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Type: Posts; User: Steve Smith

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    New 6x12 camera under construction

    After some quick learning about optics by trial and error with various old lens elements, I found the perfect combination of positive, negative, positive elements to give a wide view.

    I will mount...
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    New 6x12 camera under construction

    From one of my father's friends who found it in his loft!


    Steve.
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    New 6x12 camera under construction

    And put together:

    There will be a small bracket from the two small holes on the right of the lens mount panel which will locate over the steel pin to prevent the assembly from turning. The...
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    New 6x12 camera under construction

    I have got round the focusing mount problem by making my own. By taking apart an old Minolta lens and machining out the inner helix, I have created my own focusing mount with the help of a few extra...
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    New 6x12 camera under construction

    The spacer idea seems like a good one. Set the body for infinity focus (without a spacer) and have spacers for hyperfocal at various apertures.

    Trying the lens on my speed graphic, there is only...
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    New 6x12 camera under construction

    Last weekend I acquired a Schneider Super Angulon 65mm f8 lens. After a bit of thought I decided to make a 6x12 format 120 roll film camera.

    I will probably set the lens at the hyperfocal...
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    Polaroid to 4x5 camera

    I have not read a Littman rant for ages. Is he still threatening all of us Polaroid converters?


    Steve.
  8. Converting a 9x12 plate camera to a 4x5 field

    That's excellent.

    I have a couple of those 9 x 12 cameras which I was planning a similar conversion for.
    Unfortunately I have about twelve thousand and seven other things to do as well so it may...
  9. Alternative Material for Spring Back Springs

    That new Razzlock II back looks really good. I like the idea of hiding the springs.

    I may have to steal that idea one day! Hope it isn't patented!



    Steve.
  10. Alternative Material for Spring Back Springs

    Perhaps 'thinning' was the wrong word. I should have said 'reduce the width'.

    Currentlty the strips are 6mm wide. I will try 5 and 4 to see what the difference is.

    I can adjust the spacers...
  11. Alternative Material for Spring Back Springs

    The problem is that with the filmholder in place there is a bit too much force and with it out there is not quite enough. I am going to try thinning down the strips and increasing the angle.

    ...
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    Flexarets new life

    I had a Flexaret with a broken shutter too. After a lot of fiddling about (and inventing a few new swear words) I managed to get an Agfa Isolette shutter to work with the Flexaret's iris and lens.
    ...
  13. Alternative Material for Spring Back Springs

    And again....

    Attached files http://f295.f295.org/uploads/back2_7738.jpg
  14. Alternative Material for Spring Back Springs

    I am (slowly) in the process of making a folding 5x4 field camera after my first effort which was a non folding heavy beast as I posted here about 18 months ago.

    Before I start cutting up wood, I...
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    i saw it and cant fine it

    You could use a relay to fire the flash. You would need to connect the relay to a battery using the camera's contacts as a switch. I expect you would have to use a slow shutter speed though...
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    even more questions..

    Retro Photographic have a selection of 127 films if that's what you need. The postage from UK may be too much though.

    Have a look here: ...
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    Electronic button pusher?

    The simple way to drive a solenoid, if you want to keep it on for any length of time, is to power it through a resistor with a fairly large value electrolytic capacitor accros it.

    The resistor...
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    Pinhole Light Meter

    Looks interesting.

    I notice that you have pads on the PCB for a piezo buzzer and I think a lot of people would be interested in a simpler version of this. i.e. press the start button as you open...
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    help with view camera controls please

    If you do a google search for 'Scheimpflug Principle' you should find all you need and more about how an image forms behind a lens and how to place the lens and film plane for best effect.
    ...
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    120 question

    I've done one of those. What lens is that on yours?

    Steve.

    EDIT: Oh, I've just read it's a Kodak!! Is that a 127mm? Mine is a Zeiss Anastigmat from 110mm from a Zeiss Nettar which was...
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    Wooden camera

    Or possibly it did!! Have a look at this: http://www.jesusneverexisted.com/shroud.html


    Steve.
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    120 BACKS HELP WANTED

    If 6x9 is big enough then an old folding camera with its lens, bellows, etc. removed would work and be very cheap. Don't destroy a good one though!!


    Steve.
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    UPDATED- anyone know this camera?

    One more item of interest. Retro Photographic in the UK is selling 9x12cm glass plates!!
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    UPDATED- anyone know this camera?

    I bought one of these for next to nothing on eBay a while ago and can confirm that it is for 9 x 12cm film.

    I used the lens on my home made 5x4" camera and this lens easily covers that format...
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    Ultra Pinhole?

    They should do a contact print on printing out paper!
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