Thank you for the information Carlos. I have a Rollei RIII
Infrarot filter (extremely dark red, much darker than R25) that
I'll be using with Efke IR820 and Efke IR820 Aura film. I do know
that exposure and filter compensation for this is very much trial
and error. However, does anyone have data or experience as to
where I should begin in terms of bracketing my exposures? Thanks.
Hari
On 29/07/2011, at 1:28 PM, CarlosMFreaza wrote:
I have uploaded to one of my blogs some Rollei B&W filters tables,
Rollei Red and Orange filters instructions in several languages, a
photograph with filters samples and some comments, the images are
thumbnails and it's necessary to click on them:
http://dobleobjetivo.blogspot.com/2011/07/rollei-b-filters.html
Carlos
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