Simple and compact

Nissin i400 (40GN @ 105) with a pocket-size only weights 203g. It is suitable for shadow filling even on the sunniest day. It also perfect for family shooting, indoor/ outdoor shooting and especially suitable for travelling. Functions are included: TTL mode; Supports up to 1/8,000 seconds shutter speed (*1); Simple operation panel with two selector dials to operate the flash; Flash head tilts up and rotates horizontally to right and left for making bounced lighting more versatile by utilizing more angles.




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 a different type of camera, please check your camera instruction manual.
FP High-Speed Sync setting in A, M and TTL mode is controlled by the camera. Please check your camera instruction manual.

i400 Firmware update


How to check the Firmware version of i400:

  1. Turn on the flash.

  2. Pressing the Pilot button and Power button at the same time for a second.

  3. The indicator lamp A and C will twinkle until taking off batteries, the twinkling times means firmware version. For example: 
    Indicator lamp A twinkling 4 times, Indicator lamp C twinkling 2 times, i400 version is 4-2.

  • *The firmware update is not required if the version is the latest.

The latest firmware version

1-3 for Canon

1-2 for Nikon (Updated on 2019 Jul)

1-1 for Sony

1-1 for Fujifilm

1-1 for Four Thirds

Firmware update

Please contact our official distributors for firmware update service.