Old Vintage Cameras: Petri 35mm SLR Film Camera

Friday, November 10, 2017

Petri 35mm SLR Film Camera

https://www.etsy.com/listing/553105213/petri-ft-1000-slr-35mm-film-camera?ref=shop_home_active_40

Vintage Petri 35mm SLR Film Camera

Petri FT 1000 35mm SLR Film Camera circa 1976 - This Petri SLR Film Camera, the FT 1000, was made around 1976 in Japan. The camera is in fair age specific condition and no testing was performed as the camera is still loaded with film and we have priced it accordingly.

What is a Camera Obscura?

The camera obscura (Latin; camera = vaulted chamber | obscura = dark, thus darkened chamber or room) is an optical device that projects an image of its surroundings on a screen. It is used in drawing and for entertainment, and was one of the inventions that led to photography. The device consists of a box or room with a hole in one side. Light from an external scene passes through the hole and strikes a surface inside where it is reproduced, upside-down, but with color and perspective preserved. The image can be projected onto paper, and can then be traced to produce a highly accurate representation. Using mirrors, as in the 18th century overhead version (illustrated in the History section below), it is possible to project a right-side-up image. Another more portable type is a box with an angled mirror projecting onto tracing paper placed on the glass top, the image being upright as viewed from the back. As a pinhole is made smaller, the image gets sharper, but the projected image becomes dimmer. With too small a pinhole the sharpness again becomes worse due to diffraction. Some practical camera obscuras use a lens rather than a pinhole because it allows a larger aperture, giving a usable brightness while maintaining focus.

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Friday, November 10, 2017

Petri 35mm SLR Film Camera

Vintage Petri 35mm SLR Film Camera

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