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  1. Replies
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    Re: Collodion - Wet Plate Images

    Can't speak for anyone else but I can answer based off my practice: There's two factors that lead to a lot of plates looking pretty dark. First, wet plates take a shocking amount of light to expose....
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    Re: LED UV Light Box: Build Your Own for Under $150

    Printing on silver halide paper often has exposures in the 10 second range and we don't complain about a lack of accuracy and control, we just use a timer.
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    Re: LED UV Light Box: Build Your Own for Under $150

    Do you have a link for an example of these bars? I haven't heard of them before.
  4. Thread: Nude

    by williaty
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    Re: Nude

    I suspect the softness that made you ask that question is front tilt kicking the plane of focus over so that the in-focus bit of the floor is between the camera and the model but out of the frame.
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    Re: DIY Imagon Apertures

    Is there a functional difference between using aperture rings as shown here and just closing down the aperture diaphragm (if equipped) on the lens itself?
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    Re: Collodion - Wet Plate Images

    Thanks!

    Yes, I seem to be able to use a LOT less light than most other people. I think it's a combination of 2 factors: the developer and collodion combination I use seem to be extremely...
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    Re: Can you help me get this lens cell apart

    It didn't hurt too bad, actually. It had been sitting on the shelf at the store for years so I was able to bargain them down to $80. For that, I got the lens, lensboard, and a near mint #6 Packard...
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    Re: Can you help me get this lens cell apart

    Well, end of this project :(

    There was no way the front lens could come out the back of the cell, so that inner ring had to be a retaining ring. I threw everything I had at it. Heat, cold,...
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    Re: Can you help me get this lens cell apart

    Youtube still seems broken but I uploaded it to Gfycat:

    https://gfycat.com/AnchoredDisfiguredLamprey
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    Re: Can you help me get this lens cell apart

    Took me a while to get back to this.

    Side image of the lens cell:
    https://i.imgur.com/NU1p46b.jpg


    I'm trying to upload a video to Youtube that shows the construction much better but it...
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    Re: Can you help me get this lens cell apart

    In my older B&L Tessar, that's exactly how it opens up and how I was able to clean the haze out of it. This newer one is constructed differently. The barrel is a single piece from front to back....
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    Re: Can you help me get this lens cell apart

    I have been trying with the rubber "lens wrench" cones and no luck. I'm twisting the hell out of it but the cone eventually just squeaks across the metal ring. I think the deeper marks in the...
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    Can you help me get this lens cell apart

    I bought a Bausch and Lomb Tessar Ic today that I hope turns out to be a good deal in the end. The lens was hazy but my experience with previous B&L Tessars is that I could easily open them and clean...
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    Re: post alternative techniques

    Huh, that's pretty cool. It reminds me of a Type 69 emulsion transfer. What's the base emulsion for your process?
  15. Re: Advantage or Not for Limited Slip Differential

    I used to turn Subarus into race cars professionally and diffs are a big part of that.

    The "normal" differential in a car is an open diff. That means the differential splits the torque equally to...
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    Re: What type of lens did I just buy?

    I have an additional question.

    I looked up the Cooke Triplet since I'd heard of it but I'm not familiar with it. The reference materials all show the Cooke design having a front element, a large...
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    Re: What type of lens did I just buy?

    If it turns out to be a decently well figured example of the formula, what should I expect from it? Coverage? And weirdness like a petzval? Some of this I can test out myself once I get another...
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    Re: What type of lens did I just buy?

    I *think* the rear group only has one element in it but it's hard to be sure. Here's the rear group shot from the front/inside:
    https://i.imgur.com/xkPVYx5.jpg

    And finally the rear group shot...
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    What type of lens did I just buy?

    I took a risk and bought a bigger lens on eBay. I'm hoping you guys can help me figure out what optical formula of lens it is. I have no experience trying to decipher this from looking at a lens so I...
  20. Re: Where does the fresnel belong on a Graflex Graphic View II

    Thanks guys. Sounds like the next step (probably tomorrow afternoon) is to remove the current GG and Fresnel and see if the fresnel fits into the recess properly. It's pretty clearly all been messed...
  21. Where does the fresnel belong on a Graflex Graphic View II

    Title sums it up. I traded for what's turning out to be a basket case of a camera and I'm trying to get it sorted out right. On the Graflex Graphic View II, did the original fresnel belong on the...
  22. Re: HMI or strobe for wetplate/paper negs/low iso

    The amount of UV sensitivity wet plate has depends on the salts you use but the UV response is never what I would call significant. It's a common misconception. If you look at the work Lund has done...
  23. Re: HMI or strobe for wetplate/paper negs/low iso

    Your slow exposure is just as much made of lies and a complete fake as a shot made with strobes and nothing else. You're barking up the wrong semantic tree.
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    Re: Images Shot On Projection Lens Thread

    Can you provide any more info on this lens? I quite like the way that was rendered and I would like to try to find one for myself.
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    Re: Collodion - Wet Plate Images

    UVP-X and B&S Developer 1:3 for 20"
    f/4.5 Tessar wide open
    900Ws into a 22" silver beauty dish about 30" from the subject plus 300Ws into a random 8" bowl reflector about 4 feet from the subject as...
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    Re: Collodion - Wet Plate Images

    Using UVP-X and the B&S developer 1:3 (though for half the time they suggest), I have gotten as low as 160Ws with no additional sources of light. Just depends on what you're illuminating, how you're...
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    Re: Artifex beta 8x10 daylight tank

    A googling didn't turn up much. Can you provide some info on whom you're talking about and in what country they're doing business?

    If they're inside the US, their due diligence research should...
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    Will this holder fit my camera?

    I have an Eastman 2D. Normally, I buy wooden plate holders that say "will fit Eastman View or Century cameras". This one is labeled differently but I don't know if the "universal" means that it'll...
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    Re: 3-D printed lens boards

    To address several of the points raised in this thread:

    "Any machine shop can bore a board for you"
    Yes, they *can* but my experience is that they *won't*. The few machine shops left in the US...
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    Re: Intrepid 8x10 experiences?

    Regarding the plywood: they're using high ply-count Baltic Birch plywood. If you've bought plywood in the US from anything that wasn't a specialty/high-end hardwoods dealer catering to the art...
  31. Has there ever been a 5x7 or 8x10 multi-sheet film pack type arrangement?

    I encountered a Graflex 1234 holder for 4x5 film and have loved using it to hold crazy things to put behind a lens. Was there ever something similar made in 5x7 or 8x10? Basically, some sort of film...
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    Re: Tiny Format Portraits

    https://farm2.staticflickr.com/1832/43830171661_a8a6827076_b.jpg20180707-1.jpg
    by Ty Williams, on Flickr
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    Re: New 4x5 'Standard' Camera

    Drew, I hope your release of the 4x5 goes well. I'd be very interested if you produced a 5x7 and/or 8x10 camera in the future as it's not too hard to find a cheap, functional used 4x5 camera but...
  34. Re: endless external HD shuffle RAID 1, 5, or RAID unecessary?

    RAID is not a backup.

    Repeat it with me:

    RAID IS NOT A BACKUP


    The purposes of RAID are 1) High availability even when a drive in the array fails, is replaced, and rebuilt (imagine being a...
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    Re: Tiny Format Portraits

    Another from the same set:
    https://farm2.staticflickr.com/1762/28359830147_e185b3194e_b.jpg
    20180701-1.jpg by Ty Williams, on Flickr
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    Re: Tiny Format Portraits

    Thank you. So, to me, I post screen-filling shots on my laptop. I've lately found out that they look tiny to everyone who doesn't still use a 10-year-old MacBook Pro because 1,000 pixels on the long...
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    Re: Third party Jobo tanks on eBay.

    2 sheets total, or 2 per side (4 total). 2 total is a bummer, 2 per side is sort of a bummer but if they're more secure than processing them 4 at a time in the Jobo 2830 tank, maybe it's still worth...
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    Re: Third party Jobo tanks on eBay.

    David, did you ever get better results with a different developer or agitation scheme?
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    Re: 3d printed MOD75 for devolping 5x7 sheets

    Very, very cool. The fact that you're getting 6 sheets into a Multitank 5 is awesome!
  40. Replies
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    Re: Tiny Format Portraits

    https://farm1.staticflickr.com/847/43112851552_03ca27fb93_b.jpg
    20180701-1.jpg by Ty Williams, on Flickr
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