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Thread: El Cheapo Filter Holder

  1. #1

    El Cheapo Filter Holder

    Ok, I know someone probably sells an adapter for holding filters on a large LF lens. But, not around here, and I like to see what I'm buying.
    So again I decided to build what I need.
    I used, 1 thin CD case, a piece of PVC pipe and a 6-32 nylon thumbscrew.
    First I turned the PVC ring, so that it just fit over the outside of the lens barrel.
    I then drilled and tapped a hole for the thumbscrew.
    Now I used gel super glue to attach the PVC ring to the center of the back of the CD case.
    Once dry, I used my Dremel to cut out the opening to match the inside diameter of the PVC. Then closed the case and did the same for the outside cover.
    I now have a holder for 4 3/4" gel filters.
    The small lips for holding the CD cover art in place works for the filters too. I can just swing it open and change filters in a second. Or open it to test the effect it has on the view on the ground glass.
    Just to make it a professional job. I painted the holder with ultra flat black paint.

    I can now buy my filter material in sheets from the local music store. They are used as filters for stage lighting. They come in almost any color you can want.
    I have yellow, red, blue and green on hand.
    I've tested the yellow and orange so far. They both require one stop more exposure.
    They are cheap enough. And if I scratch one, I just cut out another. Attached files

  2. #2

    El Cheapo Filter Holder

    Finished and painted. With an orange filter installed.

    Attached files

  3. #3

    El Cheapo Filter Holder

    Not bad. I know some people will worry about the optical quality of the filter material but the closer you get it to the lens, the less important that is.

    A have a sample book of stage lighting filters made by Lee Filters (they also make expensive 'proper' photographic filters). The book contains 3-1/2" x 1-1/2" strips of every colour filter gel they make. I used to use small pieces of these held in place on my Rolleicord before I got some proper bayonet mount filters for it.

    Generally, a yellow filter is -1 stop, orange -2 and red -3

    Steve Smith

  4. #4

    El Cheapo Filter Holder

    The filter material is from a pro music shop. I've used their stuff on other cameras. So far the optical quality has been great. Just have to treat the acetate gently.

    So far, The yellow and orange have tested at 1 stop. The red I tested yesterday, was 2 stops.

    If I ever see the sun again, I'm looking forward to trying them out.

  5. #5

    El Cheapo Filter Holder

    Sweet setup; simple and clean.

    I like the fact it is so compact. Accessories can really eat up camera bag space and add weight. A safe storage for acetate is an empty 4X5 film box; light weight and cheap.

  6. #6

    El Cheapo Filter Holder

    This is gives me some ideas on how to make a filter holder for a pinhole camera. Nicely done.

  7. #7

    El Cheapo Filter Holder

    i love this kind of innovative re-use. nicely done!

  8. #8

    El Cheapo Filter Holder

    I've been contemplating interchangeable pinholes for a camera. I wonder if this wouldn't be one possible method?

  9. #9

    El Cheapo Filter Holder

    Might be, but it's probably simpler and more compact to mount your pinholes in a plastic slide mount and make a nice, snug, velvet-lined (or otherwise light trapped) slide-in mount for them on the camera.

  10. #10

    El Cheapo Filter Holder

    That's the direction my thinking was going initially. Can you believe I sold all my old slide mounts on eBay? 135, 126, 127, 6x6; That was prior to discovering f295 ugh, oh well.

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