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  1. Replies
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    Re: testing for film speed (again)

    to IC-racer
    Thank you, your post made me take the right track.
    to Michael R, WillWilson and Neal Chaves
    thanks for your contribution.
    to Doremus Scudder
    thanks for helping to keep my feet on the...
  2. Replies
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    Re: testing for film speed (again)

    Ok I think I have got the answer to the question I asked:

    (The question: How do I calculate an exposure for zone X for the fomapan 100 exposed for the box speed (100 ISO) in the above illustrated...
  3. Replies
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    Re: testing for film speed (again)

    Thanks everybody for your help. I have indeed used the method in AA the Negative first thing, and I got and EI of 40 ISO, I also tried BTZS method (after having read the book) but the result was...
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    testing for film speed (again)

    Hi, I know the topic has been discussed before and I have studied lots of posts (and books). Anyway as I've always been a slow learner I have some doubts.

    I want to test Fomapan 100 in Rodinal...
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    Re: testing spot lightmeter

    Thank you for all suggestions. Some months ago, when I made tests for film (fomapan 100 classic, Stouffer step wedge, BTZS procedure) I got consistent charts (I suppose). It's when I use the data in...
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    Re: testing spot lightmeter

    It still works, but now and then I get mistakes (the problem may be with me). I've gone through a couple of papers which made my doubts increase (Ctein, Post Exposure and Exposure Metering by Jeff...
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    Re: testing spot lightmeter

    Thanks for answering
    It's a Pentax digital spotmeter. I cannot test by comparing because I have no other trusted meters.
  8. Replies
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    testing spot lightmeter

    Hello, I want to test my lightmeter. Is there a forum where the topic was already dealt with?
    Thanks
    Luigi
  9. Replies
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    Re: Large Format Landscapes

    https://lgiancri.altervista.org/blog/wp-content/uploads/2021/07/0118-1536x1109.jpeg
  10. Replies
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    Re: Still Life, 2021

    217890
    Toyo 45a symmar 135
    rodinal 1+25
    scanned from print with flatbed epson v500 - no software manipulation
  11. Thread: Just Leaves

    by quigon
    Replies
    962
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    391,320

    Re: Just Leaves

    217825
    Toyo 45a - symmar 135
    developed in Rodinal 1+25
    scanned from print with Epson V500
  12. Replies
    17,113
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    6,926,650

    Re: Large Format Landscapes

    217818
    near home - southern Italy - it's called "Costa dei trabocchi"
    Toyo 45a - Symmar 135
    ilford fp4+ developed in Rodinal 1+25
    scanned from print with Epson v500
  13. Thread: Just Leaves

    by quigon
    Replies
    962
    Views
    391,320

    Re: Just Leaves

    217782
  14. Replies
    17,113
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    6,926,650

    Re: Large Format Landscapes

    to John Kasalan thank you
  15. Replies
    17,113
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    6,926,650

    Re: Large Format Landscapes

    217767
    just one more
    fp4+ developed in Adox Rodinal 1+25
    scanned from print with Epson v500
  16. Replies
    17,113
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    6,926,650

    Re: Large Format Landscapes

    217766

    homemade wooden 8x10
    fomapan 100 developed in Adox Rodinal 1+25
    printed on Fomaspeed Variant 311
    scanned from print with flatbed scanner Epson V500 - absolutely no software manipulation,...
  17. Re: Diy tripod, plans, advice and links to plans please

    I built a wooden tripod some years ago.

    https://lgiancri.altervista.org/blog/large-format-camera/tripod/

    It seemed quite alright, but when I did what Ansel Adams suggested in his book (catch...
  18. Re: My LED enlarger lightsource instructions / Complete parts list and build

    Thank you very much
  19. Re: My LED enlarger lightsource instructions / Complete parts list and build

    Hi, thank you for sharing your project and ideas. I'd like to use leds for a 8x10 enlarger which matrix should I buy to cover 8x10 area? I feel more comfortable with raspberry pi, do you think your...
  20. Re: Profisix -luna pro relationship between EV and ISO speed

    Hi thank you for the clear explanation. I've also discovered that my 2 lightmeters work differently. Of course one is a spotmeter (pentax digital) the other is not (profisix-luna pro). What is more...
  21. Profisix -luna pro relationship between EV and ISO speed

    Hello, I've just discovered that my Gossen Profisix meter (Luna pro) produces the same couple f number-shutter speed once I set the EV. For Example if I set EV 4 at 100 ISO I get f 16/ 15 seconds. If...
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    Re: Show us your home made camera...

    I needed a lighter camera, as I can no more carry heavy bulky 8x10 cameras (I've got a fantastic Sinar 8x10).204758204759204757204760

    it weighs only 2.5 kg (without lens)
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    Re: tray developing: which timer?

    I looked for a Gralab, but they seem to be sold only in the USA. I thought about one of the light-tight trays, but eventually I've bought a timer. This one 192645 which is available in Europe and...
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    Re: tray developing: which timer?

    Wow, lots of suggestions and ideas. Thanks everybody. I think I 'd like to get one of those light tight trays. I have to find a suitable one in Italy (that's where I live). Alternately I may stick to...
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    Re: tray developing: which timer?

    Extremely interesting, thanks very much
    Luigi
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    tray developing: which timer?

    Hi everybody,
    I do much of my film developing in trays, in complete darkness. I have to check the time for proper agitation, so a simple acoustic timer won't do. Is there a timer which shows the...
  27. How to open the front cell of a 360mm apo ronar?

    How to open it?
    I managed to unscrew the front group, but it seems there is no way to separate the two components of the front group. Are they stuck together?
    Please help: I desire to remove...
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    Re: omega lens cones produce reflection

    Here are two images to show the effect (hope it is visible) and the inside of the cone that is matt painted black
    177582177583
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    omega lens cones produce reflection

    Hi everybody.
    Last year I bought an Omega enlarger at a reasonable price. Now I'm fighting with lens cones. I use both 135 and 150 mm lens and luckily manage prints with a single lens cone (the one...
  30. Thread: jobo 4531

    by quigon
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    jobo 4531

    hello. Can a Jobo 4531 accept a 2509n reel?
    Thanks. Luigi:confused:
  31. Replies
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    film tests how to?

    Hello. I'm going to run tests fp4+, hp5+ and delta 100 for the correct sensibility, n+1 and n-1 developments (procedure as described in A.Adams books). I usually use 4x5 and 8x10 formats for my...
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    Re: open tray developing times

    thank you everybody:)
  33. Replies
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    open tray developing times

    Hello everybody. So far I have developed FP4+ (4X5") in Ilford ID11 following the times suggested by ILFORD. I have always used a Jobo daylight tank.
    Now I want to turn to developing in trays. ...
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    Re: new 8x10 enlarger

    I managed to find a heat absorbing screen and bought compact fluorescent lights. I was impressed by the detail that these new ones are "fast start" lights. This means that they can be used with a...
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    Re: new 8x10 enlarger

    As I promised, here are some pixtures:
    1) the enlarger in all its splendour;
    2) the rail
    3) the effect of heat on a sheet of plastic
    4) the 4x4 grid of lights

    :D quigon
  36. Replies
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    Re: new 8x10 enlarger

    I visited the site of Aristo industry and I discovered that an 8x10 cold light head only costs $ 2538.
    I don't want to upset :( anybody, but I spent less than 100 euros till now (not including the...
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    Re: new 8x10 enlarger

    Thanks everybody!
    I can't show any pictures for now, as I own no digital camera, (I'll borrow a friend's).

    Anyway, the arrangement of the bulbs is 4x4. Each bulb is 40w. Between bulb and bulb...
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    new 8x10 enlarger

    hi everybody. I have finished to build an 8x10 b/w enlarger. I used the book by Ansel Adams as a guide. It is horizontal. I used a couple of opal plastic layers for diffusing the light of 16 normal...
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    Re: manual for pentax spotmeter III

    thanks Nick, I found a couple of instruction manuals (two different types of spotmeter but practically the same as spotmeter III) on the Pentax USA website.
    Quigon
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    manual for pentax spotmeter III

    hi I've just bought a Pentax spotmeter III. Where can I find a manual for it?
    thanks
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