Switch to English Language Passer en langue française Omschakelen naar Nederlandse Taal Wechseln Sie zu deutschen Sprache Passa alla lingua italiana
Members: 71,945   Posts: 1,585,817   Online: 983
      
Page 1 of 2 12 LastLast
Results 1 to 10 of 13
  1. #1
    JWestern's Avatar
    Join Date
    Dec 2010
    Shooter
    35mm
    Posts
    18

    Omega D2 problem - spotty prints / condenser issues

    Hey everyone,
    I recently acquired a dusty old D2, which I cleaned up and have just got around to testing it out. I'm getting really spotty prints, with lines in them that matched up to the larger condenser lenses, i switched them around and got some better results putting the nicer lens closer to the negative and the bad one further away. I think the person who gave it to me had it sitting in their garage through many cold winters and hot summers, causing the glass to damage. Holding the condenser lenses up to the light there are many specks and tiny air bubbles in the glass.

    I'm wondering if replacing my 75w bulb with a brighter 125w if it will help cut through some of the imperfections in the condenser lenses, or if I should invest in some new lenses all together?

    Thanks
    Joe

  2. #2

    Join Date
    Oct 2009
    Location
    Central Florida, USA
    Shooter
    Multi Format
    Posts
    4,086
    I have two D2.

    My condensers have bubbles and specs as well but they do not show up on my prints. When I got mine, I took it apart and cleaned everything including the condenser. No, brighter bulb won't fix it and will give you another problem. Omega says if you are going to use a bulb greater than 75 watts, you have to use heat absorbing glass and an active ventilation. Your film will bake and pop without them.

    How bad is your condenser? Which size? (what's the diameter?) Where are you? I might have a spare. I'll have to look.
    Develop, stop, fix.... wait.... where's my film?

  3. #3

    Join Date
    Jun 2003
    Shooter
    Large Format
    Posts
    16,888
    i've never done this, but
    have heard of people doing this over the years ...
    if you can find a acrylic / plexi guy to cut you a disk of diffusion plexi
    stick that in your condenser sleeve first, then your lenses.
    the plexi will diffuse your light and you won't get the scratches &c ..
    ( or so i hear )

    YMMV

    john

  4. #4
    Bill Burk's Avatar
    Join Date
    Feb 2010
    Shooter
    4x5 Format
    Posts
    3,591
    Images
    46
    I had the problem with bubbles and defects in the condensers of my DII.

    Somewhere I picked up another pair of condensers and between the four had a combination that did OK.

    I also had a glass shop cut a circular piece of opalite. That was pretty nice.

    But since then have switched to an Omegalite.

  5. #5
    JWestern's Avatar
    Join Date
    Dec 2010
    Shooter
    35mm
    Posts
    18
    i got rid of the small specs and lines by switching around the glass in the main diffuser, except for one somewhat prominent spec that turns up in all prints. it seems to be fine for 35mm, but the specs become quite visible again using a 135mm lens for medium format. no go on the brighter bulb then... im really considering a cold light head, but the time and cost of finding replacement bulbs for them seems like a nightmare... not to mention the issue with printing on multigrade, the whole thing sounds like a hassle. the main condensers are 6.5 inches, the variable condenser is 4.5, but is far enough away from the lens it doesnt SEEM to be causing problems. the condensers are full of many, many, many small spotty bubbles within the glass. im in north jersey.

    Bill, what stage of the DII did you insert the opalite? Also, mine is a variable condenser...
    Last edited by JWestern; 06-11-2012 at 01:05 PM. Click to view previous post history.

  6. #6
    JWestern's Avatar
    Join Date
    Dec 2010
    Shooter
    35mm
    Posts
    18
    The opalite or some kind of diffusion seems like the best bet along getting new diffuser lenses... Thanks for the response guys.

  7. #7
    JWestern's Avatar
    Join Date
    Dec 2010
    Shooter
    35mm
    Posts
    18
    UPDATE: I've actually had slight improvement tonight by "rotating" some of the imperfections in the condenser lenses out of frame... if that makes sense. Good luck to anyone else suffering the same problems... the Omega DII is a fantastic piece of equipment!

  8. #8
    Bill Burk's Avatar
    Join Date
    Feb 2010
    Shooter
    4x5 Format
    Posts
    3,591
    Images
    46
    Quote Originally Posted by JWestern View Post
    Bill, what stage of the DII did you insert the opalite? Also, mine is a variable condenser...
    It goes in the condenser housing first, followed by the condensers, so it ends up immediately above the negatives.

  9. #9
    ronlamarsh's Avatar
    Join Date
    Jan 2004
    Location
    Seattle Wash
    Shooter
    Multi Format
    Posts
    462
    Images
    16
    Quote Originally Posted by JWestern View Post
    UPDATE: I've actually had slight improvement tonight by "rotating" some of the imperfections in the condenser lenses out of frame... if that makes sense. Good luck to anyone else suffering the same problems... the Omega DII is a fantastic piece of equipment!
    I had the same thing with my D2 and discovered a pair of glass bubbles in the condenser lenses I rotated them out of sync and got them out of the frame but the best thing I ever did was get an Aristo cold lite
    No escaping it!
    I must step on fallen leaves
    to take this path

  10. #10
    JWestern's Avatar
    Join Date
    Dec 2010
    Shooter
    35mm
    Posts
    18
    ive been doing alot of reading on the aristos and zone vi cold heads... just isnt in the budget right now. seems like a real pain and expense to get replacment bulbs, and id be worried of it breaking if i had one shipped to me. are the issues with mg paper that much to worry about? ive also read that this problem is nothing to worry about with certain new bulbs.

Page 1 of 2 12 LastLast


 

APUG PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Contact Us  |  Support Us!  |  Advertise  |  Site Terms  |  Archive  —   Search  |  Mobile Device Access  |  RSS  |  Facebook  |  Linkedin