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  1. Re: How to open old Gralab 450 for repair?

    If it is glue on the rotary switches, it is strong stuff. I have a 450 which I tried to work on. I tried pull one of the rotary switch handles off and ended up breaking the post off.

    -Darren
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    Re: Smoke smoke everywhere

    Press release today from the US Forest service "Forest Service Temporarily Closes Southern California National Forests, Adds Prohibitions in Others": ...
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    Re: Anyone else here on Instagram?

    Wouldn't this thread be better in another forum here like "Image Sharing (LF) & Discussion" or "Resources"?
  4. Re: Fungus on antique Lens: Can it be fixed?

    Even mistakes can become art. See Chris McCaw's Sunburn work. https://www.chrismccaw.com/sunburn

    I remember seeing a video of him taking a day shot with one of his home built ULF cameras with...
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    Re: Mountain Lion near Santa Cruz

    Yesterday there was a mountain lion sighting in San Francisco near Russian Hill

    https://www.sfgate.com/living-in-sf/article/Video-mountain-lion-wandering-in-San-Francisco-15344437.php

    -Darren
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    Re: Petzval in shutter

    actually, the Mamiya dual cable release would allow you to lift the mirror and then fire the shutter. You would just need to figure out the best way to go from the open shutter to close before you...
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    Re: Petzval in shutter

    The Lomo suggestion was more along the lines using it with a small format camera (handhold) over an RB.

    I had the same idea about using a Petzval on a RB; a while ago I acquired a 6" Darlot lens...
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    Re: Petzval in shutter

    What size lens are you thinking? Would it be something you could use the shutter out of an existing RB lens? If you go with an external shutter, what where your plans on mounting it to the RB?

    I...
  9. Re: The New Marketplace Rules are Too Restrictive

    Staring at me right in the face; I don't know how I missed that. thanks for pointing it out!

    -Darren
  10. Re: The New Marketplace Rules are Too Restrictive

    I looked the other day and found the rules in less than 10 minutes under the FAQ at https://www.largeformatphotography.info/forum/faq.php?faq=vb_faq

    Where did you look? I did a quick google...
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    Re: endless external HD shuffle Part deaux

    IKeep an eye out for the WD externals hard drives Currently when they go on sale the 12tb ones are like ~$185. 10tb version go for around $140-160, 8tb for around $120~130, and the 14tb for around...
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    Re: Easy alternative processes?

    I just checked in the book "OverExposure: Health Hazards in Photography" by Susan Shaw, 1983, and here is what is listed for potassium ferricyanide (Farmer's reducer):



    Potassium ferrocyanide...
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    Re: Easy alternative processes?

    I was told there was a little bit that comes off when removing it from the contact glass and "don't put your nose by the print" when you check or remove the print. We were printing in the sun so...
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    Re: Easy alternative processes?

    There are several companies who sell precoated cynotype paper. do a search for "sun print" on on amazon to get a list. there is one from UC Berkeley for ~$8 that includes 15 20x30cm sheets. i doubt...
  15. Re: Advice on a spare-time project? 4x4 back and holders

    Instead of trying to scale down a 4x5 camera, have you thought of looking at some 3 1/4 x 4 1/4 cameras and seeing if it would be easier to scale it up?

    -Darren
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    Re: Mountain Lion near Santa Cruz

    Another article: https://www.sfgate.com/news/article/Cupertino-park-closes-child-mountain-lion-injury-15061367.php

    This park is in Cupertino which is a bit away from Santa Cruz. There are plenty...
  17. Re: Paul Caponigro in Carmel, CA for lecture on February 8, 2020, 3-5 pm

    It was standing room only. Great presentation of some of his work and some stories behind them.

    -Darren
  18. Re: Does an affordable, available, non-plasmat 300mm-ish lens that covers 8x10 exist?

    Some lenses to consider keeping an eye out for. When they show up they are often in a Wollensak Alphax or Betax shutter. Not modern but I've found them to be fairly decent shutters.

    Wollensak...
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    Re: Monterey Cypress groves

    I enjoy the grove on the bluffs at Fitzgerald Marine Reserve.

    -Darren
  20. Re: Which shutters will suit this casket set?

    DoWhat are the measurements of the threads on the lens cells? Can you also measure the thickness of the old shutter where the elements screw in?

    -Darren
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    Re: Some Soft Focus Lens Sales Information

    I was not the winner. I am not surprised that ebay has done what it can to hide the true sell value. Thanks for the update.

    -Darren
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    Re: Some Soft Focus Lens Sales Information

    Kalosat IB with original box but without flange.

    BIN at $3000 USD. Item 292324365334
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    Re: New fire in Yosemite----

    Inciweb page on the Mission fire: https://inciweb.nwcg.gov/incident/5588/

    -Darren
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    Re: Firefox security warning

    I believe Firefox considers user passwords as sensitive data.

    -Darren
  25. Re: The New Marketplace Rules are Too Restrictive

    I find the new rules for the FS section fine. I am a little disappointed at the number of replies to this thread in comparison to the rest of the sub-forums I subscribe to here.

    As a reminder to...
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    Re: Coverage of Three Old Lenses

    Betax 5 is the shutter and size. What is the maximum aperture of this lens? That would help determine what series it is and what coverage it has. It should be able to do at least 8x10".

    -Darren
  27. Re: For-Sale-Wanted Rules changes coming on 3 Apr 2016

    How does one close their own thread? I looked at some of my (really) old threads and I don't see an option to do that. Is that something that is going to be turned on during the maintenance?
    ...
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    Re: Linhof cameras before 1945

    I have what I think is a Linhof Standard 9x12cm. SN:13644 There are no back movements. Front movements include horizontal and vertical shift and you can tilt the top of the lens back. There are...
  29. Re: Wollensak 6"1/4 W.A. and Extreme W.A. aperture scale not equal to focal/iris

    I have seen a lot of Alphax #3 shutters that had f/3.5 apertures (from oscilloscope?) I want to say those were for 75mm lenses so the scale is probably way off. I have a Series III f/9.5 in an...
  30. Re: Going to the eastern sierra for fall colors.

    I was up at Lee Vining / Mono Lake this past weekend. I took Sonora Pass over and did not see any color on the west side until around 9000' though there was color down to ~8000' on the east side. ...
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    Re: More fires

    Some more information about the butte fire can be found at yubanet.com.

    Wasn't there an old store or something in the foothills which had steel doors to protect the inside from fires?

    -Darren
  32. Re: 9.5" Velostigmat Series II - mounting options

    Are you sure it is an f/4? All the Velostigmat Series II lenses I have seen are f/4.5.



    I was lucky enough to find one mounted in a BetaX #4 shutter. The Alphax #4 is the same size so that...
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    Poll: Re: Member forum browsing practices

    I use a bookmark for a saved search. Always via a desktop, never by mobile.

    Search Single Content Type (http://www.largeformatphotography.info/forum/search.php?search_type=1)
    Search Subscribed...
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    Re: Some Soft Focus Lens Sales Information

    Wollensak Series II f/4.5 15.5" with diffusion ring in studio shutter (missing piston). quite a bit of missing paint. $535. item: 141492433501
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    Re: vB errors on the advanced search page?

    yup, i just checked and no longer see those warning messages. Thanks!

    -Darren
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    vB errors on the advanced search page?

    i'm seeing the following errors at the top of the page (above everything else) when I go to the advanced search page at http://www.largeformatphotography.info/forum/search.php



    The form below...
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    Re: Some Soft Focus Lens Sales Information

    Bausch and Lomb 12" F5 Portrait lens $371.66 item #131299128082
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    Re: Some Soft Focus Lens Sales Information

    This lens does not appear to have the diffusion ring.

    -Darren
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    Re: Whoa! Big fire in Yosemite/El Portal!

    I don't see it at InciWeb but I did find some information about the fire at http://yubanet.com/CAFires/El_Portal.php

    Also, from http://www.nps.gov/yose/index.htm:
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    Re: Some Soft Focus Lens Sales Information

    This thread is to track sale prices of lenses that were designed to be soft focus. Auctions or sale offers that ended with no buyer are excluded since they do not indicate what people are willing to...
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