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  1. Re: Any advice on cutting your own museum glass?

    https://www.youtube.com/watch?v=lD7C0LfbOhk
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    Re: Custom lens caps?

    easiest option is probably still leather. get some vegetable-tanned leather, soak it in water, stretch it over the end of the lens with a layer of saran wrap under it to protect the lens, add some...
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    Re: Godox Lux Senior Retro Camera Flash

    just being round and having less of the light coming straight from the tube will give a noticeably smoother look.
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    Re: Fresnel, GG and focussing questions

    dropped mine less than two feet and it snapped in half. replaced it with a thin sheet of frosted plastic from a broken lcd monitor sandwiched between the fresnel and a sheet of plain acrylic. gives a...
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    Re: Fresnel, GG and focussing questions

    i hate having to repeat myself. i AM taking focus shift into account! this is the same arrangement as a speed graphic. the original position of the fresnel was between the gg and lens, with the plain...
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    Re: Fresnel, GG and focussing questions

    if the fresnel and gg are the same thickness, you can mount the gg in front as long as the frosted side is on the back. the fresnel can be installed either way or left out if you want.
  7. Re: Portable Solution to Make Overhead (90°) Photographs

    with a full-sized tripod i would just invert the center column. 229591
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    Re: How to imitate the contrast of wet plate

    film is not a pig. there's nothing inherently inferior or inauthentic about using modern materials to create a look that was traditionally done some other way.
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    Re: How to imitate the contrast of wet plate

    it'll get him most of the way there and is a necessary step unless he has access to colour blind film. the rest is just a matter of how he exposes and develops the film.
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    Re: How to imitate the contrast of wet plate

    you recommended not using a technique that will give a similar look to wet plate and instead using a film that won't... so yes.
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    Re: How to imitate the contrast of wet plate

    wet plate is not orthochromatic or "red blind". it's a plain silver halide emulsion, uv, violet and blue sensitive. a blue-violet passing filter will work fine.
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    Re: Lens coating test

    nighttime street photography. if street lights, cars and shop windows don't cause any problems, nothing will. take at least one shot with some out of focus small lights to see if the spots are...
  13. Re: Portrait & General purpose lens for 4x5? (Goerz vs Kodak)

    f/6.3 will be easier to focus, and 305mm will be easier to use in tight spaces.
  14. Re: what bright! LED bulbs are you using inside a softbox?

    i use cobs, not bulbs.
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    Re: Show us your home made camera...

    no, those aren't cross-eye viewable, period. the left eye view is on the left and the right eye view is on the right. if you view them with your eyes crossed, you'll get a jumbled mess of things...
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    Re: Show us your home made camera...

    those aren't cross-eye viewable.
  17. Re: Recommendation for a mini-fridge for paper

    if you add a timer you can have it shut it off to defrost in the middle of the night.
  18. Re: Recommendation for a mini-fridge for paper

    11x14 should fit any standard mini fridge.
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    Re: Reciprocity - how far?

    wikipedia's right, that's more or less how it works.
  20. Re: 4x5 Portrait lens recommendation with "classic" look and feel

    industar-51, or an 8" or 8.5" buhl projector lens. you'll have plenty of cash left over for the separate shutter you'll need.
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    Re: Please help identify 8x10 light leaks

    either way, a light sanding and a fresh coat of flat black paint with a little extra in the cracks couldn't hurt.
  22. Re: Is this because of light leaking? Or overdevelopment?

    take a photo with the film loaded notched side first and tray develop it. if there's no light band, it was a development issue. if the light band is still at the same end of the fim holder, it's an...
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    Re: Depth-of-focus problem, enlarging lenses

    broken lcd tvs are a great source of high quality diffusion materials.
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    Re: Tiny Camera Porn

    mine's tinier than yours. :p
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  25. Re: Test exposure steps in half stop increments.

    too much math for me. i'd just keep all the settings the same and vary the number of exposures per step, 1/1/2/4/8, with a half stop nd filter covering half the image.
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    Re: Depth-of-focus problem, enlarging lenses

    frosted plastic won't diffuse the light as evenly as milky white plastic, so i'd be more worried about a hotspot than seeing texture.
  27. Re: What’s your most “unpopular” opinion about LF?

    that analogy makes no sense. a photo is equivalent to a song, not a note. if you're tuning your fiddle or adjusting your lights, it makes perfect sense to check the results before playing a song or...
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    Re: float frames for alt prints?

    use a large enough sheet of paper that you can wrap it around the edges of the panel and tape or staple it to the back, and add a layer of chemically neutral plastic or something between the paper...
  29. Re: Calibrating Modern Flash & Flash Bulbs & Zone Focus 4X5

    work on your reading comprehension, because you didn't address my points directly or disagree with anything i said.
  30. Re: Calibrating Modern Flash & Flash Bulbs & Zone Focus 4X5

    you're not telling me anything i haven't known for decades, or disagreeing with anything i actually said, so why did you bother with that long-winded, condescending comment?
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    Re: How do you tell the size

    you don't.
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    Re: Cheap 4X5 Cameras are Everywhere

    http://largesense.com/index.php/products/4x5-large-format-digital-back-ls45
  33. Re: Calibrating Modern Flash & Flash Bulbs & Zone Focus 4X5

    watt-seconds isn't any more of a marketing ploy than the wattage listed on an incandescent bulb. it's just a measure of power input to give you a rough idea of the flash's output. guide numbers are...
  34. Re: Wet Plate Ultra Detail compared with todays films, WHY THIS HAPPENS ?

    wet plate grain structure is outside my area of expertise.
  35. Re: Wet Plate Ultra Detail compared with todays films, WHY THIS HAPPENS ?

    the narrower the spectrum the less chromatic aberration you get. uv has higher potential resolution than longer wavelengths. wet plate has extremely fine grain and high contrast.
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    Re: High-Speed Sync for Speed Graphic

    and the contacts behind the bipin connector, and the switch that breaks the circuit when the shutter release isn't being pressed, under the cover plate on the side.
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    Re: High-Speed Sync for Speed Graphic

    they're reliable if all the contacts are clean.
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    Re: Exposure compensation for small apertures

    adding this to my list or reasons to like my speed graphic. :p
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    Re: Color Neg to Pos Conversion - Blue Cast

    gel the backlight to correct the orange cast. it's a lot easier to do colour corrections in software if you start out with all three channels properly exposed and you can correct the colour cast more...
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    Re: Darkroom Sink Slope & Drain?

    if you want your trays and whatever else level, you could just add a little level strip around the sides of the sink to support wire mesh shelving or those plastic grids they put on ceiling light...
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