Справочник Пользователя для Nikon D4S

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Other Accessories
At the time of writing, the following accessories were available for 
the D4S.
Power sources
• Rechargeable Li-ion Battery EN-EL18a (
batteries can also be used. Additional EN-EL18a batteries 
are available from local retailers and Nikon service 
representatives.
• Battery Charger MH-26a (
0 21, 459): The MH-26a can be used 
to recharge and calibrate EN-EL18a and EN-EL18 batteries.
• Power Connector EP-6, AC Adapter EH-6b: These accessories can 
be used to power the camera for extended periods (EH-6a 
and EH-6 AC adapters can also be used). The EP-6 is 
required to connect the EH-6b to the camera; see 
page 414 for details.
Filters
• Filters intended for special-effects photography may 
interfere with autofocus or the electronic rangefinder.
• The D4S can not be used with linear polarizing filters. Use 
the C-PL or C-PLII circular polarizing filter instead.
• Use NC filters to protect the lens.
• To prevent ghosting, 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× (Y44, Y48, 
Y52, O56, R60, X0, X1, C-PL, ND2S, ND4, ND4S, ND8, ND8S, 
ND400, A2, A12, B2, B8, B12). See the filter manual for 
details.