Re: High Resolution from 35mm Film


David J. Littleboy wrote:
> "Bart van der Wolf" <bvdwolf@xxxxxxx> wrote:
> > "David J. Littleboy" <davidjl@xxxxxxx> wrote:
> > SNIP
> >> All the comparisons I've seen show there being no significant
> >> differences. Whatever the format.
> >
> > That ("no significant") is more or less correct. We're in the "diminishing
> > returns" arena.
> >
> > Drum-scanner results depend as much on operator quality as on hardware
> > quality. However, there is still some additional potential in balancing
> > resolution versus graininess, and dynamic range capability, depending on
> > the media quality.
>
> The grain reduction associated with wet mounting is the biggest advantage,
> although that's available with the Nikon MF scanners as well. (Although the
> idea of solvent evaporating inside my scanner makes it a technique I'll not
> be trying.) The claimed dynamic range advantage looks to me to be somewhere
> between minimal an non-existent.
>
> But if you have a comparison where digital is looking noticeably better than
> a 4000 dpi film scan, there's no way drum scanning is going to change the
> result of the comparison.
>
> FWIW, it looks to me that 645 ought to slightly edge out 12MP, but I suspect
> that the cleanliness of ISO 100 digital would tip the scales. Watch this
> space for some 6x7 vs. 12MP comparisons.
>
> David J. Littleboy
> Tokyo, Japan

I believe for iso 100 film you will get about 4 MP / sq in. So for 6 x
7 I am thinking around
23 MP, not at all bad, but then not as much as I would like to have in
a photo.
Costco has cheap 20 x 30 prints, to print at this size I need about 54
MP that are clean and sharp. $10 for the print and $5 shipping BWT.

A 6 x 6 MF camera is going to be very close to a 1Ds Mark II, which is
what Canon was going for.

And I really need more like100 MP, since I might want to crop the photo
before printing at 30 x 20 inches :)

Scott

.

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