I hear what you're saying but that's the real world about how 98% of us
make images today or have them made for us. If AG's car can go 315 kph
(snort, snort) but he's only got a 150 kph road, well... he ain't gonna
go any faster.
Chuck Norcutt
Tim Hughes wrote:
> I always enjoyed some of his careful discussions, but it always bothered me
> when he is doing his
> comparisons with film, using a 4000dpi scanner, which of course is another
> digital camera which
> adds its own optical and digitisation errors,grain aliasing and transfer
> function to the film. In
> a particular example, we know how difficult it is to get good scans from say
> kodachrome, where the
> contrast (dynamic range)seems to suffer substantially. It would have been
> nice if he had been able
> to use something like a scanning microscope photometer for some of the film
> resolution tests. Also
> given the lenses he used, they may have become quite limiting, making both
> digital and film look
> similar at the higher resolutions, even if they were not. Once you multiply
> the MTF's together the
> lens has to have a lot higher MTF to be able to see any meaningful
> differences in the rest of the
> system. It always seemed like in particular, low speed B&W films would really
> have been short
> changed in his tests.
>
> Tim Hughes
>
> --- "C.H.Ling" <chling@xxxxxxxxxxxxx> wrote:
>
>
>>I think some of you might have seen this:
>>
>>http://clarkvision.com/imagedetail/film.vs.digital.summary1.html
>>
>>Details here:
>>
>>http://www.clarkvision.com/imagedetail/film.vs.6mpxl.digital.html
>>
>>Clark's conclusion is Velvia film is equal to 15MP DC in resolution. 3MP is
>>really hard to believe!
>>
>>C.H.Ling
>>
>>
>>==============================================
>>List usage info: http://www.zuikoholic.com
>>List nannies: olympusadmin@xxxxxxxxxx
>>==============================================
>>
>
>
>
> ==============================================
> List usage info: http://www.zuikoholic.com
> List nannies: olympusadmin@xxxxxxxxxx
> ==============================================
>
>
==============================================
List usage info: http://www.zuikoholic.com
List nannies: olympusadmin@xxxxxxxxxx
==============================================
|