Nissin i40 Flashgun for Nikon User Manual

1. Introduction

Thank you for choosing the Nissin i40 Flashgun for Nikon. This compact and powerful flash unit is designed to provide versatile lighting solutions for your photography needs. Please read this manual thoroughly before using the flashgun to ensure proper operation and to maximize its potential.

2. Safety Information

To prevent injury to yourself or others, or damage to the product, read all safety precautions before use. Keep this manual for future reference.

• Do not disassemble or modify the flashgun.
• Keep the flashgun away from water and moisture.
• Do not operate the flashgun in the presence of flammable gases or liquids.
• Avoid direct eye exposure to the flash light, especially at close range.
• Use only specified batteries. Ensure correct polarity when inserting batteries.
• Remove batteries if the flashgun will not be used for an extended period.

3. Product Overview

The Nissin i40 is a compact and lightweight flashgun offering a guide number of 40 (at 105mm, ISO 100). It features TTL, manual, and optical slave modes, a built-in diffuser, and a bounce card.

3.1. Components

• Flash Head (rotates and tilts)
• Control Dial
• Mode Button
• Power Switch
• Battery Compartment
• Hot Shoe Mount
• Built-in Diffuser
• Bounce Card

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4. Setup

4.1. Installing Batteries

1. Open the battery compartment cover located on the side of the flashgun.
2. Insert four AA-size batteries (alkaline or Ni-MH rechargeable) according to the polarity indicators inside the compartment.
3. Close the battery compartment cover securely.

4.2. Attaching to Camera

1. Ensure both the camera and flashgun are turned off.
2. Slide the flashgun's hot shoe mount fully into the camera's hot shoe.
3. Tighten the locking wheel on the flashgun to secure it in place.

5. Operating Instructions

5.1. Power On/Off

To turn on the flashgun, slide the power switch to the "ON" position. To turn off, slide it to "OFF". The flashgun will automatically enter sleep mode after a period of inactivity to conserve battery power.

5.2. Mode Selection

Press the MODE button to cycle through the available flash modes:

• TTL (Through-The-Lens): Automatic flash exposure based on camera metering.
• Manual (M): Manually set flash power output (1/1 to 1/256).
• SD (Slave Digital): Optical slave mode for digital pre-flash systems.
• SF (Slave Film): Optical slave mode for traditional single-flash systems.

5.3. Adjusting Flash Head

The flash head can be tilted upwards by 90 degrees and rotated horizontally by 180 degrees to the left and 90 degrees to the right for bounce flash photography.

5.4. Using Built-in Diffuser and Bounce Card

Pull out the wide-angle diffuser panel and the bounce card from the flash head as needed. The diffuser softens the light for wider coverage, while the bounce card helps direct light when bouncing off a ceiling.

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6. Maintenance

Proper maintenance ensures the longevity and optimal performance of your Nissin i40 Flashgun.

• Clean the flashgun body with a soft, dry cloth. Do not use solvents or abrasive cleaners.
• Keep the hot shoe contacts clean and free of dust.
• Store the flashgun in a cool, dry place when not in use.
• Remove batteries if storing for extended periods to prevent leakage.

7. Troubleshooting

8. Specifications

9. Warranty and Support

Nissin products are manufactured to the highest quality standards. This product comes with a limited warranty against defects in materials and workmanship from the date of purchase. Please refer to the warranty card included with your product for specific terms and conditions.

For technical support, service, or warranty claims, please contact your local authorized Nissin distributor or visit the official Nissin website:

www.nissindigital.com