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  1. Replies
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    Re: Kodak vs. Rodenstock 135mm

    The 135mm WF is one of my go-to WA lenses, as the IC is large enough to slightly exceed the range of movements my 4x5 cameras provide, so can rise as much as I want without worrying about cut-off......
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    Re: Toyo 45 Field Camera back piece

    If you look at the GG focusing panel, you see the the arms that come off it, and near the panel side you see a little tab sticking out of them... There is the spring on the inside of the panel that...
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    Re: Alignment workflow (architechture)

    All of the elements you listed are correct, and you are looking at the right parameters, but these can be tricky...

    I'm thinking this is from a combination of two parameters... First, it is hard...
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    Re: I don't understand Rodinol...

    Yes it does... The contrast layer on MG is blue sensitive, so this allows more blue... (Magenta has blue in it, so adding it cuts green, but adds blue...)

    X-ray prints contrasty for many users of...
  5. Re: Easy fix that makes a 4x5 Gowland-Calumet Pocket View less fiddly and easier to

    They make knobs that press fit over standard head Allen bolt heads out of plastic that would work also... Pretty cheap from a bolt supplier...

    Steve K
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    Re: Confused by lens math

    Also, be aware that SF lenses might have an increased flare/fog level in under actual shooting conditions the exposure might be (usually) even more light, so you might have to calibrate a new scale...
  7. Thread: Marble caverns

    by LabRat
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    Re: Marble caverns

    I'd advise that LF is not the tool for the job...

    Even on large ships, large tugboat etc, I have used tripod mounted cameras while ship was at the dock in still water and you can watch the horizon...
  8. Re: Distance markings for lenses for field camaras. Is it a reason to buy those FL?

    Nothing wrong with calibrated focus scales!!! It is a plus to be able to take a camera out of its bag and set it by hand under difficult conditions (like night, rain etc) or get a shot before it gets...
  9. Thread: Filters for B&W

    by LabRat
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    1,614

    Re: Filters for B&W

    A big difference between round and flat filters is when you do a lot of night shooting or with very bright specular highlight shooting... Very bright points of light can reflect between filter and...
  10. Re: Is there adequately protective flight case that can protect an ULF camera checked

    I once worked somewhere that sold raw foam for cases, and their secret for nice cuts was an old electric knife used for slicing turkeys etc... Worked great!!!

    Steve K
  11. Re: Check Your Ground Glass ~ Film Holders for Registration! Simple, Important and F

    An ear... ;-)

    Steve K
  12. Re: Check Your Ground Glass ~ Film Holders for Registration! Simple, Important and F

    This process can somewhat work for quick checks, but the tougher area is the last 20/1000ths" range, especially if there's a gap below the card...

    A cheap ($20) machinist's import depth gauge is...
  13. Thread: Filters for B&W

    by LabRat
    Replies
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    1,614

    Re: Filters for B&W

    This is how filters work on optics.... Same colors pass with very little cut, but complementary colors are where the filter factors are...

    The next problem is Pan film has a range of color...
  14. Re: Is there adequately protective flight case that can protect an ULF camera checked

    Also, don't leave gear stored for very long periods in sealed foam lined cases as over time, the foam starts to outgass and degrade, and gasses and sticky melting can damage gear...

    Store gear in...
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    Re: Contact printing light source?

    For contact printing, you have choices not unlike when enlarging where one might choose a point source, condenser, or cold light head... With a point source, there is a very sharp shadow from the...
  16. Re: Is there adequately protective flight case that can protect an ULF camera checked

    Recommend a soft padded case as if is a little oversize for a overhead or trunk, you might be able to squeeze it a little in... And there is usually some other space to slide something small in......
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    Re: A D-76 observation---any guesses?

    You should!!! And it's fun!!! Release you inner mad scientist (or Walter White)...

    Steve K
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    Re: BESELER MB57 Cold Lamp Enlarger History

    Some think that old cold lights are hopelessly weak, but because of the green or blue light, paper is very sensitive to these wavelengths...

    A bigger issue would be with MG papers, as there is a...
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    Re: Any Clayton chemical customers here?

    I will use Clayton when printing large commercial projects for convenience... Good stuff!!! You can also choose MQ or PQ versions... The only thing to watch for is like when I bought a gallon of dev...
  20. Re: CatLABS X film, from Freestyle - any user information?

    Different film, different look, different speed, way different processing options... Just hype...

    Steve K
  21. Re: Folmer & Schwing R.B. Cycle Graphic 6.5" x 8.5"

    Look up Circut # 8... It's missing the back and tripod assy...

    AKA full plate size...

    Steve K
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    Re: A D-76 observation---any guesses?

    No, that is added so all the ingredents can be mixed together at once, instead of metol first, SS, Hyq, etc individually...

    Steve K
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    Re: A D-76 observation---any guesses?

    Most dry chem has some debris, dirt, something in it, as at some point it had to be shoveled during mfg...

    Filter it out... I use a Melita #6 coffee filter in a funnel... There are different ways...
  24. Re: Large Format Camera - Focusing architecture (in a hangar)

    Also look up hyper focal distance tables for your FL... Then set a light towards the lens using a tape measure the distance on your table... Then just watch the edges to frame it...

    The prior...
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    Re: Which paper finish for landscape

    With the more matte you use, it looses apparent Dmax as the surface reflects an even haze you have to look through to see the image...

    But matte is good for large poster sized unmounted prints as...
  26. Re: Is it worth it to use the Speed Graphic handheld from time to time?

    The other pluses is the camera is calibrated with built in stops, so with practice one can remove camera from bag or case, it can be opened and mostly set by feel, and start shooting... You can...
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    Re: Bausch & Lomb EF Anistigmat 3" f2 question

    I tend to not get rid of stuff unless the thing I had for many years goes supernova on the Internet and I need some $$$... But the things I have saved have come around to me needing it much later,...
  28. Re: How to tell if metol (in powder form) has gone bad

    If it's inky blue/black, it's bad...

    Steve K
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    Re: Tape for replacing film holder hinge flaps?

    I don't like using gaffer tape because it is very thick, it gets very messy if it wears or dries out, it can damage things it is applied to, and a real PIA to remove when old as it leaves a very...
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    Re: Black Masking Tape

    Archival black artist's tape...

    Steve K
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    Re: How sharp can I expect from 4X5

    Acutance is more of a factor... The degree of change from one area to another, and what does this appear like???

    These days, most people are getting used to a harder line between areas due to...
  32. Re: My Omega Condensers have scratches - any negatives (hah) with using a diffuser?

    Filling scratches can work on a lens, but not for light projection optics... They simply hold back the even cone of light that illuminates the material then projected by the lens... (If you put a...
  33. Thread: Lens for color

    by LabRat
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    1,510

    Re: Lens for color

    The only time I have SEEN a difference using an apo lens was when shooting micro/macro while focusing wide open, and setting up enlargers for critical alignment...

    Wide open, most lenses might...
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    Re: Copal 0 shutter accuracy

    The high speed on faster leaf shutters is just a setting where the speed dial allows another heavy spring to additionally push the cocking mechanism to give it a boost to the normal mechanism, but...
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    Re: Lens Filters for 4x5

    I'll step out of the pack and suggest that for many, filters can do more harm than good in a shooting scene...

    Most B/W filters increase contrast on the neg due to the color of the light passing...
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    Re: Copal 0 shutter accuracy

    So you tested the shutter by sound? That's probably the problem...

    A leaf shutter is like an opening and closing iris... It takes some time to the point where it is fully open, then the dwell time...
  37. Thread: Focusing loupe

    by LabRat
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    1,387

    Re: Focusing loupe

    The loupes with the flat bottomed plastic skirts are better on a lightbox, but on a GG, the further away from the center means the light is more at an angle, so the loupe has to be tilted towards the...
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    Re: Long throw cable release - Betax shutter

    Let's rewind here... The Betax #4 socket is threaded for an old style tip that is a straight thread, not tapered... If a tapered tip is used, it had a different thread pitch, diameter, and thread...
  39. Thread: Focusing loupe

    by LabRat
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    1,387

    Re: Focusing loupe

    Someone long ago gave me a Nikkor 50mm f1.4 that was very worn out from hard press duty,that I promptly took apart to harvest it's organs... The front element assy ended up on a Polaroid Prontor...
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    Re: 5x7 Agfa Ansco looking a bit rough

    Here I am (not) to tell you "I told you so", but you dove right in without asking, so a little nah-nah to you!!! (Don't ask me how I know about putting gloppy stuff on bellows leaks even many weeks...
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