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Forum: General Discussion Feb 20, 2007, 10:26 AM
Replies: 14
Views: 832
Posted By TCav
ac.smith wrote: Leica also made an f/0.98 lens...

ac.smith wrote:
Leica also made an f/0.98 lens a while ago. I think it was a 40mm.
Forum: General Discussion Feb 19, 2007, 12:08 PM
Replies: 14
Views: 832
Posted By TCav
There is no magic in making a f=6.0-72mm f/2.8...

There is no magic in making a f=6.0-72mm f/2.8 lens. Unless you call what Leica does magic (and it may well qualify.)

Nobody's doing it anymore because as image sensors get more sensitive (more...
Forum: General Discussion Feb 18, 2007, 3:34 PM
Replies: 14
Views: 832
Posted By TCav
On the other hand, some companies (Leica, for...

On the other hand, some companies (Leica, for one) can work miracles with glass. After all, who else makes an f/1.0 lens?
Forum: General Discussion Feb 18, 2007, 2:09 PM
Replies: 14
Views: 832
Posted By TCav
When you zoom in, youreduce the field of...

When you zoom in, youreduce the field of view.When you reduce the field of view, you reduce the amount of light available for the exposure.

On a full frame camera, a 50mm lens has a field of view...
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