Search:

Type: Posts; User: Fr. Mark; Keyword(s):

Page 1 of 18 1 2 3 4

Search: Search took 0.02 seconds.

  1. Replies
    821
    Views
    616,389

    Re: Show us your home made camera...

    Wow,that's an amazing set of photos! I like how it renders people, and wish they didn't go by so fast in the video. I imagine I'm not alone in wanting to know the tech specs i.e. lens used, f-stop,...
  2. Re: Use of X-ray film: technical discussion with example images

    Testing old shutters is smart!
    The “green” refers to spectral sensitivity range and was intended to let the medical user know what kind of film holder with what specific phosphor lining to use to...
  3. Re: Use of X-ray film: technical discussion with example images

    I have trouble remembering the distinctions between Western from Southern and so-on for the "blots." They are used for finding and analysis of cellular components in molecular biology. usually the...
  4. Replies
    4,108
    Views
    2,614,554

    Re: Show off your Large Format camera!

    I'm glad to see some new posts here. One of these days I'll take a picture of the parts I salvaged from a printing shop when, after ~75 years, they went out of business: the bellows and lens from...
  5. Replies
    1,169
    Views
    575,044

    Re: Paper negatives

    Wow! Very, very nice set-ups! I'd been thinking about buying a nice microscope with binocular/camera head, but it hadn't thought of large format films. Very inspiring!
    That looks like a set of...
  6. Replies
    1,169
    Views
    575,044

    Re: Paper negatives

    "I hope to try to develop to positive sometime soon. I know there is a technique."

    More/less you need a dried paper negative and a piece of glass to smash it flat against another piece of photo...
  7. Replies
    1,169
    Views
    575,044

    Re: Paper negatives

    Good stereo effect!
  8. Re: Use of X-ray film: technical discussion with example images

    I find myself wondering if Infra Red lights and night vision goggles might not be the way to go for making film and developing.
  9. Replies
    4,108
    Views
    2,614,554

    Re: Show off your Large Format camera!

    [QUOTE=Tin Can;1602993]Whole Plate kit, everything except the lens

    ANBA IKEDA which I think is a KODAK copy

    6 very usable Book Style holders for plate with film sheaths

    I holder will become...
  10. Replies
    4,108
    Views
    2,614,554

    Re: Show off your Large Format camera!

    These are very elegant!
  11. Replies
    51
    Views
    11,856

    Re: Should I build a LF TLR? What would it take?

    Daniel, that's an amazing set-up! I imagine that is a lot of fun to use. I've only tried a few LF portraits with a Busch Pressman D (4x5), Sinar (5x7) or an 8x10 field camera and have had v. mixed...
  12. Replies
    913
    Views
    266,000

    Re: how old are we?

    You are only 63,115,200 older than I am! I did not correct for leap years. Did you?
  13. Re: Use of X-ray film: technical discussion with example images

    I agree with Tin Can about Caffenol. If it works for you, great. However, the more reliable Caffenol recipes in my extremely limited experience have Vitamin C in them. I'm pretty sure that Vit. C...
  14. Replies
    913
    Views
    266,000

    Re: how old are we?

    see Denise Ross's website, the light farm or similar, it has a lot of good information about making films incl. ortho and pan chromatic films iirc. Supplies can be purchased from Photographer's...
  15. Replies
    14
    Views
    2,100

    Re: Wet plate on Astronomy Picture of the Day

    y'all need to follow that link, there are TONS of great images there, I could spend a lot of time I don't have going from one link to the next!
  16. Replies
    94
    Views
    21,686

    Re: 2021 Self Portraits

    Randy, color film or colored B/W or ??
  17. Replies
    154
    Views
    68,413

    Re: LED UV Light Box: Build Your Own for Under $150

    Thanks for resurrecting this. It is getting harder all the time to find "proper" fluorescent lights of any kind. I'll continue to use my 6 x 18" bug zapper bulbs until I can't, but it's good to...
  18. Replies
    81
    Views
    8,579

    Re: Which are the fancy lenses??

    Sounds like a reasonable approach. Once you get going in 4x5 you might want bigger contact prints and then those lenses will seem a lot "shorter." I got to borrow a 75mm (I think that was it) for a...
  19. Replies
    94
    Views
    21,686

    Re: 2021 Self Portraits

    It is fun seeing some of y'all on this thread. Sorry I don't have an easy way to reciprocate. If I dug out my 4x5 notebook, I have one of me in my basement several moves ago whilst testing film...
  20. Replies
    14
    Views
    2,100

    Re: Wet plate on Astronomy Picture of the Day

    I'm amazed. I've snapped a few iPhone pics through my scopes and some friend's scopes but I never thought to mount an 8x10! Amazing!
  21. Replies
    94
    Views
    21,686

    Re: 2021 Self Portraits

    Way cool Randy!
  22. Replies
    10
    Views
    1,288

    Re: Developing old films

    I'm trained in the sciences (chemistry), the mad artist part of photography fascinates me along with the chemistry!
    Seriously though, I developed some 1956 expired film a few years ago, so call it...
  23. Replies
    81
    Views
    8,579

    Re: Which are the fancy lenses??

    Or we could sort of go the opposite direction: lenses repurposed for LF, i.e. close-up "filters" or positive meniscus lenses, perhaps with Waterhouse stops, old projector lenses, some are Cooke...
  24. Replies
    14
    Views
    2,100

    Re: Wet plate on Astronomy Picture of the Day

    Wow! What scope mount did y'all use to facilitate tracking? I'm initially assuming the 8x10 camera is stationary. I recall seeing a mount on the Stellafane website where the axis corresponding to...
  25. Re: Use of X-ray film: technical discussion with example images

    I don't think coating with nitrocellulose would work. It is waterproof once dry, so you would not be able to develop the films. Maybe it could be used as a protectant after development, but the dry...
  26. Replies
    4,108
    Views
    2,614,554

    Re: Show off your camera!

    I got started in LF fairly similarly, in my case it was a Busch Pressman D. The old press cameras can teach people a lot and are a lot of fun in their own right.
  27. Replies
    8
    Views
    1,445

    Re: Putting together lenses from scratch

    Thank you! yes, exactly that book!
  28. Replies
    8
    Views
    1,445

    Re: Putting together lenses from scratch

    there's a book, the title of which I thought was primitive optics, which a couple moves ago I borrowed from the library, perhaps through interlibrary loan. but I can't find a citation to it in...
  29. Replies
    614
    Views
    213,818

    Re: Post Your Photos Made At Close Distance

    We have a very similar apple peeler/corer/slicer that clamps to a surface instead of vacuum. My adult kids used it to make an apple pie this Thanksgiving. I think it is too much of a pain to clean...
  30. Replies
    1,169
    Views
    575,044

    Re: Paper negatives

    Emil, that hand colored print is amazing! Is the underlying image a platinum print or ?
  31. Replies
    10
    Views
    3,639

    Re: Wooden Vacuum double - sheet film holders

    I doubt that film holders will hold a vacuum well enough to need a bleed valve.
  32. Replies
    18
    Views
    3,428

    Re: ULF film flatness idea

    I'd seen that Ilford makes rolls of printing paper still. That won't work for UV contact printing.

    Life does get consumed with darting about chasing lots of ideas, but sometimes that's exactly...
  33. Replies
    18
    Views
    3,428

    Re: ULF film flatness idea

    Another crazy question then, what about roll film for ULF/LF? That would require a vacuum back as adhesives would stop the film motion. The military used LF or ULF film rolls for aerial...
  34. Replies
    18
    Views
    3,428

    Re: ULF film flatness idea

    The camera that the bellows came out of was a graphic arts camera with a v. heavy vacuum back. I'd do almost anything to avoid having to run a noisy vacuum pump---I might could live with a quite one...
  35. Replies
    14
    Views
    3,018

    Re: What to build next?

    Once upon a time, maybe 5-6 years ago I rescued a 1/2 plate camera from craigslist and restored it. One of the included items was an early shutter to be used behind the rapid rectilinear lens. It...
  36. Replies
    18
    Views
    3,428

    Re: ULF film flatness idea

    Vaughn,

    The low tack adhesive spray makes a lot more sense to me than always pointing the camera straight up!

    I have this tendency to go to the most complicated process I guess.
  37. Replies
    14
    Views
    3,018

    Re: What to build next?

    My vision? Tough. I’m trying to decide what the compelling reason is to do ULF when 8x10 or cropped 8x10 seems like plenty most of the time.
  38. Replies
    14
    Views
    3,018

    Re: What to build next?

    Maybe this should be a separate thread, but if I built a ULF camera in the 20x24 class, thinking landscapes and portraits, what movements would y’all say are needed? Rise fall, and back tilt? Or also...
  39. Replies
    10
    Views
    3,639

    Re: Wooden Vacuum double - sheet film holders

    I feel silly asking if someone had tried this and you are making these already! What do they cost and what kind of vacuum do they require to work?
  40. Replies
    18
    Views
    3,428

    ULF film flatness idea

    About a week ago I took the "heart" out of a graphic arts camera at a print shop dating back to 1946 that is going out of business---the camera is, I think 1970's or 80's vintage, but I really don't...
Results 1 to 40 of 681
Page 1 of 18 1 2 3 4