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Thread: Shooting into a mirror

  1. #1

    Shooting into a mirror

    On occasion, I've had need to shoot LF looking straight up. I got thinking about using a mirror at a 45 in front of the lens.

    So I thought I'd ask if anyone has come up with a solution that 1. works, 2. is compact and portable and 3. durable enough to last more than 1 or 2 uses.

  2. #2
    Kirk Gittings's Avatar
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    Re: Shooting into a mirror

    I'd think you would lose some image quality unless you had a really expensive optical quality mirror?
    Thanks,
    Kirk

    at age 67
    "The woods are lovely, dark and deep,
    But I have promises to keep,
    And miles to go before I sleep,
    And miles to go before I sleep"

  3. #3

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    Re: Shooting into a mirror

    There are process lens mounted on mirrors for looking at 90 degrees. I have a 10 inch velostigmat like this.
    Bill
    "There are a great many things I am in doubt about at the moment, and I should consider myself favoured if you would kindly enlighten me. Signed, Doubtful, off to Canada." (BJP 1914).

  4. #4

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    Re: Shooting into a mirror

    There are also prisms that were used on some process lenses, and in copiers... But they can get a little heavy, and are for longer FL's...

    Steve K

  5. #5
    Jac@stafford.net's Avatar
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    Re: Shooting into a mirror

    A locking gimbal along with a 90 degree ground glass viewer is another idea. If you are handy you could make a sky camera as I did from a research project.

    Click image for larger version. 

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  6. #6

    Re: Shooting into a mirror

    Quote Originally Posted by Kirk Gittings View Post
    I'd think you would lose some image quality unless you had a really expensive optical quality mirror?
    That's a given, but I have access to quality glass. So the iq loss would be minimal.

  7. #7

    Re: Shooting into a mirror

    A process lens 90 degree viewer. I have one if you are interested - my 14 inch Goerz Red Dot Artar was mounted to it. It's too heavy to just hang off the end of your lens, I would think. It would last forever, to answer part of your question. It IS compact. In use, it was mounted to a VERY heavy metal lens board about a foot or so square.

    I really don't know how practical that would be for you. If you could mount it to a lensboard and use a separate standard to support it, it might work. It is indeed a nice piece of optical glass.

    Another solution might be to use a mirror from a medium format parts body (or just buy a replacement mirror from eBay) and mount it in a PVC elbow (a three incher or so, black PVC). Drill and tap it and use nylon bolts to tighten the elbow to the lens. THAT I think might just work.

  8. #8

    Re: Shooting into a mirror

    A mirror on the back side is going to be rather problematic.......... how do you focus, for one thing?

  9. #9

    Re: Shooting into a mirror

    Quote Originally Posted by Stephen Thomason View Post
    ..........mount it in a PVC elbow (a three incher or so, black PVC). .........

    ....................................................

    Think about that for a moment................

  10. #10
    Drew Bedo's Avatar
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    Re: Shooting into a mirror

    I found a Spiratone mirror attachment and used it on my 4x5. I was trying for an overhead view of a still life arrangement. It worked well but was awkward for up-close use.

    If you are imaging a ceiling I would think it would work fine.

    http://www.ebay.com/itm/SPIRATONE-CI...wAAOSw9mFWGGX5

    That's one of several on e-bay right now.
    Drew Bedo
    http://www.artsyhome.com/author/drew-bedo




    There are only three types of mounting flanges; too big, too small and wrong thread!

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