Nikon 1799 Digital Camera User Manual


 
Focusing Screens
168
Optional Accessories—continued
Supplied with the F6 camera. Fine-ground matte field with focus
brackets. Good for general photography.
Matte/Fresnel field with 12mm-dia. reference circle and focus
brackets. Suitable with telephoto lenses longer than 200mm.
Center-Weighted or Spot metering is recommended.
Etched horizontal and vertical lines added to B-type screen make
the E-type screen suitable for copying and architectural
photography. Especially for use with PC-Nikkor lens.
Fine-ground matte field with 5mm-dia. clear spot and cross hair for
use in parallax focusing on aerial images, plus millimeter scales for
calculating magnification of individual objects or for measuring
objects. Brilliant image in dim light. Suitable for close-ups,
photomicrography and other high-magnification applications.
Matte/Fresnel field with central 5mm-dia. microprism focusing spot
and 12mm-dia. reference circle. Good for general photography.
Matte/Fresnel field with 5mm-dia. BriteView split-image
rangefinder. Rapid, accurate focusing for subjects with both
straight lines and ill-defined contours. Suitable for general
photography.
Same as Type A but with BriteView split-image rangefinder line at
a 45° angle. Rapid, accurate focusing for subjects with both
straight lines and ill-defined contours. Suitable for general
photography.
B
U
E
M
J
A
L
Type M focusing screen
Exposure measurement is not possible with type M screen.
When using type M screen, it is recommended to set Off in the Custom Setting
a5-1: Manual focus in a5: Focus area illum (x 95) due to the optical
characteristic of the type M screen.
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