Archive for October, 2014

    Gift from the Lunar Orbiter Recovery Project

    Saturday, October 11th, 2014

    Terribly cool.

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    UV “clearing” of an Aero Ektar lens

    Saturday, October 11th, 2014

    Several weeks helped a bit.

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    1969 Honda CL-70 all shined up

    Saturday, October 11th, 2014

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    Darkroom A.

    Saturday, October 11th, 2014

    This was my first dark room.

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    A CRT projector lens on a Speed Graphic

    Saturday, October 11th, 2014

    A friend gave me a couple big CRT projector lenses he found under a bridge. I adapted one to “fit” on my Speed Graphic. The effect is rather entertaining. The depth of field is almost nonexistent.

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    A magnetic board for work-in-progress prints.

    Saturday, October 11th, 2014

    Someone suggested it was a good idea to have a prominent place to view prints which aren’t quite ‘there’ yet. So I took the door from an old Compaq tape robot (about 4 feet by 2 feet) stripped the paint off it and hung it on the wall. Magnets hold the prints. The print in the top left looks strange because I didn’t fix it…an experiment in how it will degrade over time.

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    Playing with Americium

    Saturday, October 11th, 2014

    A little experiment with the americium source from an old ionization smoke detector.

    I think the exposures were 15 minutes and 1 hour. The smaller spots were with the source resting on top of the film. The larger one was with the source taped to the inside of the ‘dark box’, about 1 inch away. The film is regular x-ray film, which is just normal film with 2 layers of emulsion. It has no special x-ray sensitivity.

    I now have a Kodak Aero Ektar lens with thorium glass. It appears to be quite a bit more active than the americium. I’ll have to give it a try sometime.

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    Darkroom Enlarger Timer

    Saturday, October 11th, 2014

    This is an “F-Stop enlarger timer. Components:

    • Arduino
    • Vacuum Florescent Display – originally from a Squeezebox
    • Rotary Encoder with pushbutton
    • Triac – to control enlarger bulb
    • Beeper
    • 12v power supply
    • 5v power supply

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    8×10 camera.

    Saturday, October 11th, 2014

    A really hacky 8×10 camera built from scrap I had laying around.

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    Long time no update…

    Saturday, October 11th, 2014

    As promised, this blog started life in an abandoned state. Here are a few ‘catch-up’ posts…

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