Hs photo1 pinhole_cam_fm-2

PINHOLE PHOTOGRAPHY

WHAT IS PINHOLE PHOTOGRAPHY? Pinhole photography is lensless photography. A tiny hole replaces the lens. Light passes through the hole; an image is formed in the camera

HOW IT WORKS

We see things because light rays reflect off of them and these reflected rays form an image on the retina.
A camera is a mechanical eye.
pupil = pinhole
eyelid = shutter
retina = film
HOW IT WORKS

CHARACTERISTICS OF PINHOLE PHOTOGRAPHY  Pinhole images are softer – less sharp – than pictures made with a lens.  The images have nearly infinite depth of field.  Images are exposed on film or paper – negative or positive; black and white, or color.

 Pinhole images tolerate little enlargement.
To get clear, sharp pictures, the camera must remain very still while the shutter is open.
 Exposure time varies in length ranging from half a second to several hours.
CHARACTERISTICS

Davison, George English (b. Dresser, 1854-1930) TITLE ON OBJECT: The Onion Field 1889 photogravure print 15.4 x 20.5 cm. FIRST KNOWN PINHOLE CAMERA PHOTOGRAPH

A pinhole camera is a small, light-tight can or box with a black interior and a tiny hole in the center of one end. You can design it to accept roll or sheet film. The two ends of the camera are parallel. The end opposite the pinhole is flat so that the film is held in a flat plane. The pinhole has a cover to prevent light from entering the camera when you aren't taking a picture. PINHOLE CAMERA

Pinhole cameras may have one pinhole or several . Multiple pinhole cameras produce overlapping images or, with certain designs, panoramic images. PINHOLE CAMERA

EXAMPLES MAT  MATCHBOX  ELARGER  CAMERA  FILM CANISTER  BOX  COFFEE-MATE CONTAINER

EXAMPLES

EXAMPLES S

http://www.pinhole.org /
http://www.photo.net/learn/pinhole/pinhole http://users.rcn.com/stewoody/photo.htm http://www.kodak.com/global/en/consumer/education/lessonPlans/pinholeCamera/pinholeCanBox.shtml http://www.wandascott.com/pinholecameras.html B BIBLIOGRAPHY

Hs photo1 pinhole_cam_fm-2

by Brent Green on Sep 08, 2010

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Hs photo1 pinhole_cam_fm-2 — Presentation Transcript