Canon says: more EF-S lenses

Started Oct 6, 2004 | Discussions thread
mfurman
Veteran MemberPosts: 4,281
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Excellent point. This is exactly my problem with "1.6" (NT)
In reply to ChuckH, Oct 7, 2004

NT

ChuckH wrote:

bka1 wrote:

i agree with you...people keep making the assumption that full
frame is coming to the masses andd yet lens development and camera
development keep suggesting otherwise. perhaps people need to
re-orient their thinking. i've never heard a medium format person
complaining about not being able to use a 50mm lens for a normal
perspective, they understand that for them (6 x4.5 that is) the
35mm camera equivalent to a 50mm lens for thier camera is an 80mm
lens. when i talk about a normal perspective lens with my 10d/20d i
think interms of a 35mm lens as oppose to the 50mm lens that is
regarded as the normal lens for film slr.

The problem is that wide angle lenses introduce a fair bit of
perspective distortion. So, in order to duplicate the perspective
of a normal lens with the 1.6 crop factor, one has to settle for a
fair bit of distortion. Such is not the case for a medium format
photographer using an 80mm lens to achieve the same perspective.

That, in my opinion, is the biggest drawback to an increased
emphasis on smaller sensors and EF-S lenses. Wide angle lenses are
the most difficult to design and still end up producing the most
distortion. As a result, in our attempts to achieve a normal
perspective, we find ourselves paying more for lenses that don't
perform nearly as well. Consider the fact that Canon's 50mm f/1.8
lens is by far the cheapest in the lineup and yet is optically
excellent whereas the 28mm lens that produces a roughly equivalent
perspective on a 1.6X crop factor camera costs many times the price
and yields a far more distorted image.
--
Chuck

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Michael

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