The Nissin Macro Flash MF18 for Canon E-TTL/E-TTL II Systems incorporates a high level of creativity and professional features and an impressive high power Guide Number of 16m (100 ISO). The flash head extends in diameter and will fit lenses from 49 to 82mm with mount adaptors. The round flash tube and LED modeling lamps give even lighting. Power ratio can be adjusted down to 1/1024 in the Fine Macro mode.

Specifications:

Focal length Coverage	80 x 80 Deg.
Power source	4 x AA battery
Recycle time	0.1-5.5 sec. (Alkaline, NiMH)
Number of Flashes	120-800
Flash Power Control System	Full Auto mode: E-TTL, E-TTL II TTL mode: E-TTL, E-TTL II Fine Macro mode: 1/128-1/1024, 1/6 Ev steps Manual mode: Full-1/64, 1/3 Ev steps
Rear curtain sync	Yes
High speed sync	Yes (available in TTL mode only)
Ev Compensation on flash	-0.3 to +3.0, 1/3Ev steps
My TTL setting	-0.3 to +3.0, 1/3Ev steps
LED modeling lamps	4 units
Color temperature	5600K at full power flash
Flash Duration	1/700 seconds at full power (When A and B tube flash together) 1/300 seconds at full power flash (When A or B tube flash individually) 1/700-1/30,000 seconds (When A and B tube flash together)
Wireless Remote flash	Wireless TTL: Master, 4 Channels, 3 Groups (A, B and C) Mode: TTL / Manual, TTL flash ratio is adjustable Slave flash: Digital Slave / Film Slave
Energy Saving	Auto power Off, 10, 15, 30, 45, 60 mins Stand-by mode 30 sec. Display off (Display screen switch off)
Operation Control mode	Color Display (Auto Rotation)
Firmware Update Terminal	USB
X terminal	Yes
External power pack socket	Nissin Power Pack PS300 / Canon CP-E4 / Nikon SD-8A, SD-9
Adapter Rings	Suitable for lens from 49 to 82 mm
Dimensions	Main body: 115 x 65 x 85mm (4.5 x 2.6 x 3.3 inch) Ring flash: 120 x 134 x 41mm (4.7 x 5.3 x 1.6 inch)
Weight	Without Battery: 446 g / 15.73 oz