Nikon 25432 User Manual - Page 382
Calculating Picture Angle, Picture size D300
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A Calculating Picture Angle The size of the area exposed by a 35-mm camera is 36 × 24 mm. The size of the area exposed by the D300, in contrast, is approximately 23.6 × 15.8 mm, meaning that the diagonal picture angle of a 35-mm camera is approximately 1.5 times that of the D300. To calculate the focal length of lenses for the D300 in 35-mm format, multiply the focal length of the lens by 1.5 (for example, the effective focal length of a 24-mm lens in 35-mm format would be 36 mm when mounted on the D300). Picture size (35-mm format) (36 mm × 24 mm) Lens Picture diagonal Picture size (D300) (23.6 mm × 15.8 mm) Picture angle (35-mm format) Picture angle (D300) n 356
356
n
A
Calculating Picture Angle
The size of the area exposed by a 35-mm camera is 36 × 24 mm.
The size
of the area exposed by the D300, in contrast, is approximately
23.6 × 15.8 mm, meaning that the diagonal picture angle of a 35-mm
camera is approximately 1.5 times that of the D300.
To calculate the focal
length of lenses for the D300 in 35-mm format, multiply the focal length
of the lens by 1.5 (for example, the effective focal length of a 24-mm lens
in 35-mm format would be 36 mm when mounted on the D300).
Picture size (35-mm format)
(36 mm × 24 mm)
Picture diagonal
(23.6 mm × 15.8 mm)
Picture size (D300)
Picture angle (35-mm format)
Picture angle (D300)
Lens