Nikon Close-up Speedlight Kit R1C1

Construction	Wireless remote flash unit with Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry
GN	10/33 (ISO 100, m/ft.), 14/46 (ISO 200, m/ft.)
Coverage	(78° horizontal, 60° vertical)
Flash modes	i-TTL, D-TTL, TTL (film-based cameras), M (manual)
Recycling time	6 seconds or less
No. of flashes	Approximately 290
Bounce	Flash head tilts down (toward optical axis) to 60° with stops at every 15°, and up (away from optical axis) to 45° with stops at every 15°
Flash duration	Approximately 600 ¬s
Mounting foot	Dedicated shoe for SX-1 Attachment Ring or AS-20 Speedlight Stand
Target light	White LED
Power	One 3V CR123A lithium battery
Dimensions (WxHxD)	Approximately 80 mmx?75 mm x 55 mm 3.1″ x? 3.0″ x? 2.2″
Wt	Not Specified by Manufacturer
Transmission mode	Infrared communication
Transmission range	SB-800/SB-600: approximately 20 m (66 ft.) SB-R200: approximately 4 m (13 ft.) along the optical axis
No. of channels	Four
No of groups:	Three
No of transmissions	Approximately 1,200
Transmission interval	Approximately 1 second
Transmission wavelength	800 – 1,000 nm
Coverage	Approximately 78 degrees horizontal and 60 degrees vertical
Display	LCD, ready light
AF-assist illuminator range	Approximately 10 m (33 ft.) at center area using a 50mm f/1.8 lens
Power	One 3V CR123A lithium battery
Wt	Approximately 160 g (5.6 oz.)
Dimensions (W x H x D):	Approximately 68 x 96 x 58 mm (2.7 x 3.8 x 2.3 in.)