Black and White Photography: Tonal Range

Put simply, the tonal range is the range of tones between the lightest and darkest areas of an image. An image with a wide tonal range will have both Very dark (black) and very light (white) elements within the photograph. An image with a narrow tonal range will be more limited in its tonal scope to mid ranges (varying shades of grays).

Low Key Tones                        High Key Tones

tonal range

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Black and white photography
Black and white photography: Tonal range