Инструкции Пользователя для Nikon D7500 18-300mm Lens Kit

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Exposure
Choose how the camera sets exposure in PSA, and M modes (in 
other modes, the camera selects the metering method 
automatically).
Metering
(PSA, and M Modes Only)
Option
Description
a
Matrix
: Produces natural results in most situations. Camera 
meters wide area of the frame and set exposure according to 
tone distribution, color, composition, and, with type G, E, or D 
lenses (
0 280), distance information (3D color matrix metering 
III; with other CPU lenses, camera uses color matrix metering III, 
which does not include 3D distance information).
Z
Center-weighted
: Camera meters entire frame but assigns greatest 
weight to center area (size of area for viewfinder photography 
can be selected using Custom Setting b5, Center-weighted 
area
0 262). Classic meter for portraits; recommended when 
using filters with an exposure factor (filter factor) over 1×.
b
Spot
: Camera meters circle centered on current focus point, 
making it possible to meter off-center subjects (if auto-area AF 
is in effect, camera will meter center focus point). Diameter of 
circle for viewfinder photography is 3.5 mm (0.14 in.), or 
approximately 2.5% of frame. Ensures that subject will be 
correctly exposed, even when background is much brighter or 
darker.
4
Highlight-weighted
: Camera assigns greatest weight to highlights. 
Use to reduce loss of detail in highlights, for example when 
photographing spotlit performers on-stage.