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  1. Replies
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    Design Help for Wide Lenses?

    I don't know how hard 6" Metrogons are to find these days, but they DO turn up...I have some in the original shutters which makes them monstrously large and impractical for some, I mean most...
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    Gallery Stairway Shadows

    Very nice.
  3. electrical discharge pinholes

    Yes!

    Thank you.

    I will not do this while standing in a bathtub.
  4. electrical discharge pinholes

    Hi again:

    Quite a while back there was a post somewhere about someone making pinholes in aluminum foil by discharging electrolytic capacitors...and I can't find it this morning.

    Sound familiar...
  5. Polaroid/Tektronix C-5C cameras

    Hi:

    Been away awhile...I see the Free Stuff forum is member-only now.

    I'd like to offer two Tektronix C-5C oscilloscope cameras with Polaroid 'Land Camera packfilm backs (I removed the...
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    Flash guide number pinhole

    I bartered for a flash I had been visiting at a local store for a couple years...didn't like the price back then, but traded in a gift certificate today & came home with an Agfatronic 643CS & what...
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    Tea-C Development

    Renon, when you finalize a recipe, could you please post the info?

    Those are irresistably available ingredients...
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    Tea-C Development

    I always do a double-take when I read TEA, because someone on APUG had a TEA-C recipe with triethanolamine.

    I think it had additional ingredients.

    This looks very nice, and safer too!

    Murray
  9. 40 mm opening surplus shutter

    The down side is an estimated 100 x 100 mm overall size.
  10. 40 mm opening surplus shutter

    Hei:

    I'm always collecting junk I think I can make shutters out of...3.5" floppy disks, inkless ballpoint pens, etc.
    Latest idea is a mousetrap...

    My luck has been slim, however.

    Today I...
  11. First Home made Large Format camera

    Very nice job Elvis!

    I agree with Andrew...the material is cool...for bellows.

    ...but not clothing! (not me anyway)


    Similar to what Earl said, any piece of glass that will pass light and...
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    Tektronix Polaroid Cameras?

    Aerospace Polaroid Tektronix pinhole...?

    Sounds like... I dunno what...

    No bellows, just a rigid 'scope hood. I took that off to figure out the 'free' f.l. and for object distances further than...
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    Tektronix Polaroid Cameras?

    I just rescued two Tektronix C5C cameras from some unknown fate...

    Anyone know if the Fuji Instant film is the right size and if it ejects properly in such cameras?

    I wonder if people are...
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    kiev hole

    I like this.

    I have one of these backs, an orphan...I spent some time listening to the winding ratchet, counting clicks, and watching film frame numbers, hoping I could have an audible indication...
  15. Camera Lucida and Camera Obscura BLOG

    Anyone ever put a webcam in a camera obscura, or is it pointless?

    I can see someone looking at their monitor, wondering why the image is upside down, and leaving vulgar comments in YouTube-speak....
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    email PressCWB?

    Hi again!

    I have some info PressCWB requested and I forgot about. I can only find PM here for him, not email, and if he is as inactive here as me lately...it's not gonna happen...

    Anyone able...
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    camera obscura

    Hei, they want to do it Sept 28 through Oct-31, 2009 this year, and gave me the title 'curator'.

    I'm not sure I've ever cured anything!

    Sorry I have been vapor-Murray, nearly non-existent.
    ...
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    LCD projector

    Hello POB -

    I don't know if higher performance LCD's have exactly the same restrictions as simple glass ones on oldercalculators, etc, but they do not like heat very much...I seem to recall a...
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    Brownie Hawkeye conversion

    Kind of all the same, but all kind of different!

    Basically you need to figure out what you have to remove to have a clear view from the front, then decide as you progress, what you can remove...
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    Magnifying glass lens

    The author (or someone who did the same thing!) is on APUG.ORG sometimes, but I can't remember his name (GG must know, since she has the article!)
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    Ping Pong

    I like this alot!

    It makes me think of the saying 'It's a small world :O)'.
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    camera obscura advice

    1) I really don't know, but suspect cyano and other deep blue to UV-sensitive processes are alot slower than any paper or graphic arts film...I can't cite anything specific off-hand, but got a gut...
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    Chicago pinhole exhibits?

    Any suggestions for pinhole and alt-process displays/exhibits in the Chicago area next weekend?

    Contempoary Museum of Photography @ Columbia Univ. on Michigan Ave I know about...any others?
    ...
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    camera obscura advice

    If you search for Abe (Abelardo) Morell's work, his camera obscura room photos are/were (generally, since I don't know everything he's done) shot with a view camera inside the camera obscura...film...
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    1st rule of ghosts

    Can someone please remind me what the 'First Rule of Ghosts' (maybe I just made that up) is for exposure?

    I saw someone's post about a rough estimate that works to retain some evidence of a...
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