Re: D50, 350d, or P&S


"David J Taylor"
<david-taylor@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message news:iUwXe.111311$G8.87504@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Pete D wrote:
> []
>> Sigma make an 18-200mm and Tamron and Sigma make 28-300mm's, they
>> would be all around the F3.5-F5.6 variable, to make them constant
>> F2.8 would cost you both arms and all your families legs ;-), when
>> teamed with an APS-C sized sensor they will produce much better
>> results than the F2.8 P&S by simply using a higher ISO setting. Most
>> of the big zoom P&S cameras are very noisy except at low ISO settings
>> (the samples I have seen from the FZ-30 are far noisier at ISO400
>> than say the 350D at ISO1600, that gives you two full stops at least
>> and probably up to three.
>
> The Sigma 28 -300 sounds nearer. If it's f/5.6 then at the long end the
> sensitivity of the two systems would be similar (ISO 400 at f/2.8 c.f. ISO
> 1600 at f/5.6), perhaps one stop in favour of the DSLR. Any idea how the
> two compare in aberrations and geometric distortion?
>
> David

If you want to see a side by side comparison go to DP Review and pull up the
cameras you want to compare, they will have some sample photos.

Cheers.

Pete


.

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