Pixel Density is GENIUS!

Started Jul 13, 2008 | Discussions thread
Andrew dB Contributing Member • Posts: 970
Re: I don't care

nawknai wrote:

I think a smaller DSLR, or camera models similar to the Sigma DP1,
are coming.

I think that in 3 years time, we're going to see an Olympus E-4xy
camera that's even smaller. I like the effort by Olympus, but with
its sensor, I don't see why it can't do what Sigma did with its DP1,
but smaller. For all the talk about how a smaller 4/3rds sensor will
lead to smaller, lighter DSLR, it hasn't really happened. Some
lenses are lighter, but really did expect a camera smaller than the
E-420. It's a bit narrower than a Nikon D40, but that's it. Chop
the hand-grip off a D40/D60, and you have something comparable in
size to the E-420.

I'm also a bit disappointed by the Olympus 25 mm pancake lens, which
isn't really pancake-ish enough. Thinner lenses have existed. Is it
more difficult to produce a small, thin lens for a small-sensor
camera? I figured it would have been easier, as every glass element
was smaller (in all three dimensions) than it's film SLR equivalent.

Those lenses would have been smaller if Olympus had made 4/3 an effective shrink of the 35mm system. As it is, they used a minimum backfocus that was proportionally much bigger than that found in 35mm SLRs which dictates much more retrofocal lens designs thus increasing size, weight and costs.

A bit of a missed opportunity IMHO. You'll never see a equivalent to a cheap 50mm f1.8 on either APS-C or 4/3 for that reason.

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BJN
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