Nikon D90 User Manual page 260

Filters
Software
80dycap
Water
guards
Optional
flash units
(pg.233)
• Nikon filters can be divided into three types: screw-in, slip-in, and rear-
interchange. Use Nikon filters; filters manufactured by other makers may
interfere with autofocus or electronic range finding.
• The 090 can not be used with linear polarizing filters. Use the C-PL circular
polarizing filter instead.
• The NC and L37C filters are recommended for protecting the lens.
• To prevent moire, use of a filter is not recommended when the subject is framed
against a bright light, or when a bright light source is in the frame.
• Center-weighted metering is recommended with filters with exposure factors
(filter factors) over 1
x
(Y44, Y48, Y52, 056, R60, XO, Xl, C-PL, N02S, N04, N04S,
N08, N08S, N0400, A2, A12,82,88,812).
Water Guard WG-AS3: Covers"the base of the optional 58-900 flash unit to protectthe
camera accessory shoe from water droplets.
• Nikon Speedlights S8-900, S8-800, S8-600, and S8-400
• Nikon Wireless Remote Speedlight S8-R200
• Wireless Speedlight Commander SU-800
• Capture NX
2: A
complete photo editi"ng- package.
• Camera Control Pro 2: Control the camera remotely from a computer and save
photographs directly to the computer hard disk.
Note: Use the latest versions of Nikon software. Most Nikon software offers an auto
update feature when the computer is connected to the Internet.
80dy
Cap:
The body cap keeps the mirror, viewfinder screen, and low-pass filter free
of dust when a lens is not in place.
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