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  1. Replies
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    Re: Aerostigmat 10'' 250mm f/4.5

    I shoot a 12" f5 (?) Aerostigmat on my studio WP/4X5 Noba camera as one of the main lenses (with Packard shutter)... Great look, but the camera has 24" of bellows... And they are usually extended for...
  2. Thread: Bellows care?

    by LabRat
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    Re: Bellows care?

    Carefully rub with Mink Oil leather shoe polish...

    The stuff will penetrate the dry vinyl and make more supple...

    In the shoe polish department...

    Steve K
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    Re: How to open old Gralab 450 for repair?

    Did 'ya at least ask, or for some advice???

    Tell 'em you're not happy, and will post your woe online if they won't satisfy your service question... ;-)

    Usually all contacts need to be cleaned...
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    Re: How to open old Gralab 450 for repair?

    Check with George at Quality Light Metric... He was the repair station for some of the Gralab "clock"timers, but I'm not sure if he still does or what timers...

    Did you ask Gralab if they do, or...
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    Re: Linhof Cams - Special Tool Needed?

    I don't use the RF with my Tek III, but I leave a 90mm cam on it, as a cam must be on it at all times, or the camera does not open/close properly... The 90mm cam is the smallest/shortest for the...
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    Re: Meniscus lens iris "sweet spot"???

    Thanks Michael, great article!!!

    I will PM or email you soon to help clarify a couple of points I'm missing, but very useful!!!

    My new lenses are assembled, but need lensboards, aperture...
  7. Thread: Developer trays

    by LabRat
    Replies
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    644

    Re: Developer trays

    I generally use Paterson and Cesco trays for paper and film work, but still use old S/S and porcelain trays sometimes... They work well in a water bath when the lab is really cold, but don't like the...
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    Re: Tiny Black Specs on Arista EDU Ultra 100

    I had pinholes with acid stop bath... It can be from gases evolved in an acid environment from emulsion... Even in a very mild stop bath, it can happen... Read instruction sheet, but even in the very...
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    Re: Tiny Black Specs on Arista EDU Ultra 100

    Also, are you using a stop bath, or just water stop??? This made a difference...

    Steve K
  10. Replies
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    577

    Re: Tiny Black Specs on Arista EDU Ultra 100

    Regular user of EDU/Foma here, and had this issue with the 6X9 ISO film specks... Noted there might be film cutting issues leaving a sloppy edge with debris (esp around film notch cut-out area)...
    ...
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    Re: Harrison Jumbo Film Changing Tent - Sticky

    I was given some studio gear, including a couple of soft boxes that turned (seeming made from simular type of materials)... So I did some research and testing...

    First thing is to try to remove...
  12. Re: Super Chromega D Lamphouse Dichroic grade filter questions

    I have seen charts all over the map about MG filtration for the grades, but in practice it's been much simpler...

    I worked in many printing rooms, and the ones with colorheads, it always came out...
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    Re: Restoring 4x5 filmholders help

    If the main issue is remains of old stickers/tape on metal light trap covering causing lumps, they can be leveled out... If not painted, a little lighter fluid soaked into just that spot will loosen...
  14. Re: Strange glass seperation / dirt inside lens element / Need help to identify

    I know some large Telescope lenses are just air spaced and not bonded... Maybe that, but held together in cel???

    Steve K
  15. Re: What y'll know about cheap non shutter wide angle 75mm lenses

    I once bought a barrel 65mm/f8 JML industrial lens for 5 or ten bucks... Seems to be a SA clone... Still using it on 4x5/2x3 SG's with rear shutters...

    Steve K
  16. Re: What y'll know about cheap non shutter wide angle 75mm lenses

    Pinhole???

    Steve K
  17. Replies
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    Re: Restoring 4x5 filmholders help

    5-10 bucks each seems to be the going rate... Not bad unless you need a lot... Expect some duds though if you buy a #...

    Steve K
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    Re: Restoring 4x5 filmholders help

    True for a couple/few holders, but with a significant # batch of holders you end up with, seems a waste to toss into trash...

    Had 30ish nice holders I had permanent "loaned" out (loaning is the...
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    Re: Restoring 4x5 filmholders help

    The first thing to do with the holders is to "triage" their condition (most batches of old holders will have duds)...

    I'm assuming these are old wooden holders (Graphic/Lisco/Riteway ect wood???)...
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    Re: How Early Could It Have Happened?

    Didn't Barney Rubble have one of those "Polarock" cameras with the pecking bird going at the "plate", saying "It's a living"??? :-)

    Steve K
  21. Re: Contact Printing Large Format negatives with a Leica Focomat V35?

    Lens can still be OK without iris, as the 40mm Focotar is still deadly sharp wide open (unlike most all other enlarger lenses), and enlarger alignment is very good, so still usuable, just more...
  22. Re: Contact Printing Large Format negatives with a Leica Focomat V35?

    The old pro-lab trick was to focus the edge of neg carrier sharp on the printing frame, then throw the focus off a little which creates diffusion where dust and fingerprint shadows on top of printer...
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    Re: Film changing bag or changing tent?

    I use a large changing bag with a re-purposed file cabinet hanging file rack inside...

    Comes apart flat, just had to polish the ends so they wouldn't snag the inside of the bag...

    Can hold...
  24. Re: Contact Printing Large Format negatives with a Leica Fotomat V35?

    Mainly, it needs to be complete... 40mm Focomat Leica lens, proper negative carrier, color module (the thing in the back with the color or MG knobs), and overall good condition...

    If you get one,...
  25. Re: Contact Printing Large Format negatives with a Leica Fotomat V35?

    The board on the bottom of enlarger (where the easel goes) is the baseboard... The light should cover the contact print area well, but should not be a problem with this enlarger... But you can check...
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    Re: mounting gelatine filters between glass

    You might try looking up C Kenneth Mees (?) and the Wratten & Wainwright company... They invented gelatine filters (later sold to EKC, where Mees became chief scientist)... I have seen old photo...
  27. Re: Contact Printing Large Format negatives with a Leica Fotomat V35?

    The V35 is a diffusion box design and should be ok past 35mm frame... Their earlier 35mm enlargers would print the larger 127 film size, and I think there might be a carrier made for a slightly...
  28. Re: Can I put a Polaroid viewer on a Graflex Graphic View I?

    I use a GVII frequently (Graflok) and was given a couple of Polaroid MP-3 hoods that barely mated to each other, but noticed some other issues that can come up...

    The point that secures the hood...
  29. Re: What small lightweight lens for 4x5 backpacking?

    What focal length do you like???

    Steve K
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    Re: Beseler Universal 45 Assistance

    I have one of these units, but unused, in a box deep in storage somewhere, but only looked it for a minute or so, so I don't know the insides...

    Buzzing could be from a bad relay not making...
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    Re: Meniscus lens iris "sweet spot"???

    Great answers, thanks guys!!!!

    Steve K
  32. Replies
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    Re: Meniscus lens iris "sweet spot"???

    I think I read online that Thomas Dallmeyer had a "rule of thumb" of iris/lens distance of 1/5 of the FL, but this would surely limit IC, but haven't seen many "soup can" iris' on lenses, but haven't...
  33. Re: Any telephoto (360mm or above) recommendations for a 4x5 (TK45S)?

    When those heat convection waves start, all ultra-tele bets are off... A 400mm on a 4X5 of closer subjects might miss a lot of disturbances...

    Very long optics will pick up some strange stuff,...
  34. Thread: Avedon

    by LabRat
    Replies
    67
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    2,629

    Re: Avedon

    In the studio, I would re-purpose the front element as a mirror to look for highlights reflecting off of it to determine if there was a flare danger...

    The bright ones were lights...

    Steve K
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    Meniscus lens iris "sweet spot"???

    Hi,
    I'm putting together a couple of single meniscus camera lenses (about 250mm) for 4X5 shooting, and wanted to know if anyone has tried to optimize the distance from the front stop aperture and...
  36. Replies
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    Re: Cordless telephone for darkroom

    A professional printer with endless stacks of work l know had many very boring print sessions, so he took an old CRT portable TV, and covered the screen with a heavy layer of rubylith so he could at...
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    Re: Beseler 45MCRX motor struggles when raising

    First, take a tape measure and measure the height from each side of neg stage to baseboard... They should be exactly the same... If not, the gear shaft on the carrage/column in rear can jump a gear...
  38. Re: Excited to embark on Covid PT/PD testing...trails....newbie.....NEED TIPS!

    I would do some research now about price of rare metal components, as most of these come from Russia, where that facility had that big oil tank rupture, and I don't know if this has affected cost on...
  39. Re: Cooke Series II 12.75" Anastigmat - Disassembly, Stuck Focus Ring

    Old lubes can turn tar-like... Sometimes a stuck ring etc can be freed by a repeat application of lighter fluid, alcohol, acetone, silicone spray (containing acetone) applied with a hypo syringe in...
  40. Re: Mystery paper: Supre-Print ultra-rapid process stabilization paper

    No, you don't need stabilization processing, regular paper developer will work also...

    Stabilizer processing was the paper contained some developer in the emulsion, and when fed into a...
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