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Thread: Paper negatives

  1. #801

    Join Date
    Feb 2015
    Posts
    46

    Re: Paper negatives

    Thanks a lot, Barry and Neil - ya, I was pretty stoked about how it turned out

    chassis - I scan the negative, invert the image but retain the original tones. No digital tinting for me - I just never seem to get it right that way (the tones always look garish)

    John - I bring the image into Photoshop and duplicate the layer. I invert the bottom layer and set the blending mode of the top later to color (and leave that top later uninverted, not that that's a word).

  2. #802

    Join Date
    Mar 2014
    Location
    Virginia, USA
    Posts
    74

    Re: Paper negatives

    Thanks, good info.

  3. #803

    Join Date
    Feb 2015
    Posts
    46

    Re: Paper negatives

    A couple of friends came over to play dressup so we could do a few portraits on a Deardorff 8x10 with a Kodak Ektar 12inch f4.5 lens. I shot these on Galaxy Hyperspeed paper which I rate at ISO 20. I wasn't getting enough light on my subject even with my Elinchrom strobe cranked to full power. I noticed the flash sync setting on the shutter has both an M and X and that I was on M. Perhaps taping it in the X position would help...


    Chantale by Don Kittle, on Flickr


    Esther by Don Kittle, on Flickr


    Esther by Don Kittle, on Flickr

  4. #804

    Re: Paper negatives

    Just started playing with paper again. Got a new (old) lens and made a shutter. Here is a shot with my Korona View 8X10, 7 inch unnamed Petzval, handmade guillotine/gravity shutter @1/45 sec
    Click image for larger version. 

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  5. #805
    Randy's Avatar
    Join Date
    Dec 2010
    Location
    Virginia, USA
    Posts
    1,299

    Re: Paper negatives

    ^
    Fantastic!
    https://dl.dropboxusercontent.com/u/52893762/bigger4b.jpg

  6. #806

    Join Date
    Apr 2014
    Location
    Central TX
    Posts
    517

    Re: Paper negatives

    Very nice!

  7. #807

    Re: Paper negatives

    Quote Originally Posted by Randy View Post
    ^
    Fantastic!
    Thank you!

  8. #808

    Re: Paper negatives

    Quote Originally Posted by Fr. Mark View Post
    Very nice!
    Thank you!

  9. #809

    Join Date
    Jun 2015
    Location
    Anglesey, North Wales, UK
    Posts
    416

    Re: Paper negatives

    Quote Originally Posted by lightchemist View Post
    handmade guillotine/gravity shutter @1/45 sec
    Can you please provide details on your shutter construction, operation and repeatability
    regards
    Tony

  10. #810

    Re: Paper negatives

    Sure. I made this shutter out of black foam-core initially as a prototype to test and also for the light weight.
    Click image for larger version. 

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    The piece on the left is the body, the hole is the same on both sides and fits over the lens snugly. The pieces on the right are the shutters, Different sized/length hole for different speeds. I didnt use math to figure out the sizes, just cut a slit about 2 inches long and started from there. I tested the speed with my dlsr, cut a slit half the length, tested again, etc. I was looking for 1/125th and the smallest slit happened to be it. I hold the bottom part of the shutter over the hole, pull the dark slide, drop the shutter,(i have a stop on the bottom to keep the shutter from falling out.) replace the dark slide.
    Click image for larger version. 

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    Here it is attached to the lens.
    It does okay on repeatability, but ideally I would want to make one out of wood with a metal slit. Right now, because I dont have the lens mounted properly, weight is an issue.
    This is by no means a precise or completely reliable shutter. I estimate exposures are +/- 2/3 stop, but since Im just playing around, its good enough for me.
    1/125th is the fastest I can get with this construction. I estimate I could possibly get 1/500 if it were made of wood and metal.
    Hope this helps!

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