Exposure time for Agfa paper

Discussion in 'Darkroom Developing and Printing' started by iga, Mar 9, 2005.

  1. iga

    iga Guest

    Hi all !
    Yesterday, after almost 25 years pause, I tried to make
    my own prints at home. Although I managed to make some
    decent photos, I got a problem - exposure time seems to be
    too short. With lens closed down to 8 - 11 ( and for MF down
    to 16 ) exposure time is 6 - 8 sec. Is it normal with modern
    papers ? I'm using Agfa multicontrast ( without filters this time )
    and Agfa Brovira Speed grade 3. My enlarger is Meopta
    ( condenser ), lens are Nikkor 2,8 / 50 for 35mm and
    Anaret 4 / 105 for MF. Developer is Neutol Liquid NE 1 + 7.
    Thank in advance,
     
    iga, Mar 9, 2005
    #1
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  2. iga

    Mark Fohl Guest

    If you put a filter on, that will double or quadruple the exposure time,
    depending on the filter. That sounds about right to me.

    -- Mark
     
    Mark Fohl, Mar 9, 2005
    #2
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  3. I do split filter printing with Agfa MCC fiber-base, using a Beseler
    Dichro colorhead, and my normal printing times (for an 11X14 print from
    a 6X6 or 6X7 negative) are usually in the 10 sec at full magenta and 10
    seconds at full yellow range. Or 12 sec. M and 8 sec. Y if I want it
    more contrasty. But something in the 20 second range with the lens at
    f11 is about right for Agfa. Multicontrast paper is not meant to be
    printed with no filtration. It works better with filters.
     
    LR Kalajainen, Mar 9, 2005
    #3
  4. Variable contrast paper should be used with VC filters.
    The speed with filters up to grade 4-1/2 is half that of the
    paper without a filter and for higher contrast filters about
    half that. Agfa Brovira RC is also pretty fast paper.
    However, the exposure times you are getting are pretty short
    even for the no filter condition. It would help to know how
    large the prints are and how large a bulb is in the
    enlarger. For prints of 8x10 or larger, and with a typical
    75 watt lamp exposures should run between 15 and 30 seconds
    at the stops you use.
     
    Richard Knoppow, Mar 11, 2005
    #4
  5. iga

    iga Guest

    Thanks a lot to all !
    Richard, my Meopta Standard 2 has no filter drawer, so
    I will use graded paper for the moment...
    Brovira RC Speed takes 6 - 12 sec at f8, prints are 7 x 9 1/2
    The lamp is 150W, which is "standard" for this enlarger.
    So I understand that changing lamp to 75W I will get times
    you are talking about ( 15 - 30 sec )....
    Once more thanks,
    Best regards,
     
    iga, Mar 12, 2005
    #5
  6. Below the lens filters work fine if kept clean. Variable
    contast paper is a great convenience. Also, its getting
    harder to find graded paper especially in extreme grades.
     
    Richard Knoppow, Mar 13, 2005
    #6
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