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  1. Replies
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    Re: Rare lens maybe only exists in catalog

    How about the 2 lenses used for the Mammoth camera? 8x4.5 foot format circa 1900

    One lens was 5.5 feet in focal length, and a wide angle to boot. And they also had a 10 foot plus lens for the...
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    Re: Lens for 4x5

    The 150mm Symmar S has a 210mm image circle so lots of room for movements. By the way most later LF shutters Copal or Compur or Prontor,have 2 governors. 1- 1/30 and 1/60 and above. So saying if 1...
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    Re: Sinar Alpina/A1 mounting block

    Scott,

    Arca-Swiss has several plates that, as someone mentioned, will mount with 2 screws. I used them in my Large Format classes as well, in the 1990's through 2010. I think the school still...
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    Re: Linhof cameras before 1945

    The 150mm Symmar-S has a 210mm image circle. The 10x15 film requires 183mm to cover film/plate.

    So that one will work.
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    Re: Prototype RF-coupled 4x5 camera

    In 1991 Pop Photo showed this and I sold a couple of them. They had trouble217261 outside the studio with field cameras as the back was heavy and actually did best Graflocked to a Studio type camera.
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    Re: Fastest Speed of all 4x5/9x12 Sinar Norma

    How about the Gowlandflex 4x5 which in a more compact form does similar to your camera:
    217258


    4X5 GOWLANDFLEX GLAMOUR CAMERA
    Gowland's most popular camera, the 4x5, 30th anniversary model in...
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    Re: Are all plasmats convertible?

    Just like anything, if you are not better than the competition, you need to move on. Schneider did make Ron Wisner's convertible lens set during the 1980's/early 90's. All of the prints I saw from...
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    Re: Are all plasmats convertible?

    The Dagors are really improved by stopping to at Least F32. This is due to the fact that red wavelength moves forward much further than the Blue/Green wavelengths, as the lens is stopped down, and...
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    Re: Best dual axis bubble spirit?

    One of the issues is mounting shoe levels. You need to always, after inserting the level, push it to one side and all the way to the front of the shoe. This Squares the level with the camera and...
  10. Re: Looking for my first 8x10 field camera, what are my best options in 2021?

    And there is also the modular precise Arca-Swiss 8x10 or 4x5. See youtube by Ben Horne for the 8x10 Arca-Swiss introduction.

    And there are format kits to change to larger or smaller size camera....
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    Re: 6 1/2 x 8 1/2 cameras?

    For many years in the 19th century, film sizes were set or cut down from Whole plate with the only one left direct in lineage, I believe is 6x9 / 6th plate on 120 film. This is the oldest...
  12. Re: Not understanding Toyo Base Tilt Front and Rear

    The 45A does indeed use the large knobs to create rear tilt. Note the more rear tilt used the more you must stop the lens down to expand the depth of focus to accommodate the movement. It is a base...
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    Re: Which brand of 4x5 filmholder is best?

    When I taught LF at Scottsdale Community College, I had a student who had weird focus issues. After checking everything else the holders were the only thing left to check. The student had the...
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    Re: Prototype RF-coupled 4x5 camera

    Well, guys you forgot this one: Thor Loader. https://www.dropbox.com/s/guma97twk1l3z3s/Thor%20Load%2050%204x5%20sheet%20film%20holder%3Aloader.png?dl=0

    It accepts a 50 sheet box and...
  15. Re: Banding problems with digital copy camera and fluorescent light source

    The reason is that the fluorescent tubes are usually only running at 60 cycles/'flickers' per second.

    To copy from a light source as you ar trying you need to get a HIGH SPEED Light source/table. ...
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    Re: What are these annoying blemishes?

    As some have mentioned above. Water can be an issue. First tap water can have particulates in it. It is just there. You might try a 3 micron filter set up.

    Second if City water or well water...
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    Re: Presence in 8x10 photography

    8x10 is easier in many ways to compose. The screen can be described as a finished print in that you can 'Hold the wall', with an 8x10 framed image much more that with a smaller print. So when...
  18. Re: Seeking a newer 4x5 camera for mostly landscape

    Look at the Arca-Swiss 4x5 F-Line field. Collapsible rail. Very fast. Best screen, very efficient.
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    Re: Trying to identify a film back.

    This site may have some info you. http://www.earlyphotography.co.uk/site/entry_C916.html

    Be well and stay safe,

    Rod
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    Re: Trying to identify a film back.

    This will be difficult. When Goerz, Image, Ermanox, et all, the 6 who combined in 1926 to create Contax in 1926 and 1927, they had over 511 different models of camera for sale...

    I thought at...
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    Re: Intrepid/Rodenstock question

    Sorry. But someone explained it correctly above. For life-size reproduction twice the focal length in extension must be available. So 150mm needs 300mm(12") minimum. By the way the distance from...
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    Re: Intrepid/Rodenstock question

    An Arca-Swiss can easily perform this feat.
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    Re: 20x24 lenses

    Also Doug Bush produced lenses that would cover, though I believe they were made by Milles Grillot for him. See this: https://www.cameraquest.com/degoldenbusch.htm


    He made cameras from 8x10...
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    Re: 20x24 lenses

    Bob Soloman reported the following also some years ago:

    1200mm f16 Apo Ronar CL (CL means that it has a linear aperature scale).
    Effective focal length = 1200.1mm; Max. Recommended film size at...
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    Re: 20x24 lenses

    The 1210mm F12.5 Apo-Nikkor will cover at infinity. 878mm image circle focused at infinity. You need about 813mm to cover 20x24.
    I have data on these if anyone wants it. email me or PM me.
    ...
  26. Re: Centre filters for UWA lens - rear element instead of front

    One other item. The lens is designed to direct the light to the image plane/film/digital back in a certain trajectory. Years ago some photographers would use gel filters on the back of the lens. ...
  27. Re: Chinese bag bellows for Linhof Technikardan S45: any good?

    Also, I have often observed that the Chinese bellows leak IR light, as well.
  28. Re: Metal vs Wood cameras - advantages/disadvantages

    Somewhat agree with what has been said. But you forget us. Arca-Swiss has cameras that collapse quite small and are often lighter than wood. Especially in 8x10. In addition, some metal cameras are...
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    Re: Wista Ground Glass Sandwich Question

    The Wista Fresnel was a combo and required only a Clear cover glass as the Lexan fresnel was somewhat fragile. Be careful changing the cover glass with a non Wista type as if you use glass of...
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    Re: Old HP5 Film

    Film like this benefits from 1/2 to one ounce of Benzotriazole per Quart or Litre of working developer. This will retard the base fog and help the contrast appear normal with less blocking up of...
  31. Thread: Spotting

    by Rod Klukas
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    Re: Spotting

    I used to use a piece of clear film or mylar, on top of the print and spot it on top of the spot that needed spotting, and near the edge of the mylar, until it was close or matched the correct tone,...
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    Re: Is this Bromide Drag? Help!

    This is exacerbated by use of a tank. This is much cleaner when done in trays and or tanks with depth of Chemistry is well over top of sheet in holder. I had many extreme plus developments up to...
  33. Re: Dilution problem of sodium sulphite in water

    One thing the old guys did in the 1930s-1950s, was to get your water warmed and put a pinch of SS on and dissolve that completely, then add the rest of the SS and stir until completely dissolved. It...
  34. Re: Any telephoto (360mm or above) recommendations for a 4x5 (TK45S)?

    The 360/500mm/720mm Nikon T is very sharp T DISTance though not at still life closeup distances, This is true of most telephoto designs though. Also the contrast is quite high, as well. and as an...
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    Re: Rail size for a CALUMET 4X5 CC401?

    Dan is correct as Calumet and many companies make changes but do not announce them and don't instantly reprint catalogues--Too expensive.

    The 1965 catalogue says CC-400 16" bellows on 22" rail....
  36. Re: How hard is it to replace the bellows of Kodak Master View 810

    Here is a US Company as well: US Company

    Nabel

    https://nabell.com/products/camera-bellows/
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    Re: PC Sync to flash?

    Or something like a Pocket Wizard which trips flash via a radio signal. Short cable to shutter PC.
  38. Re: Anything special I need to know to open the back shutter on Anniversary SG 45?

    photobooksonline.com has the repair manual for the anniversary speed Graphic.

    #8247 - Graflex 4x5 Anniversary Speed Graphic Service Manual Photocopy. Fully illustrated. Service instructions and...
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    Re: Advice on 4x5 compatible 5x7 field camera

    K B Canham makes such a camera currently. It is a 5x7 with a 4x5 or a 5x7 back.
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    Re: How does rear tilt affect front tilt?

    No one has mentioned this, but if you tilt the rear back, you must compensate by stopping the lens down much further that when front tilt is used. The depth of focus required for say a 1" tilt of...
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