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  1. Replies
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    Re: Determining film speed.

    I've used Phil Davis BTZS tubes for years in 4x5 and now starting 8x10. Minimum developer per 4x5 is 2 oz (60 mL) and for one 8x10 sheet it's 4 times as much - 8 oz (240 mL). As far as dilution, I...
  2. Re: How can I tell if my Beseler 45MXII is capable of taking a turret?

    45 MXT manual at http://backglass.org/duncan/darkroom/beseler_45mxt.pdf it talks about mounting a turret.
    Cheers
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    Re: Images shot on X-ray film

    You have the most interesting imagination. Thank you for posting your many images in this thread.
    Mike
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    Re: Using iphone apps for lightmeter

    No way to use these apps as an incident meter I suppose?
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    Re: Ethnic Portraiture

    Sally Mann. Surprised she was not mentioned yet.
    One of my all time favorites.
    "At Twelve" certainly has a theme http://sallymann.com/selected-works/at-twelve...
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    Re: Images shot on X-ray film

    Kodak recommends a dark red GBX-2 safelight filter, which absorbs everything less than 600 nm wavelength:
    94205

    A red LED bulb costs less than $5 and transmits little if any light less than 60...
  7. Thread: Safe light

    by md99
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    Re: Safe light

    1. A red LED bulb is safe for xray. Kodak tech info sheet recommends 15 watt bulb with kodak GBX filter which is dark red I think?
    2. See thread here "Images shot on Xray film". On the first page...
  8. Thread: 4x5 Film Drying

    by md99
    Replies
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    16,663

    Re: 4x5 Film Drying

    I searched on dental film hangers and found these. I've used them for a while and they work great. Notice the curved hook on one end and a pointed clip on the other which holds the very edge of the...
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    Re: Post your wacky lens ads, auctions, sales!

    3 Photography Darkroom Devolping Wheels Carousels I dunno about youz guys, but I develop ALL my films in a squirrel cage.
    Cheers
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    Re: Film speed testing

    +1
    Don't bother with Adams' method. Davis method is much superior.
    You do not need to test for each lens or each aperture. Film speed is determined by 1. film type and 2. development (developer...
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    Re: Why are my pictures not crisp

    You need a depth gauge that can give a precise measurement of the distance between the lens side of the film holder and the film plane (darkslide out and scrap piece of film (or developed negative)...
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    Re: Why are my pictures not crisp

    I suspect that the film doesn't occupy exactly the same spot that the ground glass did. I had a repairman fix this. Brought him the gg back and a loaded film holder.
    Cheers!
  13. Thread: Closing a thread?

    by md99
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    Re: Closing a thread?

    You are right, I did not look closely enough; most posts ARE prefaced appropriately.
    Mike
  14. Thread: Closing a thread?

    by md99
    Replies
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    Re: Closing a thread?

    OK thanks.
    I wasn't suggesting the mods do it. On another blog I follow, the ability to close a thread is included under "Administrative" and is available to the OP in the Buy/Sell forum only....
  15. Thread: Closing a thread?

    by md99
    Replies
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    Closing a thread?

    hello,
    Is it possible to close a thread or edit the title?
    In the Buy/Sell section I often end up opening things that are gone already.
    Thanks.
    Mike
  16. Thread: Safelights

    by md99
    Replies
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    Re: Safelights

    Hmmm... I'm looking at a red LED bulb at http://www.superbrightleds.com/moreinfo/small-par-series/par20-bulb-rgb-e27-base-25-degree/418/ with the following emission spectrum claimed. If MG IV is...
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    Re: Best 4x5 Developing Tank

    Not sure what you mean. I've used BTZS tubes for years and I do not see this type of issue.
    Cheers!
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    Re: What is your favorite Kodak glass?

    93076
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    Re: Crown Graphic....some questions

    http://graflex.org/ may be helpful.
  20. Thread: April portraits

    by md99
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    Re: April portraits

    I love this picture. It is very soulful.
    Mike
  21. Replies
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    Re: X-ray Film example and comparison.

    So you can develop and handle under red safelite?
    (Sorry this is all new to me)
    Cheers
    Mike
  22. Replies
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    Re: X-ray Film example and comparison.

    I would prefer to use 8x10 BTZS tubes also. Do you strip before fixing? after washing? (Sorry if this has been described already, I am still working my way through this monster thread!)
    Thanks, Mike
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    Re: BTZS Expo/Dev Software Survey

    David-
    Plotter is one of my all-time favorite programs. Used it extensively. Thanks very much for a great bit of software.
    Mike
  24. Thread: Focus questions

    by md99
    Replies
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    Re: Focus questions

    Online calculator at http://www.dofmaster.com/dofjs.html

    Inputs:
    Film format (8x10)
    Lens Focal length (300)
    Selected stop (f/45)
    Subject distance (I put 25 feet in)

    Press calculate; Gives...
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