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Thread: VAGEESWARI 8.5x15" film holder

  1. #1
    Randy's Avatar
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    VAGEESWARI 8.5x15" film holder

    I purchased one holder a year or so ago with the intention of fashioning an adapter back for my 8X10 camera so I could use this holder to shoot trimmed down X-ray film, with the end result being cyanotype prints.
    The holder is (I assume) a plate holder but it came with some DIY inserts so I can shoot film.

    Anyway, I have not gotten very far in my efforts (I have gotten no where).

    I am sort of rethinking before I even begin and I need some advice: Since I won't be able to buy any (X-ray) film in this format I would have to buy large and trim down. Naturally, I would want to minimize waste.

    What size of film, if any, is available for trimming to 8.5X15"?

    And if no film will work, is there a B&W printing paper size that would be a good idea to try for making paper negs?

    In other words, if there is no manufactured light sensitive material that I could use in this holder, why go through the effort of fabricating a back for my camera (questions I should have asked myself before purchasing the holder in the first place)...
    https://dl.dropboxusercontent.com/u/52893762/bigger4b.jpg

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    Re: VAGEESWARI 8.5x15" film holder

    hahahaha - exactly how all my 'projects' start

    good luck in your quest



    M.

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    Re: VAGEESWARI 8.5x15" film holder

    Looks like FP4 was cut to that size in the last Ilford run. There was also a special order run done in Europe but I can't recall the name of the manufacturer. My current plan is to cut 14 x 17 x-ray film into two 14 x 8.5 sheets.

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    Re: VAGEESWARI 8.5x15" film holder

    Thanks Paul - looks like that will be the direction I go - 14X17 X-ray film.
    https://dl.dropboxusercontent.com/u/52893762/bigger4b.jpg

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    Re: VAGEESWARI 8.5x15" film holder

    Thoughts on building an extension back for my 8X10 so I can use this holder:

    I fabricated a ground-glass back out of cardboard, taped a 4X5" ground-glass in the center and cut small corners out at the 15" mark so I could look thru them to see how the lens coverage looked.





    I have two lenses that look like they will cover this format at infinity:

    Apo-Nikkor 450mm (17.5")
    Seems to easily cover this format, though I have no idea what the image circle is.
    When focused at infinity the aperture is perfectly round in the corners at f/16 ground-glass back has to be about 8.5 from rear standard to avoid any vignetting when focused at max bellows extension which should enable focusing as close as about 6-8' from subject.

    B&L 11X14 1c (15.5 / 395mm)
    Looks like it will cover at infinity, but aperture is perfectly round when viewed thru the corners only at minimum aperture of f/32.

    My plan is to make the back out of plywood. I will also fabricate a ground-glass mounted in a removable frame so that it is inserted and removed just like the film holder.

    I will be shooting X-ray film and / or paper negatives. As for X-ray film, either 7X17 cut down to 7X15 - or - 14X17 cut down to 8.5X14

    I welcome any input or ideas - I am anxious to get started...all because of that damn 7X17 thread in the image sharing section...
    https://dl.dropboxusercontent.com/u/52893762/bigger4b.jpg

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