Andrew Fildes wrote:
> ....
>
> Given that it can only be used on a 4/3rds sensor, you're never going to get
> better than 14mm POV fom it. Meanwhile, I have the Sigma 12-24mm which is a
> full 35mm frame lens.
>
I think horizontal angle of view is the more valid comparison for super
wide. Calculated on that basis, 12mm on FF is 10% wider than 7mm on 4/3,
112.6 vs. 102.4.
That's purely theoretical. Production lenses do vary from nominal focal
length values.
Moose
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