Features:

Powerful, compact and portable i-TTL Speedlight unit optimized for use
with Nikon's Creative Lighting System (CLS).

Nikon's most advanced Speedlight with a guide number of 184 feet (at
ISO 100 at 105mm zoom-head position).

Operates a stand-alone Speedlight, wireless Speedlight Commander or
wireless remote unit .

Advanced wireless control provides fully automatic and independent
control of an unlimited number of SB-800, SB-600 and SB-R200
Speedlights.

Control as many as 3 remote groups (A, B and C) with the SB-800's
wireless Commander mode without leaving the camera position.

Four channel options for wireless operation prevents triggering of other
Nikon CLS compatible Speedlights when working in competitive
environments.

Flash Value Lock provides a fixed flash output for more consistent flash
output.

Built-in Wide-area AF (autofocus) illuminator, compatible with every
AF NIKKOR lens and all CLS compatible Nikon cameras.

Flash color information is provided for more accurate flash control.

Auto FP High-speed sync for working with higher shutter speeds
offering greater depth of field control.

Built-in flash compensation: plus or minus 3EV in 1/3rd step increments.

Bounce and swivel flash head control for more creative flash techniques
and lighting effects.


Specifications:

Guide Number: 38/125 (at 35mm) to 56/184 (at 105mm) (ISO 100,
m/ft.)

Electronic Construction:Automatic Insulated Gate Bipolar Transistor
(IGBT) and series circuitry

Flash Exposure Control: i-TTL Balanced Fill-Flash with CLS
compatible cameras, D-TTL with digital cameras not compatible with
CLS, TTL Auto Flash with many film SLRslash head tilts down to -7
degrees or up to 90 degrees.

Lens Coverage: Automatic 24 to 105mm zoom; 14/17mm with built-in
wide flash adapter; 14mm with Diffusion Dome SW-10H.

Minumum Recycling Time: Approx. 2.7 seconds (manual, w/R6 (AA)
- size Ni-Cd or Ni-MH batteries, with Quick Recycle Battery Pack SD-
800), Approx. 6 sec. (manual w/FR6 (AA - size Lithium batteries)

Flash Duration:
1/1050 sec. at M 1/1 (full) output
1/1100 sec. at M 1/2 output
1/2700 sec. at M 1/4 output
1/5900 sec. at M 1/8 output
1/10900 sec. at M 1/16 output
1/17800 sec. at M 1/32 output
1/32300 sec. at M 1/64 output
1/41600 sec. at M 1/128 output


Mfr.# 4810