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Albedo (/ æ l ˈ b iː d oʊ / al-BEE-doh; from Latin albedo 'whiteness') is the fraction of sunlight that is diffusely reflected by a body. It is measured on a scale from 0 (corresponding to a black body that absorbs all incident radiation) to 1 (corresponding to a body that reflects all incident radiation).
Specific black-and-white photographs. It should not contain the images (files) themselves, nor should it contain free- or fair-use images which do not have associated articles. It should not contain the images (files) themselves, nor should it contain free- or fair-use images which do not have associated articles.
The contrast ranges from black at the weakest intensity to white at the strongest. [1] Grayscale images are distinct from one-bit bi-tonal black-and-white images, which, in the context of computer imaging, are images with only two colors: black and white (also called bilevel or binary images). Grayscale images have many shades of gray in between.
Although digital images captured in color can be modified with a digital black and white process, some specialized cameras photograph natively in black and white with no option for color. [10] Black and white digital cameras are often designed without a Bayer filter, avoiding the demosaicing process and meaning that a camera will only capture ...
The expense of color film as compared to black-and-white and the difficulty of using it with indoor lighting combined to delay its widespread adoption by amateurs. In 1950, black-and-white snapshots were still the norm. By 1960, color was much more common but still tended to be reserved for travel photos and special occasions.
If an observer looks through a prism at a white disk on a black background, two subsidiary images are seen. This is due to double refraction as the light bends twice, when entering and leaving the prism. With this double refraction, the two subsidiary images appear as one above and one below the main image.
The majority of black-and-white infrared art, landscape, and wedding photography is done using orange (Wratten #15 or 21), red (#23, 25, or 29) or visually opaque (#72) [d] filters over the lens to block the blue visible light from the exposure. Very dark-red (#29) filters block out almost all blue, and visually opaque (#70, 89b, 87c, 72 ...
Black-and-white photographs (1 C, 173 P) Monochrome photography (1 C, 16 P) T. Black-and-white television episodes (54 P) Black-and-white television shows (8 C, 22 P)