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  1. Replies
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    Re: Old Glass, New Fun

    13x18 sheet, developed in stearman press 810 tank. initial agitation was maybe a bit more than 30 sec. edge effects didnt seem overly pronounced on a quick glance on the wet sheet. presoak was 3...
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    Re: Old Glass, New Fun

    today i have developed fomapan 100 in 1:100 r09 for 30 min, 30sec initial gentle agitation, 10 sec after 10 and after 20 min. result is beautiful, and yes, separation in the shadows and midtones is...
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    Re: Old Glass, New Fun

    Thank you for your detailed answer. it is very good to read all this. i have been using semi and stand development since years occasionally in r09, i do love pyrocat hd in combination with fomapan...
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    Re: Old Glass, New Fun

    i do partially agree. but you are misusing the terms expansion and separation in my opinion.
    stand development ist definitely not expanding the
    overall tonal range as it is a contracting technique...
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    Re: Old Glass, New Fun

    (semi) stand development expands tones? thats new to me, i always thought it is rather a technique to compress the tonal range. can you elaborate?
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    Re: Spirit Photography: History and Creation

    Oh, i missed this. Any chance to watch/listen?
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    Re: Imagon 250 compound copal exchange?

    Thank you everybody.
    I have sent a message to the seller and i hope he can tell me the thread sizes, so guessing wont be necessary.
    Its 330 dollars after all.
    Cheers,
    Chris
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    Re: Going Wide on 5x7

    +1
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    Imagon 250 compound copal exchange?

    hello there.
    I am considering to buy a imagon 250 in a broken compound shutter.
    Are the lens cells fitting into a copal 3?
    Merci
    Chris
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    i have tested the rodagon 210 vs apo ronar (240) apo germinar (240 and 300) and the rodagon had better sharpness and contrast.
    thats what i found out for myself in a perfectly aligned setup doing 12...
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    ok. thanks.
    i just thought that the 360 would use the center part of the lens, so even wide open or one stop down it might stay within the better circle of the lens and therefore outperform the...
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    thank you for your detailed reply with all the pictures.
    kind regards and happy new year!
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    hello bob!
    tx for your reply.
    enlarger is perfectly aligned on all levels using lasertool.
    glass carrier of course.
    center sharpnes seems to decrease slightly when stopping down two stops. but...
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    Hello. did 2 prints with this setup. print size is 200x150 cm which is in fact 11 point something times enlargement.
    doing 60" wide means horizontal? that would be 8times.
    makes a difference i...
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    Re: Rodagon-G 360 for enlarging 5x7 12 times

    i just did 12 times with ordinary rodagon 210.
    had to use several neutral grey gelatins to bring expose down to 7 seconds (!)
    led changes the world of enlarging. but be careful with the...
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    Rodagon-G 360 for enlarging 5x7 12 times

    hi there.
    given the light is not an issue (very powerful led)
    how will such a lens perform when going 12x compared to a naturally suitable 210 or 240 of the same type.
    negative size is 13x18 (5x7...
  17. Thread: My Dream lens.

    by chris77
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    Re: My Dream lens.

    very interesting results.
    its a prototype?
    can we get a picture of the lens itself?
    chapeau!
    Chris
  18. Re: vignetting

    thank you ridax. very interesting all that!
  19. Re: Difference between G-Clarons and Blue Dot Trigors?

    sorry, but why dont you just google it? plenty info available.
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    Re: Paper Chemicals for Mural Printing?

    +1 for tray development.
    5 litres of developer in 2 buckets, splash and move with hands (gloves) or large brushes/wipes/sponges. works better with a helper.
    bob carnie is right, flow marks are the...
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    Re: Arca Swiss Camera

    sexy
  22. Re: Short Film "Sharing the Light" featuring Bob Kolbrener

    wow. i find it kind of dull, all the well sought angles and excessive slomos aside. kolbrener seems to be a very nice and also interesting character though. thanks for sharing. is this advertisement...
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    Re: 210 G Claron Aperture Scale

    my advice: get a caliper gauge, divide the focal length by the different fstops (f.ex. 210/9, 210/11 etc..) and match the results, mark the positions of the aperture lever with a marker pen....
  24. Re: boyer beryl 180 f6.8 should fit #1 but doesnt??

    hello dan!
    thank you for your reply.
    in this casre i will return it, as i have quite a few barrel lenses i am not using enough and as i work with 5x7 loosing ic by frontmounting is not an option....
  25. boyer beryl 180 f6.8 should fit #1 but doesnt??

    hello.
    i bought this lens (sn 490101) in black barrel in great condition.
    cells threads equally sized, back cell would fit copal 1 but cell thread cannot 'reach' shutter thread, front cell too...
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    Re: 240mm lens for 8x10"

    very good thread.
    i have been busy acquiring 'groovy lenses' dagor clarons, ektar, heliar. and i love them and how they render what i see.
    but i have to say that i more and more often enjoy the...
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    Re: spacer brass ring confusion

    tx doremus. on ebay we cant be sure if lenses are still in their original shutters. i will keep everything as is instead of messing around without the hardware to test.
    regards, chris
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    spacer brass ring confusion

    sounds like a jazz band.

    well, i have meanwhile several fine lenses. and yes, it is difficult to not develop an obsession. but thats another story.
    the 210 sinaron, which is a apo sironar n...
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    Re: g claron 150 in prontor svs?

    short answer: no. its not the right shutter for the lens. synchro compur/copal 0 is a perfect match.
    chris
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    Re: g claron 150 in prontor svs?

    of course! thanks for pointing it out!!
    chris
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    g claron 150 in prontor svs?

    hello.
    i have a g claron 150 in barrel and want to mount the lens cells.
    its obviously a copal 0 fit. it does also fit in the prontor svs i have here, but i am wondering if the spacing would be...
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    Re: is this super angulon 121 fully open?

    hello louis.
    the term shutter blade is also in use, easy..
    it was no problem to push the blade back in position, gently, just using a screwdriver and a finger without dismantling it. this has not...
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    Re: is this super angulon 121 fully open?

    well, i mentioned this in my original post, seems no one reacted so far, but thanks, now its come up.
    shall i try to push it back in, and if so, in which position of the aperture?
    now that u...
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    Re: please help me open this lens (dynar 18cm)

    it worked out perfectly.
    this lens is now a gem! hard to believe its over 100 years old.
    i am very much looking forward to mount it on my toyo 5x7.
    i cleaned the fungus with isopropylic alcohol...
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    Re: is this super angulon 121 fully open?

    no, mine is a usual synchro compur.
    i am wondering how to adjust the aperture. maybe i should do some testing, leaving everything just the way i got it..
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    Re: is this super angulon 121 fully open?

    thanks for verifying!
    any ideas how to change that, in other words how to adjust the aperture setting on a synchro compur?
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    is this super angulon 121 fully open?

    hello.
    i have 2 questions regarding this lens.
    is the synchro compur correctly adjusted? is this lens open lile this (pic1) at f8?
    and how about the shutter blade (pic2) is this normal? its the...
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    Re: please help me open this lens (dynar 18cm)

    tx. thats helpful.
    so its just a matter of force and controlled movement. the name ring can stay on. got it.

    i will give it a try tomorrow.
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    Re: please help me open this lens (dynar 18cm)

    170479
    170480
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    please help me open this lens (dynar 18cm)

    hello.
    i have bought this lens, and it is in ok condition. rear lens is very nice, front group needs cleaning.
    its a heliar design .
    do i approach it by unscrewing the ring in the front (pic 1) ...
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