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  1. Worldwide Pinhole Photography Day was celebrated around the planet on 28 April Visit the gallery to view the more than pinhole photographs taken on that day from participants in 35 countries! Pinhole Photography – History, Images, Cameras, Formulas by Jon Grepstad.
  2. The last Worldwide Pinhole Photography Day was celebrated around the planet on April 26, Visit the gallery to view the pinhole photographs taken on that day from participants around the world!. If you made a pinhole photo during this year's Pinhole Day, click here to submit your photograph.
  3. As far as I've understood, optimal diameter for pinhole size is calculated by formula. where. d - the optimal diameter for pinhole c - constant f - focal length (distance between pinhole and film/sensor) λ - wavelength of light the pinhole should be optimized for. f and λ should be in same units as desired for d. Different sources seem to agree that about nm (green-yellow) is a good.
  4. The photographs are fantastic and printed well on excellent paper. A great variety of photographers and pinhole camera techniques are represented in the book. The book would have received 5 stars except for the hardcover. I love the idea of the flush cut cover, but the flush cut exposes the cardbroad interior to cause separation after excessive.
  5. Thus, at any given instant, one pinhole of a matched pair of pinholes is precisely aligned on the illumination side of the spinning disk's axis to act as a point source. Confocal microscopes. In addition, gas released from the inclusions may create holes very similar to pinholes formed in a solidification film.
  6. Pinhole (optics) – I propose that we move this article to pinhole and broaden it to cover pinholes in general, since we do not have an article on them. I imagine that their use in optics will remain a dominant part of the article. Srleffler , 14 January (UTC). Strong oppose broadening the topic. I see no usefulness in broadening the topic to non-optics subjects, and great dilution.
  7. Pinhole Pro S | Widest Professional Pinhole Lens - Boasting 11mm & 37mm Wide-Angle Focal Lengths with Up to ° Field of View - Canon out of 5 stars 4 $ $
  8. Pinhole photography, camera,calculator links references. PINHOLE CAMERAS PINHOLE PHOTOGRAPHY PINHOLE PHOTOS PINHOLE PICTURES PINHOLE CALCULATORS PINHOLE DESIGN PINHOLE REFERENCES PINHOLE PHOTOGRAPHERS PINHOLE DESIGN PINHOLE CALCULATIONS.

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