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#1
March 14th 12, 12:42 AM
posted to rec.photo.digital.slr-systems,rec.photo.digital
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When will these people get it? Telephotos can't shrink
RichA wrote:
Telephotos of specific speeds cannot be shrunk "Telephoto" explicitly means a shortened design for a long lens. Telephotos are already reduced in length from a simple lens design. like wide angle lenses and normal primes just because a sensor is smaller. A 300mm f2.8 needs a lens at least 110mm across and it needs multiple elements because aspherics are not used on large elements yet. Whether the sensor is 4/3rds or FF, the lens is going to be that big. http://forums.dpreview.com/forums/re...ssage=40554613 
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