Flash for DSLR & mirrorless System

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.


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

Power Source: 4 x (LR-6) Size “AA” Batteries (Not Included)


i40C (suitable for Canon Camera), i40N (suitable for Nikon Camera), i40S (suitable for Sony Camera), i40O (suitable for Olympus Camera), i40FT (suitable for Fujifilm Camera)


There are no reviews yet.

Be the first to review “Nissin i40”

Your email address will not be published. Required fields are marked

Returns & Refunds policy?

Items can be returned within 14 days upon receipt of shipment. However, change of mind returns is not applicable for the following products:

What is the return policy for items delivered by sellers?

You may only return the item if it is defective or damaged. Once the proof of delivery has been signed, you may not return the item under Change of Mind.

Does offer replacements for valid returned items and cancelled orders?

Replacements are currently only applicable for returned items. Please indicate in the return form that you wish to have a replacement made.

How long is the quality evaluation process?

The quality evaluation process may take 2 to 4 business days once the item reaches our Warehouse.

The refund process only begins after we have completed evaluating your returned product.

How long is the refund process?

Upon completion of the quality evaluation, a refund will be initiated and should be completed within the day.

How soon will I receive my refund?

Our refund time depends on the refund method.




*The discount is valid until 24.10.2020