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  1. Effect of using filter on rear element?

    I have recently purchased a new Schneider 110mm XL lens. I am really nervous abo ut leaving the glass exposed and am tempted to put filters on both the front and back. I plan to use high quality B+W...
  2. Trends in Large Format Lenses and Cameras

    Alice,

    Thanks for your question. I would be very interested to learn about the results of your research, if you are inclined to share them. I asked a similar question on this site about two...
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    Problems calibrating XTOL+TMY

    I want to echo the previous point. I develop TMY in ID-11 1+1; N is 7.5 minutes, N-1 6.75 minutes, N-2 6 minutes. I develop in a Jobo with constant agitation. I also do not use a pre-wash. I seem...
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    Gray market outside the US

    I was intrigued by the discussion on another thread around "gray market" vs offi cial products purchased in the US. I am in fact not clear what gray means. I gat her "gray" products are products...
  5. Should the LF page be part of photo.net? Comments

    I vote it stays the way it is. The quality of discussion here seems much higher than on photo.net and I would hate to see it be diluted
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    Will Digital Make LF obsolete?

    Firstly thanks to all for your valuable responses. Whatever it may do to our photography, the digital age is a wonderful thing in being able to connect people like this from around the world. The...
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    Will Digital Make LF obsolete?

    I would be interested to hear people's views about the long term direction of di gital photography, and the impact it will have on large format photography and d arkroom practices in particular. I...
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    Zone VI modified spotemetrs

    Years ago Zone VI studios modified Pentax spotmeters under the direction of Paul Horowitz, so that they 'saw' light the same as film. Although I knew Zone VI wa s bought by Calumet I only recently...
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    Copal Shutters-Where can I find them?

    Dear Thomas,

    B&H photographics in New York sell mail order Copal shutters. A 'O' costs $179. Don't forget that it will come without aperture markings. You would need a lens technician to do it or...
  10. Thread: APX25

    by Andrew Herrick
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    APX25

    Dear Paul,

    According to the Agfa website (www.agfa.com) APX 25 is not available in 4x5. Cli ck on products, then films, then black and white pro. then availability.

    Most manufacturers don't...
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    Zone system testing method

    Dear Ray,

    Firstly, T-max can be a real headache. It's not a film for beginners (and I shou ld add that I'm still coming to grips with it). The reason is becasue its maximu m density is over 3.0;...
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    4x5 film processing techniques

    Dear Ara,

    Although I'm not an expert I am an enthusiastic photographer and have been proce ssing large format films for several years. There are a couple of ways you can d o it.

    1) Tray...
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    Schneider Symmar lens specs

    I am an enthusiastic amateur photographer trying to get into large format. Recently a series of lenses has come to my attention. They are old Schneider Symmar lenses, and have focal lengths of 150mm,...
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