New generation of "digital" lenses: only a commercial strategy?

Started Jun 28, 2001 | Discussions thread
Bob Klein New Member • Posts: 5
Re: New generation of "digital" lenses: only a commercial strategy?

David wrote:

Well I dont fully understand the mechanics but I think that it has
something with the way that light must fall on a chip as compared
to film. So lenses designed for digital cameras in theory should be
better for that situation.

David is correct. The problem is with wide angle lenses. The light rays at the edges of the image strike the sensor (CCD or CMOS) at an extreme angle. The currently available 14mm lens for 35mm film cameras is a 21 for digital. Those of us who shoot film have been spoiled by zooms down to 17mm. Its not currently possible to design a non-fisheye lens wider than than the 14mm. But something like a 10mm lens could be designed if it only had to service the pro digital SLR.

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