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Efke IR rating?

  • 24-05-2010 9:32am
    #1
    Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭


    I have scoured the web and gotten about 5 million different answers for this - does anyone by any chance know what to rate Efke Aura at? I have it at 100 when metering through the lens with the 720 filter on. I don't want to waste it..


Comments

  • Registered Users, Registered Users 2 Posts: 6,703 ✭✭✭DaireQuinlan


    sineadw wrote: »
    I have scoured the web and gotten about 5 million different answers for this - does anyone by any chance know what to rate Efke Aura at? I have it at 100 when metering through the lens with the 720 filter on. I don't want to waste it..

    I don't think there actually really IS any one answer for it, that's the problem. There's no definitive correlation for a start between the amount of visible light and the amount of IR. I'd pick a start point, bracket a couple of stops in either direction, take notes, and when you develop that roll pick a value you're happy with yourself. And then make sure to tell me, cos I -still- have 5 rolls of this in the freezer I have to throw into my F4 at some point :)


  • Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    Feck. Was afraid of that.

    Developing - now there's another thread...


  • Registered Users, Registered Users 2 Posts: 1,424 ✭✭✭bernard0368


    I have been using some rollei and was advised to meter at 12-25 when using a R72 filter.


  • Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    Hmmm.. I might drop to 50 and see. I'm overexposing slightly anyway.


  • Registered Users, Registered Users 2 Posts: 6,703 ✭✭✭DaireQuinlan


    You've got the datasheet, right ?

    http://www.freestylephoto.biz/pdf/MACO_IR820c_AURA.pdf

    Just sacrifice one roll and bracket. It's the only way to be sure (short of taking off and nuking the site from orbit of course).


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  • Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    I just got the lowdown from thefizz. Meter at 50 without the filter and add 5 stops, and bracket from there. Eep! Looking forward to the workshop I'm attending now as it's patently obvious I haven't a clue what I'm doing! :D


  • Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    Oh and nice one on the data sheet - didn't have that.


  • Registered Users, Registered Users 2 Posts: 6,703 ✭✭✭DaireQuinlan


    sineadw wrote: »
    I just got the lowdown from thefizz. Meter at 50 without the filter and add 5 stops, and bracket from there. Eep! Looking forward to the workshop I'm attending now as it's patently obvious I haven't a clue what I'm doing! :D

    oh very nice. I'd love to do his rather paradoxically entitled colour printing workshop. Plus the lith one. But, oh, time time time :rolleyes:


  • Closed Accounts Posts: 4,763 ✭✭✭Fenster


    sineadw wrote: »
    I just got the lowdown from thefizz. Meter at 50 without the filter and add 5 stops, and bracket from there. Eep! Looking forward to the workshop I'm attending now as it's patently obvious I haven't a clue what I'm doing! :D

    Oh, oh how I wish I lived at your end of the country!


  • Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    why don't you come Mark? Sure it's not that far..


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