[rollei_list] Re: You are better off with a digital lens for a DSLR

  • From: "Peter K." <peterk727@xxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Wed, 23 Sep 2009 16:07:10 -0700

Hi Doug,

A digital lens will work fine on film and may also provide sharper
results as they general have slightly higher contrast due the way the
lens is constructed. Usually its the other way around, as you noted,
that causes issues. Glad the information was helpful.

Peter K



On Tue, Sep 22, 2009 at 8:34 PM, Douglas Nygren <dnygr@xxxxxxxxxx> wrote:
> Peter,
> Thanks for posting the link.
> I noticed color fringing when I used an older vintage 21mm lens on a Leica
> M8. The sides had a blue tinge to them.
>
> How do you think  a lens designed for a digital camera will work with film?
> Will there be a color distortion?
>
> Thank you for taking the time to share you expertise on this.
>
> Doug
>
>
> On Sep 22, 2009, at 10:23 PM, Peter K. wrote:
>
>> Forgot. I wrote and article on this for the Wedding & Portrait
>> Photographers International. See:
>> http://www2.wppionline.com/newsletter/Feb09/studio-and-screen-p.tml
>>
>> On Tue, Sep 22, 2009 at 7:16 PM, Peter K. <peterk727@xxxxxxxxx> wrote:
>>>
>>> Most of the older lenses, especially wide angles are not designed for
>>> digital. Film is a perfectly flat plane, but digital is really not. So
>>> the newer digital lenses had to be redesigned to bend the light more
>>> perpendicular.
>>>
>>>
>>> On Tue, Sep 22, 2009 at 1:35 AM, John Wild <jwild@xxxxxxxxxxxxxxxxxxxxxx>
>>> wrote:
>>>>
>>>> I'm still here!
>>>>
>>>> Been experimenting with Rollei QBM lenses on a Canon EOS-400D using an
>>>> adapter from Hong Kong on Ebay.
>>>>
>>>> Not that straight forward (mounting is fine); the results are not what I
>>>> would expect...
>>>>
>>>> ... metering, colour, contrast - all rubbish. Need more time to play.
>>>> Probably to do with in-camera processing using data transmitted from the
>>>> Canon lens not being available on a Rollei lens?
>>>>
>>>> Anyone else had experiences with this combination? There have been
>>>> recent
>>>> posts about telecentricity and how a DSLR records different meter
>>>> readings
>>>> etc.
>>>>
>>>> Interesting comparason using Nikon F5 and D700 at:
>>>>
>>>> http://fwd.five.tv/gadget-show/videos/challenge/challenge-blow-up-part-3
>>>>
>>>> Although test parameters are not really disclosed and comments on this
>>>> are
>>>> at:
>>>>
>>>>
>>>> http://www.amateurphotographer.co.uk/forums/showflat.php?Cat=&Number=723753&;
>>>> page=&fpart=&vc=1
>>>>
>>>> John
>>>>
>>>>
>>>> On 21/09/2009 12:45, "Elias Roustom" <eroustom@xxxxxxxxxxx> wrote:
>>>>
>>>>> Not much Rollei happening here either, but hello just the same.
>>>>>
>>>>> Elias
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>>>
>>>
>>>
>>> --
>>> Peter K
>>> Ó¿Õ¬
>>>
>>
>>
>>
>> --
>> Peter K
>> Ó¿Õ¬
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-- 
Peter K
Ó¿Õ¬
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