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  1. Thread: Polaroid pinhole

    by Mie
    Replies
    5
    Views
    721

    Polaroid pinhole

    Is 3.5" x 4.25" film awailable in sheets? Polaroid or fuji?

    It seems that I really have to waste whole pack to search how to do that. After that it still seem to be little hard.
  2. Thread: Polaroid pinhole

    by Mie
    Replies
    5
    Views
    721

    Polaroid pinhole

    I have a posibility to get cheap polaroid pack film.

    After reading this...
    http://www.flickr.com/photos/duchamp/2177521907/in/pool-make/

    ...I really got intrested. BUT It seems that that guy...
  3. Thread: DIY Ground Glass

    by Mie
    Replies
    11
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    3,008

    DIY Ground Glass

    Thanks!
  4. Thread: DIY Ground Glass

    by Mie
    Replies
    11
    Views
    3,008

    DIY Ground Glass

    Heipä hei sinullekkin

    80, 150 ja 220 Silicon carbide (SiC) are allso awailable. Shoud I use that first or mix that and aluminium oxide together?

    Hei hei ja nähdään taas
  5. Replies
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    2,191

    what lenses to choose?

    Hyvää päivää:

    Thank you both.. That helped a little. I think I need to just test my self these things. Some basic informations still help a lot in these things.
  6. Replies
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    what lenses to choose?

    I want to use my own optics (for learning AND artistic purposes) in my DIY large format camera. Problem is that i don't undertand anything about optics more than wikipedia lens article tells.

    I am...
  7. Thread: DIY Ground Glass

    by Mie
    Replies
    11
    Views
    3,008

    DIY Ground Glass

    Thanks! That helped a lot with my further investigation.

    I have been able to find 6, 15, 39 micron aluminium oxide here in Finland.

    The firm advised to use first 15 micron and later 6 micron to...
  8. Thread: DIY Ground Glass

    by Mie
    Replies
    11
    Views
    3,008

    DIY Ground Glass

    I need large ground glass for my project. I really would like to do it in "DIY way".

    http://blog.makezine.com/archive/2006/03/how_to_make_your_own_ground_gl.html

    That link has link to this...
  9. Replies
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    Large format camera optics

    I have already made some calculations and with extreme wide angle explosure times with large format would still be something like months with bright sunlight (no exoplosure at night is considered).
  10. Replies
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    1,624

    Large format camera optics

    Sad... I think I have to bury this idea and buy some Welding glass to get several hour explosure. It is not the same, but it has to be enugh.

    I still think that cyanotype camera in cool idea.
  11. Replies
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    Large format camera optics

    I would like to build camera with A4 sized negative (21cm x 30cm) or something near that size. Only proble I have is the lens.

    Negeative material will be cyanotype-paper, which means that pinhole...
  12. Replies
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    Ultimate depft of field AND sharp images.

    Actually I think that will be my next project. Still have do some research about that.
  13. Replies
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    2,481

    Ultimate depft of field AND sharp images.

    Yes. There in no way that you can get image that sharp with pinhole, if you are using standard 35mm camera. I even got sharper images than that when I used smaller and more round pinhole. Now I can...
  14. Replies
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    Ultimate depft of field AND sharp images.

    I have found a solution.

    I you put standard SLR lend in front of a pinhole you can get reasonably sharp images (much sharper than with regular pihole) even with 35mm frame. Even with my quite poor...
  15. Replies
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    Ultimate depft of field AND sharp images.

    I am quite sure that there in not. I am just looking for best possible compromice.



    Yes. As close as zero --> infinity is would be just enough.



    Thanks. I have to make some research for...
  16. Replies
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    Ultimate depft of field AND sharp images.

    "I've tried macro photography with a 21mm near symmetrical lens for a 35mm rangefinder camera reverse mounted on a 4x5 camera. Even at the smallest aperture it doesn't give the depth of field I want,...
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    Ultimate depft of field AND sharp images.

    I have long wanted to have pinhole type depht of filed and sharp picture. I mean "extremely macro" photographs with field of depth to infinity. Of course these can be archived with pinholes. Problem...
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    How to , build a video recorderwith we

    I am not expert. Let me still tell you how I understod how those work. I there are errors then there are, so be aware of that.

    Color ccd:s work so that there are R, G and B sensors in it.

    Ccd:s...
  19. Replies
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    Scanner Pinhole Camera

    Sad.. It seem that this project of mine wound go further if I do not manage to tweak scan speed (=explosure time). I really don't like zone plates. I am more into pinhole photography.

    Thaks...
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    Scanner Pinhole Camera

    I have been searching help about this topic too.

    At the bottom of that page there is some information:
    http://webspace.ringling.edu/%7Estaft/cameras.html

    These page have some information...
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    Wide Angle with half sphere?

    I remember that I have read somewhwre that putting half sphere inside pinhole camera would make extremely wide angle camera.

    Is this true?
    Does it work at all?
    Is there more information about...
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