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i40 Nomenclature & Specification

i40 Introduction

Nomenclature

E_i40_name

Specifications

Type : For Canon, Nikon, Sony DSLR System, 4/3 & Fujifilm mirrorless System
Guide no.
(at ISO 100 in m) :
GN40 [at 105mm (53mm) zoom head position]
GN27 [at 35mm (18mm) zoom head position]
Focal length coverage : 24mm (12mm) - 105mm (53mm) [16mm (8mm) when using built-in wide panel]
Power Source : Four size-AA Alkaline, 1.2V NiMH batteries
Recycling Time : 0.1 ~ 4sec
Number of flashes (Approx.) : 220 ~ 1,700 flashes
LED video light lighting time (Approx.) 3.5hrs (full power batteries)
Flash duration : 1/800 ~ 1/20,000sec
Color Temperature : 5,600 K
Exposure control : E-TTL II/ E-TTL (Canon) 、 iTTL (Nikon), PTTL (Sony),TTL (4/3), TTL Fujifilm
Wireless Mode : Wireless TTL slave (*1) (*3), non-TTL Slave (SD, SF mode) (*2)
EV compensation on flash : +/- 2EV in increments of 1/2 of EV
Bounce position : Up: 0-90°,
Left: 0-180°,Right: 0-180°
Flash exposure control : 1st & 2nd curtain synchronization, High speed synchronization (*3), redeye reduction, slow synchronization (depend on camera), FE/ FV lock (set on camera)
AF-assist beam effective range : 0.7 - 5m
Operation panel : 2 Selector dials (Function dial and Power dial)
Manual mode power ratio : 1/256 ~ 1/1
Video light : Built in video light with 9 steps of output level adjustment
Accessories : Soft case, Flash stand (with screw), Soft box, Carabiner (not for climbing)
Dimension (Approx.) : 85(H)x61(W)x85(D)mm/ 3.35(H)x2.4(W)x3.35(D)inch
Weight : 203g/ 7.16oz (without batteries and soft box)

Notice: Design and specification are subject to change without prior notice.

Reference:
Focal length distance
Focal length coverage 24-105mm which is according to 35mm CCD format. For Four Thirds camera, focal length distance is indicated in 12-53mm.
For different type camera, please check your camera instruction manual.

(Four Thirds) FP High- Speed Sync
FP High-Speed Sync setting in A, M, TTL mode and wireless mode are controlled by master unit. Please check your camera instruction manual.

(*1): Only applicable to wireless Slave mode. Group A - C (any channel 1 - 4)
 
(*2): SD - Slave Digital (synchronizes to the pre-flash system. The master flash is to be set at TTL (E-TTL for Canon, i-TTL for Nikon and ADI/P-TTL for Sony) mode.
SF - Slave Film. synchronizes to the traditional single flash system. The master flash is to be set at manual mode. Studio lighting system synchronizes to this mode. This mode is also available for open flash, and for a standard flash in the market.
 
(*3): Except for Fujifilm version

i40 Introduction