Guide Number (ISO100): 60m, 198ft. (105mm), 40m, 132ft. (35mm)
Focal length Coverage: 24~105mm (18mm with wide angle diffuser)
Power Source: 4 x AA battery
Recycle Time: 0.1-5.5 sec. (Alkaline, NiMH)
Number of Flashes: 150-1500 times
Flash Duration: Manual mode 1/300 (Full Power) , TTL mode 1/300-1/30000 sec.
Energy Saving: Auto power off Off, 10, 15, 30, 45, 60 mins
Stand-by mode 30 sec.
Display off Display screen switch off
Color Temperature: 5600K
Flash Power Control System: Full Auto E-TTL, E-TTL II (for Canon) Ev compensation adjustment on camera
TTL E-TTL, E-TTL II (for Canon) [Advanced] Ev compensation, Manual zoom, Sub-flash allowed
Auto Aperture Flash F1.4-F16 (ISO100), 1/3 Ev steps, [Advanced] Manual zoom, Sub-flash allowed
Manual Power Full-1/128, 1/3Ev steps, [Advanced] Manual zoom, Sub-flash allowed
Multi-flash Frequency-90Hz, 1-90 times, Power 1/8-1/128
Wireless Remote flash Slave:
Slave Digital Slave / Film Slave, [Advanced] Sub-Flash Allowed
Wireless TTL Master / Remote, 4 Channels, 3 Groups (A, B, C)[RMT, RMT2 for Sony], Modes: Off/ TTL/ Manual, TTL Flash Ratio Adjustable
Ev Compensation on flash: -0.3 - +3.0, 1/3Ev steps
My TTL setting: -0.3 - +3.0, 1/3Ev steps
Bounce Function: Upward 90 degree, Left 90 degree, Right 180 degree
Sub-flash: Manual Full - 1/128, 1Ev steps
FE/FV Lock: [FEL] OR [*] Button for Canon, [AE-L]
Rear curtain sync.: Yes
High speed sync.: Yes
AF assist light distance: 0.7-10m
Operation Control mode: Color Display (Auto Rotation)
Firmware Update Terminal: USB
X terminal: Yes
External power pack socket: Nissin Power Pack PS-300, Canon original pack
Dimension: 74(W) x 139(H) x 113(D) mm / 2.91(W) x 5.47(H) x 4.45(D) inches
Weight: 380gr. w/o battery