| HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|
| 8526925000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8526921000 | Doc | 30.0% | CN | US | 2025-05-12 |
| 8517690000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8517620090 | Doc | 20.0% | CN | US | 2025-05-12 |
| 9006610020 | Doc | 37.5% | CN | US | 2025-05-12 |
| 9006910001 | Doc | 43.3% | CN | US | 2025-05-12 |
| 9032896085 | Doc | 56.7% | CN | US | 2025-05-12 |
| 9032896075 | Doc | 56.7% | CN | US | 2025-05-12 |
Wireless Flash Trigger
A wireless flash trigger (also known as a remote flash trigger, flash remote, or radio flash trigger) is a device used to remotely fire off-camera flashes. It eliminates the need for physical connection cables between the camera and flash units, providing greater flexibility in lighting setups.
Material
Wireless flash triggers typically consist of a transmitter unit that attaches to the camera's hot shoe and a receiver unit that connects to the flash. Common materials used include:
- Plastic: Housing for both transmitter and receiver units. ABS plastic is frequently employed for its durability and cost-effectiveness.
- Metal: Often used for hot shoe mounts and connectors to ensure a secure connection and longevity. Aluminum alloys are common.
- Electronic Components: PCBs (Printed Circuit Boards), microchips, resistors, capacitors, and other electronic parts are essential for signal transmission and reception.
- LCD Screen: Some models incorporate LCD screens for displaying settings and channel information.
Purpose
The primary purpose of a wireless flash trigger is to enable off-camera flash photography. This allows photographers to:
- Control Lighting Angle: Position flashes away from the camera's built-in flash position to create more dynamic and flattering light.
- Multiple Flash Control: Simultaneously trigger multiple flashes for complex lighting schemes.
- Reduce Red-Eye: By separating the flash from the camera lens axis.
- Increase Creative Control: Explore various lighting techniques such as bouncing flash, using softboxes, and creating rim lighting.
Function
Wireless flash triggers operate by transmitting a signal from the transmitter to the receiver. When the shutter button is pressed, the transmitter sends a radio signal (most common) or optical signal to the receiver, which then instructs the flash to fire. Key functionalities include:
- Signal Transmission: Transmitting the firing signal over a specific frequency (radio triggers) or using a pre-flash (optical triggers).
- Channel Selection: Allowing multiple photographers to use the same triggers in close proximity without interference.
- Group Control: Assigning flashes to different groups for independent control of power and firing.
- Power Adjustment: Some triggers allow remote adjustment of flash power levels.
- High-Speed Sync (HSS): Enabling the use of faster shutter speeds than the camera's flash sync speed, useful for outdoor portraits and action photography.
- TTL (Through-The-Lens) Control: Allowing the camera's automatic exposure system to control the flash power output.
Usage Scenarios
- Portrait Photography: Creating soft, directional lighting with off-camera flashes.
- Wedding Photography: Lighting reception venues and capturing dynamic shots.
- Event Photography: Providing consistent and controlled lighting in challenging environments.
- Studio Photography: Setting up complex multi-flash lighting setups.
- Outdoor Photography: Utilizing HSS to overcome limitations of ambient light.
Common Types
- Radio Triggers: The most popular type, offering greater range, reliability, and features. Brands include Godox, Profoto, PocketWizard, and Yongnuo.
- TTL Radio Triggers: Support TTL functionality for automatic exposure control.
- Manual Radio Triggers: Require manual power setting adjustments.
- Optical Triggers: Utilize the camera's pre-flash to trigger the flash. Less reliable than radio triggers, susceptible to interference from ambient light and other flashes.
- Infrared (IR) Triggers: Similar to optical triggers, using infrared light for communication. Limited range and reliability.
- Camera-Specific Triggers: Designed to work specifically with certain camera brands (e.g., Nikon, Canon, Sony), offering seamless integration and compatibility.
Based on the provided information, a wireless flash trigger falls under the category of photographic flashlight apparatus. Here's a breakdown of relevant HS codes:
- 9006610020: Discharge lamp ("electronic") flashlight apparatus Capable of camera mounting: Capable of automatically controlling flash duration. This HS code specifically covers electronic flash units designed to be mounted on cameras and capable of automatic flash duration control. A wireless flash trigger that functions as a standalone flash unit with these features would fall under this code.
- 9006910001: Parts and accessories: For cameras. If the wireless flash trigger is considered an accessory for a camera (e.g., it doesn't function independently as a flash but solely controls another flash unit), it may be classified under this code.
- 8526925000: Radar apparatus, radio navigational aid apparatus and radio remote control apparatus: Other: Radio remote control apparatus: Other. If the wireless flash trigger primarily functions as a remote control device to activate a separate flash unit, and doesn't have significant flashlight capabilities itself, this HS code could be applicable. However, this is less likely if the device incorporates flash functionality.
Important Considerations:
Regarding HS code 9006610020, the device must be a discharge lamp (“electronic”) flashlight apparatus and be capable of automatically controlling flash duration to be accurately classified under this code.
Regarding HS code 9006910001, it is important to determine if the wireless flash trigger is considered a part or accessory for a camera. If it functions independently, it should not be classified under this code.