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  1. Re: Alt-Process Prints from Digital Negatives or Positives

    170149
    First ok gumoil. The original is not so grainy. Maybe is the scanning process...
    I had already rendered it in cyanotype and carbon but that's my fav.
    Loving the process :)
  2. Re: Alt-Process Prints from Digital Negatives or Positives

    152293
    Cyan on Canson Montval acidified with Phosporic Acid
  3. Re: Alt-Process Prints from Digital Negatives or Positives

    Beautiful! What paper?
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    Re: Show us your home made camera...

    Hi, sestese:
    Really loved your clean project. I'm in the way of building a 6x17, considering carbon fiber. How do you focus her?
    Congrats!
  5. Re: Alt-Process Prints from Digital Negatives or Positives

    Still amazed!
    Please, give us more details in your process. Exposure, chemistry etc.
    Ideally a video in You Tube. ( just kidding):D
  6. Re: Alt-Process Prints from Digital Negatives or Positives

    Amazing!
    Sorry my ignorance but what's DR5...
  7. Re: Alt-Process Prints from Digital Negatives or Positives

    Thanks, ndg!
  8. Re: Alt-Process Prints from Digital Negatives or Positives

    This is a green tea toned cyanotype from a digital file, printed in Canson 55lbs Vellum.
    First try and I'm amazed with the almost zero stain in the paper and the deep chocolate black hue.
    As...
  9. Re: MF (6x6,6x7,6x9,6x12) B&W film images sharing

    Bruges, Belgium

    137991
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    Re: Miscl. Meniscii

    I'll post that even with the major boo boo: miscalculated the tank level. First timer...
    Got a Positive Meniscus, 142mm focal lenght, at Surplus Shed. Mounted behind a Copal OO., first shot wide...
  11. Re: LF image only, no written comments, reply by image only

    134765
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    Re: Post yer pinholes

    Wow, tack sharp for a pinhole.
    What's your "focal lenght"? And, please, tell me about your infrared camera inspection setup.
    Thanks.
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    Re: Hasselpin

    and the body cap does a nice job capping the body except for a tiny hole in the middle of it:)
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    Re: Hasselpin

    I use a constant of 1,56 in my calcs , O,3 mm aperture to 67mm F.L., which is pretty close to the focal lenght of the "Hasselpin", i.e. 73mm.
    Results seems nice to me.
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    Hasselpin

    Bought a body cap for my 500C and setted up a .3 mm ems aperture in it.
    Cool thing is that you can even frame if using the chimney finder - with lots of light- and choose to shot with a lens mid...
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    U.V Meter

    I don't know if you already checked this. Sounds useful.
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    151,354

    Re: Post yer pinholes

    Thank you gtmatias.
    Hey, show us more details of the shutter in your RAT camera!
    Bye
  18. Replies
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    Re: Post yer pinholes

    Windy day at the eucalyptus plantation:
    128960
    and a fence in the sunny dunes:
    128961
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    Re: Post yer pinholes

    Thanks!
  20. Replies
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    Re: Post yer pinholes

    The Botanic Garden in Rio de Janeiro, Brazil. If you happen to come here don't miss a visit to this peaceful oasis. And bring your camera!
    125663
    Homemade 4x5, 0,3 mm, fl 67mm.
    Arista Edu 100, Iso...
  21. Re: MF (6x6,6x7,6x9,6x12) B&W film images sharing

    Trying Light Painting, 20 something years ago. I don't remember the film, but it is a 6x7 neg on a Horseman back, cropped:
    125523
  22. Re: Alt-Process Prints from Digital Negatives or Positives

    Beautiful!
    I take a look in your website. Really impressive. I'm amazed with your body of work. Congrats!
  23. Re: Alt-Process Prints from Digital Negatives or Positives

    Kallitype from a digital negative over Canson Montval pre-acidified. Sodium Acetate developer, gold toned. The size of the original is aprox. 14 x 9,5 in.
    125254
  24. Re: Alt-Process Prints from Digital Negatives or Positives

    Great images!
    I love to mess with cyanotypes.I had tested a lot of papers and finally set at Canson Montval ( pretty inexpensive) pre acidified in a bath of Sulfamic Acid to neutralize the calcium...
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    Re: Images of mistakes - good or bad..

    Late in the night I was in my lab/bathroom tray developing a sheet of 4x5 mammography film pinhole when my neighbour started to have, I don't know, like, an asthma attack. As I positioned my ear by...
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    Re: 16x20 brazilian build

    Wow Guilherme! Now this is a project. Please keep posting your progress.
    Let me add/edit this:
    I had just shut off a wood shop and I still have a lot of tools and a CNC router that would be perfect...
  27. Re: Images shot on X-ray film

    Testing Agfa HDR-C mammo film. Shot with incandescent light. Parodinal 12 min. Toyo 45C, Schneider 210 Simmar S, f.8.
    Having problems cutting the 18x24 sheet in the dark. Lots of scratches here....
  28. Re: Correct safelight for Agfa HDR-C Mammography film?

    Thanks for the input, gents.
  29. Re: Correct safelight for Agfa HDR-C Mammography film?

    In red?
  30. Re: Correct safelight for Agfa HDR-C Mammography film?

    I'm taking a guillotine and taped a plastic rule over to serve as a stop. It worked first time but man...
    I had just developed a pinhole shot I did at my balcony. The sheet is washing as I type....
  31. Correct safelight for Agfa HDR-C Mammography film?

    Hi all,
    got a box of 18x 24 cm mammography film, Agfa HDR-C. I did two tests with yellow gelatine over a red bulb and with a bare red bulb, both more then one meter away, indirect lighting the...
  32. Re: Alt-Process Prints from Digital Negatives or Positives

    And this one, a try at kallitypes:
    124161

    Digi neg from a point and shoot camera at Lisbon, Portugal.
    Sodium Acetate developer over Canson Montval.
  33. Re: Alt-Process Prints from Digital Negatives or Positives

    Cyanotype from a digital negative:
    124160
    Burned forest (by some distracted camper) at Torres Del Paine National Park, Chilean Patagonia.
  34. Re: Anyone ever tried that with a Crown Graphic...

    Would be a rope tripod then?:)
  35. Anyone ever tried that with a Crown Graphic...

    ...or is it a waste of string?
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    Re: Angulon 90 f6.8 focusing

    Oh, thank you Ben. That was perfect.
    You know I'm doing this to myself just because you guys don't want to send me one of yours to me, here in Rio..
    No. Just kidding, I'm doing it because yours is...
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    Re: Angulon 90 f6.8 focusing

    hi Bob,
    flange focal lenght of the lens? I'm afraid i don't get it. How do I check that? I think I need a Lens 101 crash course.
    I found data about the lens here:...
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    Angulon 90 f6.8 focusing

    Hi,
    I'm in the process of building a 4x5 PS around a Schneider Angulon 90 f6.8 and found in the auction site a m42 focusing mount that travels 7mm from open to close. How do I calculate if this is...
  39. Re: Using Cedar wood for building a camera

    From the boat building days : if I remember well the wooden guys from the north half of the globe used to saturate western red cedar with epoxy resin to make strong and lightweight canoes and kayaks....
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    Re: Info on enlarger

    Hi Jose,
    I guess I'm chickening out on this. I don't want a restauration project right now. The price is around 350.00. And I'm not paying lunches in fancy restaurants these days. I only need 4x5...
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