"Rob Studdert" <[EMAIL PROTECTED]> wrote:

>On 26 Jun 2003 at 7:09, [EMAIL PROTECTED] wrote:
>
>> The charts are all the more impressive, because of the higher than usual
>> frequencies used. Being a big 28-105 fan, the 14-54 (28-108) is very attractive.
>> I wouldn't fixate on pixel count. There are a number of parameters that
>> determine image quality. Pixel count is only thing. It could produce images
>> equal to, or even better than another 6mp DSLR.
>
>Higher spatial frequencies usually produce worse graphs. I don't understand why 
>they have used non-standard 20/60 LPMM test frequencies as it makes comparisons 
>to other system difficult. What is interesting however is that even at 20LPMM 
>the graphs show lower than average contrast for the Macro lens at least is is 
>however very consistent across the image circle and shows very low geometric 
>distortion. I wouldn't say that the MTFs are overall impressive though.

Especially as the small physical size of the sensor means you have to
enlarge the image much more and get a print with much lower final
resolution.

-- 
Mark Roberts
Photography and writing
www.robertstech.com

Reply via email to