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Maco IR 820 Infrared Film

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    AlanEdwards
    12 Mar 2002 - 7:38 PM

    Does anyone have any experience of using this film? 120 format.
    Having just purchased my first batch, I would welcome advise on ISO with Hoya red filters, suitable developer and dev. times.
    I have the Maco technical sheet but personal experiences would help.

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    12 Mar 2002 - 7:38 PM

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    J-P
    J-P  11396 forum posts
    12 Mar 2002 - 8:53 PM

    I've just got some too (35mm). I use a deep red (Jessops) filter and rate it at 50 ASA. Dev times are 8mins in ID-11 or D-76 at 20 C. I bracket +/- 5 stops with IR should I should get some OK results, but I haven't got any negs back so I can't vouch for this. Maco's technical dept. will give you a very quick reply - info@mahn.net, they replied within the hour to my dev. time enquiry. If you do get any info. on ASA rating with different filter's I'd like to know as I was about to get an 87. I should have negs back by early next week. Incidentally, how do you load 120 in total darkness ?

    AlanEdwards
    15 Mar 2002 - 6:23 PM

    With difficulty. Spent ages fiddling about in a changing bag before I managed it.
    Will probably develope it in DixActol

    J-P
    J-P  11396 forum posts
    25 Mar 2002 - 5:14 PM

    Got my first results - it's not a true IR film like Kodak High speed. In fact it seems more panchromatic than even SFX. Perhaps it might be different with an 87 on. With Kodak I meter without the filter and then ignore the reading with the filter on; do that with this stuff and you'll be three stops under

    AlanEdwards
    3 Apr 2002 - 6:40 PM

    Developed my first test film in Dixactol. Results look OK apart from the frames deliberately exposed at 1 stop under.

    11 minutes using the partial stand technique. Look forward to printing them in due course.

    Hoya 25 Red filter used. Will try a Lee 87 next time.

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