| opt. |
Blende f (a measure of the light-gathering power of the aperture; the ratio of the focal length to the diameter of the largest entering parallel beam that can pass through the lens); Blendengröße f (a measure of the light-gathering power of the aperture; the ratio of the focal length to the diameter of the largest entering parallel beam that can pass through the lens); Blendennummer f (a measure of the light-gathering power of the aperture; the ratio of the focal length to the diameter of the largest entering parallel beam that can pass through the lens); Blendenwert m (a measure of the light-gathering power of the aperture; the ratio of the focal length to the diameter of the largest entering parallel beam that can pass through the lens); Blendenzahl f (a measure of the light-gathering power of the aperture; the ratio of the focal length to the diameter of the largest entering parallel beam that can pass through the lens) |
