a Pentax manual 35mm
and I'm not sure what the image reduction was in the viewfinder, but it
appeared more "normal" with a 50mm than either of my Canons does now.
Cheers, JD
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