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[OM] Re: OT Re: Musings on Megapixels III

Subject: [OM] Re: OT Re: Musings on Megapixels III
From: Moose <olymoose@xxxxxxxxx>
Date: Tue, 05 Dec 2006 21:33:47 -0800
Johnny Johnson wrote:
> I've also wondered why you bought the 5D when, it seemed to me, that 
> the 30D would have better suited your shooting style and how you 
> prefer to view/display your images .  I see that you've given an 
> answer below.  (BTW, when I recommended the 5D to you I either didn't 
> know or had forgotten that you prefer telephotos to wide angles.)
>   
I have a tele/macro "eye", but that doesn't mean I don't use WA. I just 
shot some with 19mm on the 5D a few days ago.
>
> At first glance it seems to me that the last reason you gave would 
> actually favor the 30D, not the 5D.  <snip lots of calculatons>
> Anyway Moose, I'll admit that I've never even held a 30D much less 
> tried any comparison shots to a 5D so I'm quite possibly all wet with 
> the above analysis.  What say you?
>   
Your calculations are all correct, as far as I know. But I also wanted 
my Zuiko WAs to be WA and for my favorite zoom to go down to 28mm. Not 
buying a small sensor zoom for the 30D was one part of the cost 
justification for the 5D. I'll probably get a Tam 17-35/2.8-4 one day, 
but I've done fine without so far.

So my thinking was that I wanted the 5D for several reasons, but was 
concerned about losing the 500 mm reach I had grown used to and loved 
with the 300D. So starting with the decision that the 6 mp 300D was 
doing a fine job with tele, I thought I could have my 5D cake and be no 
worse off with a cropped image to give 500 mm eq. than I already was. As 
it turns out, the central 5mp of the 5D resolves more than the 6.3 mp of 
the 300D, so I won.

On the 30D, the Tammy is 45-480 eq., On the 5D, assuming that 5 mp is 
acceptable, it is 28-480, so I don't need another lens for many more 
shots. Also, the Tammy is pretty good, but I'm not sure that the higher 
resolution needed for the 30D sensor will be there, not just at the long 
end, but in general. So I might get better results with the FF sensor 
due to lens limits. Using your numbers, I only need 64 lpm at 160 mm on 
the 5D, but need 82 lpm at 100 mm for the same shot with the 30D   And 
there are other reasons to prefer the 5D, so I went that way.

No regrets either, what a wonderful image maker.

Moose

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