Nikon Camera F3AF - Manual (Page 89)

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Туре
К:
Combination of Type А and J screens. Matte/Fresnel fieid with Зттф spilt-
image rangefinder spot surrounded by 1 mm-wide microprism doughnut. Rapid and
accurate focusing for subjects with both straight lines and ill-defined contours.
Suitable for general photography. ш
Type L: Same as Type A screen but with split-image rangefinder line at a 45^ angle.
Best for subjects with horizontal lines.
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Type
M ;
Fine-ground Fresnel field with 5.5ттф clear spot and double cross hair for
use in parallax focusing on aerial image, plus millimeter scales for calculation of
individual magnification of objects or for measuring objects. Brilliant image in dim
light. Suitable for close-ups, photomicrography and other high-magnification
applications.
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Type
P:
Same as Type К but with split-image rangefinder line at a 45° angle and
etched horizontal and vertical lines as an aid to composition. Rapid and accurate
focusing for subject with horizontal or vertical lines or ill-defined contours. Suitable
for general photography.
Type R: Same as Type A but with rangefinder prisms of sloping surfaces at a smaller
angle and horizontal and vertical lines to aid proper composition. Works best with
lenses having maximum apertures from f/3.5 to f/5.6.
Type T: Matte/Fresnel ^eld with split-image rangefinder, 12mm^ reference circle,
and horizontal and vertical lines. Used when preparing slides for TV broadcasts.
Dotted lines indicate standard TV screen format. Solid outline shows “safe action"
area, whereas broken lines indicate “safe title" area.
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туре U: Matte/Fresnel field with Зттф fine-ground matte focusing spot and
12 mm^ reference circle. Utilizes the same matte field as Type B, but with lenses
longer than 100mm the image in the viewfinder is easier to see. With shorter focal-
length lenses, this screen is not suitable because of light fall-off in the comer.
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