Re: Konica IR ...!st time, hyperfocal focusing, and Stigmata

[Clive Warren <Clive.Warren@xxxxxxxxxxxxx>]

At 8:44 am -0700 22/3/00, Christina Z. Anderson wrote:

>Thank you, Clive; I now get it!  I think I must have assumed that
snippety

>have here).  So I will use your rule of thumb of 3 stops 'down' from wide
>open and that'll  do just fine.  BTW I also checked out your website and
>it's great.
>Chris

Snipletson

>> If you want a rule then stop down three stops from wide open when using
>> Infrared Film. However use of the aperture is part of creative photography
>> and although you should avoid very small apertures, feel free to
>experiment
>> and explore in the same way as you would with visible light photography.
>> Throw the rules out of the window and delight in the freedom :-)
>> All the best,
> Clive   http://www.cocam.co.uk

Chris,

Glad to be of assistance and thank you for the feedback on the website.

You may find the lens tests in the Medium Format and Large Format Equipment
sections of the CoCam site of interest - they show you how resolution
changes across a negative as the aperture is made smaller.  You may be
surprised that many older lenses will come close to their more modern and
much more expensive comtemporaries.

The bottom line is of course that these figures are great for the
statisticians, but the true test of any photographic outfit is the whether
it is the right one for you to create wonderful photographs :-)

A clunky and battered old Olympus or Pacemaker Speed Graphic may well
produce much superior results to a modern auto everything in the right
hands.





All the best,

             Clive   http://www.cocam.co.uk
                     Photographic Services, Filters and Equipment, Infrared FAQ
                            http://clive.bel-epa.com
                            Adventures in Cyberspace - Digital Art and Photos


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