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Type: Posts; User: MauroBs

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    how to build Cooke triplet ??

    Hi, I'm projecting a strange camera build in the bottle.
    I just realize the first prototype but i have some problem with lens.
    The first experiment i use a russian enlarger lens 75mm with a...
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    First Cyanotype

    good result, it's exellent. i'd like the paper that you use.

    Bye
    Mauro
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    Other cyanotypes experiment

    Thanks GLSmyth, i read your paper about negative and seem like intresting and and i find very good work on your site.
    when i have some time i'll try your method.

    bye
    Mauro
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    Como Park - Cyanotypes from IR film.

    Wow beautiful image
    very good
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    Other cyanotypes experiment

    Hi, sorry if i reply only now, i have some problem before.
    Thanks for your appreciation and thanks for your advice.

    X earlj : Thanks a lot for this information because i'm going mad printing the...
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    My first foam large format camera

    Thanks to all for comment, i have a lot of problem with stability of cam because it's very light.
    I'm trying other lens, as soon as i have some result i post it.

    This camera is resulted from read...
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    My first foam large format camera

    other pic

    Attached files http://f295.f295.org/uploads/strada_padenghe_4257.jpg http://f295.f295.org/uploads/paesaggio_3565.jpg
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    My first foam large format camera

    other pic

    Attached files http://f295.f295.org/uploads/ingresso_castello_4944.jpg http://f295.f295.org/uploads/fiore_bianco_403.jpg
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    My first foam large format camera

    here the diaphragm and first picture

    Attached files http://f295.f295.org/uploads/sam_1188_4145.jpg http://f295.f295.org/uploads/finestra_castello_3225.jpg
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    My first foam large format camera

    Hi, i try to build my first 4x5 foam camera with meniscus lens. I have just open a a thread about it for calculate the expo time (http://f295.f295.org/uploads/Blah.pl?m-1292862777/ ), at this post u...
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    Anna in cyanotype (different paper)

    Thanks scheimfluger_77.

    Thanks Marv, I'll try do it better. I love cyanotype, it's simple altproccess and it's much faster than gum. Sure the result and the manuality it's different.
    I wanna try...
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    Other cyanotypes experiment

    Ani ruins
    (i sue tmax100 film for negative, the exposure for cyabo it was very long about 120 min with philips uv bronze lamp and it's underexpose. Usually with infilm inkjet print it's about 15/20...
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    Anna in cyanotype (different paper)

    On cotton canvans (so close but seem like good contrast after wash in water+ peroxide)

    http://farm7.static.flickr.com/6131/5963882300_5a086dcbef.jpg
    :: Guardo in su :: by Mauro.prandelli, on...
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    Film development in paper developer

    Your result seem like very good, beautiful black and definition without fog.

    Very good experiment.
  15. HOW develop Film in tray with paper chimical?

    Thanks for sugestion.
    I try paper developer on film in your minilab idea. I haven't very good result with foma 400 Iso. a lot of fog and negative very poor.
    I try with caffenol and it works very...
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    Design Help for Wide Lenses?

    Hi, about this argument i'm trying to build wide angle lens and i don't understand from what kind of lens i need.
    I explain better. I have some old lens, like Canon FD, and so. I think for make ray...
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    A Potter At Work-Homemade

    Wow its' very impact work. Beautiful effect of lens, very good work
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    4x5 meniscus lens camera

    Wow very intresting work. Very nice result, how do u use for shutter?

    It's greate. !!!!
  19. HOW develop Film in tray with paper chimical?

    Ciao to all.
    I'm very newbie with film developer and i'd like to try develop film 4x5. The problem is that i don't have a tank and chemicals for film. I have at home ILFORD MULTIGRADE developer and...
  20. Question - Perfect pinhole and paper sensitive

    Thanks Renon, i see your pic with pinhole camera on your flikr and it's very clear and on focus.
    But i have two more tecnical question
    - what is c in the formula?
    - why wavelenght is different...
  21. Question - Perfect pinhole and paper sensitive

    Hi to all, i have two question about the pin hole and you are the best "pinholler" that i find.

    1- i usually use the pinholedesigner of pinhole.cz for calculate the hole and focal lenght, but when...
  22. My first boxCam How can i find exposition time?

    Thanks a lot for your advice, is was very usefull, if i have time i'try to shot.
    Thanks a lot.
  23. My first boxCam How can i find exposition time?

    Ok thanx, i found that my aperture is f7, at max extension of, and i understand that if i squeeze more i recalc it right?
    Now i'm doing some diaphragm for extend DOF.
    Thanx for all.
  24. My first boxCam How can i find exposition time?

    Thanx for the istruction, now i think that i try to find my fstop.
    I think that i use paper for experiment.
    Usually i take 100 ISO for paper speed, it's right for you?
    Or paper speed is less?...
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    Franken-Shutter

    Wow it's beautiful shutter,i'm searching some ideas about building of shutter for my cam and something like this is very good.
    thanks for the pics.
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