Canon says: more EF-S lenses

Started Oct 6, 2004 | Discussions thread
ChuckH
Contributing MemberPosts: 994
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Re: Thanks, JP.
In reply to Doug Kerr, Oct 9, 2004

Doug Kerr wrote:
Hi, bds,

bds231 wrote:

Basically, yes. A 28mm lens designed for a FF camera might,
however, produce more of that geometric distortion than a 28mm lens
designed for a 1.6x camera because, intuitively, it's trying to
take all that light it captured on the front end and spread it out
over the backend in a circle large enough to cover that FF sensor.

I think it would be more precise to say that making a 28 mm lens
suitable for a FF35 camera with only a certain amount of gemoetric
distortion would be more challenging than making one with that
amount of distortion for use only on an 0.63x sensor size camera.

That's one reason the Sigma 12-24 is $650.00!

But, Doug, the new Canon EF-S 10-22 is significantly more expensive (i.e. $800) and is designed for use only with the smaller sensor. I realize that it boasts a slightly shorter focal length, but the difference seems relatively modest. So, is Canon simply overcharging for that lens or does it offer significantly less distortion than the Sigma referenced above?

BTW, after watching the latest presidential debate it looks as if you should have enough tag line material to permit daily substitutions throughout the entire span of the next administration (grin). Only one "nucular" though
--
Chuck

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