[rollei_list] Re: Quiet, Please! - LPM Image Resolution

  • From: Mark Rabiner <mark@xxxxxxxxxxxxxxxx>
  • To: <rollei_list@xxxxxxxxxxxxx>
  • Date: Wed, 23 Sep 2009 16:35:13 -0400

> Well Elias, that seems to have woken everybody up from their siesta ;-)
> 
> Thanks everybody for all that, very interesting (although some of Emmanuel's
> went way over my A-level physics syllabus!) I thought the Lancia Theta was a
> car ;-)
> 
> Having really only wanted to get a DSLR so I could digitise my negative film
> strips to make contact sheets, the choice between a Nikon and a Canon fell
> in favour of the Canon because of the availability of an adapter for Rollei
> lenses. The adapter costing 10 UKP, has not broken the bank if it is a
> complete waste of time. Certainly the 'cheap plastic' Canon 17-55mm zoom
> gives quite good results.
> 
> In running the tests, I am surprised at the quality of even a basic DSLR
> using technology is 3 years old. I do feel that the images are 'soft' when
> enlarged and looking at current DSLR test reports in Amateur Photographer,
> most digital cameras can only just resolve about 20 lpm whereas I seem to
> remember that in the days of similar tests with film cameras, they could
> resolve far higher lpm. Unfortunately I cannot find any period tests that
> have these figures as a comparison.
> 
> Is my memory failing me?
> 
> John
> 
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99.9% of all commercial and most all else photography is digital now. Its
nice that we on this camrea list find it viable. What's surprising is that
we would be surprised.


Mark William Rabiner



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