Nikon Camera D810 Users Manual

427
ACalculating Angle of View (Continued)
The  DX (24 × 16)  angle of view is about 1.5 times smaller than the 
35 mm format angle of view, while the  1.2× (30 × 20) angle of view is 
about 1.2 times smaller and the  5 : 4 (30 × 24) angle of view is about 
1.1 times smaller.
 To calculate the focal length of lenses in 35 mm 
format when  DX (24 × 16) is selected, multiply the focal length of the 
lens by about 1.5, by about 1.2 when  1.2× (30 × 20) is selected, or by 
about 1.1 when  5 : 4 (30 × 24) is...

428
The camera supports the Nikon Creative Lighting System (CLS) 
and can be used with CLS-compatible flash units.
 The built-in 
flash will not fire when an opt ional flash unit is attached.
The Nikon Creative Lighting System (CLS)
Nikon’s advanced Creative Lighting System (CLS) offers 
improved communication between the camera and compatible 
flash units for improved flash photography.
❚❚CLS-Compatible Flash Units
The camera can be used with the following CLS-compatible flash 
units:
•The SB-910,...

429
•SU-800 Wireless Speedlight Commander : When mounted on a CLS-
compatible camera, the SU-800  can be used as a commander 
for remote SB-910, SB-900, SB-800, SB-700, SB-600, or SB-R200 
flash units in up to three groups.
 The SU-800 itself is not 
equipped with a flash.
AGuide Number
To calculate the range of the flash  at full power, divide the Guide 
Number by the aperture.
 If, for example, the flash unit has a Guide 
Number of 34 m or 111 ft (ISO 100, 20 °C/68 °F); its range at an aperture 
of...

430
The following features are available with CLS-compatible flash 
units:
SB-910, SB-900,SB-800
SB-700SB-600SU-800SB-R200SB-400SB-300
Single flash
i-TTL
i-TTL balanced fill-flash for 
digital SLR1zzz——zz
Standard i-TTL flash for digital 
SLR z
2zz2——
zz
AAAuto aperture z3——————
ANon-TTL autoz3——————
GNDistance-priority manual zz—————
MManual zzz——z4z4
RPTRepeating flash z——————
Advanced Wireless Lighting
Master
Remote flash controlzz
—z———
i-TTLi-TTL zz—————
[A:B]Quick wireless flash control —z—z5———...

431
1 Not available with spot metering.
2 Can also be selected with flash unit.
3 AA/A mode selection performed on flash unit using custom settings.
 Unless lens data have 
been provided using the  Non-CPU lens data  option in the setup menu, “A” will be 
selected when a non-CPU lens is used.
4 Can only be selected with camera.
5Available only during  close-up photography.
6 Unless lens data have  been provided using the Non-CPU lens data  option in the setup 
menu, non-TTL auto (A) is used with non-CPU...

432
❚❚Other Flash Units
The following flash units can be used in non-TTL auto and 
manual modes.
Flash unitSB-80DX, 
SB-28DX, 
SB-28, SB-26,  SB-25, SB-24
SB-50DX
SB-30, SB-271, 
SB-22S, SB-22, 
SB-20, SB-16B,  SB-15SB-23, SB-292, 
SB-21B2, 
SB-29S2Flash mode
A Non-TTL auto ✔— ✔ —
MManual ✔✔ ✔ ✔
G Repeating flash ✔—— —
REAR Rear-curtain 
sync
3✔✔ ✔ ✔
1 Flash mode is automatically set to  TTL and shutter-release is disabled.
 Set flash unit to A (non-
TTL auto flash).
2 Autofocus is available with AF -S...

433
DNotes on Optional Flash Units
Refer to the flash unit manual for detailed instructions. If the unit 
supports CLS, refer to the section on CLS-compatible digital SLR 
cameras.
 The D810 is not included in the “digital SLR” category in the 
SB-80DX, SB-28DX, and SB-50DX manuals.
i-TTL flash control can be used at ISO sensitivities between 64 and 
12800.
 At high ISO sensitivities, noise (lines) may appear in photos 
taken with some optional flash unit s; if this occurs, choose a lower 
value.
 At...

434
The SB-910, SB-900, SB-800, SB-700, SB-600, and SB-400 provide red-
eye reduction, while the SB-910, SB-900, SB-800, SB-700, SB-600, and 
SU-800 provide AF-assist illumination with the following restrictions:
• SB-910 and SB-900 : AF-assist illumination is available when 
17–135 mm AF lenses are used with the focus points 
shown at right.
• SB-800, SB-600, and SU-800 : AF-assist 
illumination is available when 24–105 mm 
AF lenses are used with the focus points 
shown at right.
• SB-700 : AF-assist...

435
AFlash Control Mode
The information display shows the flash control mode for optional 
flash units attached to the camera accessory shoe as follows:
Flash syncAuto FP ( 0330)
i-TTL
Auto aperture (AA)
Non-TTL auto flash (A)
Distance-priority manual (GN)
Manual
Repeating flash—
Advanced wireless lighting
DUse Only Nikon Flash Accessories
Use only Nikon flash units . Negative voltages or voltages over 250 V 
applied to the accessory shoe  could not only prevent normal 
operation, but damage the sync ci...

436
At the time of writing, the following accessories were available 
for the D810.
Other Accessories
Power sources•
Rechargeable Li-ion Battery EN-EL15  (0 13, 14): Additional 
EN-EL15 batteries are available from local retailers and 
Nikon-authorized service representatives.
• Battery Charger MH-25a  (0 13): The MH-25a can be used 
to recharge EN-EL15 batteries.
 MH-25 battery chargers 
can also be used.
• Multi-Power Battery Pack MB-D12 : The MB-D12 is equipped 
with a shutter-release button,  B...