WW II Airplane Black and White Photo

Sov TB 7- Original WWII photo reproduction produced around the early 1940s (most likely 1941 – 1943), measures approximately 8 1/2 x 5 1/2 inches and are Original Black and White photos printed on paper-stock in good used condition and ready for framing, sold as a collectible and sold as is. From the original envelope containing this picture – “Ready for Framing – These photographs are guaranteed reproductions of official photographs Plane Facts Inc 133 W 19th St New York, NY “

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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.