1. Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of the Mcoplus 14EXT-N 5500K Macro TTL Ring Flash Lite. This advanced lighting solution is designed to enhance macro photography for Nikon DSLR cameras, offering precise control and consistent illumination.
Compatibility: This macro ring flash is compatible with Nikon digital SLR cameras, including models such as D7100, D7000, D750, D5300, D5500, D3300, D3100, D800, D600, D90, and D80.
2. What's in the Box
Please verify that all the following components are included in your package:
- 1 x Mcoplus Macro Ring Flash Light
- 1 x 49mm Metal Adapter Ring
- 1 x 52mm Metal Adapter Ring
- 1 x 55mm Metal Adapter Ring
- 1 x 58mm Metal Adapter Ring
- 1 x 67mm Metal Adapter Ring
- 1 x 72mm Metal Adapter Ring
- 1 x 77mm Metal Adapter Ring
- 1 x Mini Stand
- 1 x Protect Bag
- 1 x User Manual

3. Product Features
- Double Lamp Macro Flash: Features an AB lamp brightness ratio mode, allowing for flexible lighting control to suit various macro photography needs.
- TTL Ring Flash: Offers a maximum Guide Number (GN) of 14 (ISO 100 meter), ensuring sufficient illumination for close-up subjects.
- External Power Socket: Provides an option for external power, extending usage time.
- Automatic Settings Saving: The unit automatically saves your settings for convenience.
- Sound Prompt System: Provides audible feedback for operational status.
- High-Speed Recycling System: Ensures quick flash readiness for continuous shooting.
- Large LCD Display: A clear and large LCD screen facilitates easy navigation and setting adjustments.
- Multiple Filter Size Compatibility: Designed to fit lenses with various filter thread sizes using the included adapter rings.


4. Safety Information
Important Safety Precaution:
To prevent battery leakage and potential damage to the macro TTL ring flash, please remove the batteries if the unit will not be used for more than one week.
5. Setup and Installation
5.1. Battery Installation
- Locate the battery compartment on the control unit.
- Open the battery compartment cover.
- Insert the required batteries (typically AA, refer to the unit for specific type) ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

5.2. Mounting the Control Unit to the Camera
- Slide the control unit's hot shoe mount into your camera's hot shoe.
- Secure the unit by rotating the locking ring clockwise until it is firmly attached.

5.3. Attaching the Ring Flash to the Lens
- Select the appropriate metal adapter ring that matches the filter thread size of your camera lens.
- Screw the chosen adapter ring onto the front filter thread of your lens.
- Align the ring flash unit with the adapter ring and gently push it into place until it clicks securely.


6. Operating Modes and Controls
The Mcoplus 14EXT-N offers several operating modes to provide versatile lighting for macro photography.
6.1. Power On/Off
Press the ON/OFF button on the control unit to power the flash on or off. The LCD display will illuminate upon activation.
6.2. Mode Selection
Press the MODE button to cycle through the available flash modes:
- TTL (Through-The-Lens) Mode: The flash automatically adjusts its output based on the camera's metering system, providing accurate exposure. This is ideal for quick shooting and changing light conditions.
- Manual Mode: Allows you to manually set the flash output power. This mode offers precise control for consistent lighting in controlled environments.
- Multi Mode: (If available, based on general flash features) Allows for stroboscopic flash, firing multiple times during a single exposure.
6.3. Brightness and Ratio Adjustment
Use the ADJUSTMENT buttons (up/down, left/right) to modify settings within each mode.
- In Manual mode, these buttons adjust the flash power output.
- The RATIO button allows you to control the brightness balance between the left and right flash tubes (A and B lamps). This enables creative lighting effects, such as emphasizing texture or creating directional light.

6.4. AF Assist Lamp
The integrated LED AF Assist Lamp helps the camera achieve focus in low-light conditions. This lamp can be activated or deactivated as needed.
7. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the exterior of the flash unit and control unit. For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying. Avoid using harsh chemicals or abrasive materials.
- Lens Adapter Rings: Keep the metal adapter rings clean and free of dust or debris to ensure smooth attachment to your lens.
- Storage: When not in use, store the flash unit and its accessories in the provided protective bag in a cool, dry place. As mentioned in safety information, remove batteries for long-term storage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flash does not fire. |
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| Inconsistent flash exposure. |
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| Adapter ring does not fit lens. |
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9. Specifications
| Feature | Detail |
|---|---|
| Brand | Mcoplus |
| Model Number | MCO-14EXTN |
| Product Dimensions | 6.3 x 5.51 x 4.72 inches |
| Item Weight | 2.15 pounds |
| Compatible Mountings | Nikon Camera (Macro TTL Ring Flash) |
| Camera Flash Type | Macro |
| Flash Sync Speed | 1/200 |
| Date First Available | September 8, 2015 |
10. Warranty and Support
The product includes a warranty card. Please refer to the warranty card provided in your package for detailed information regarding warranty coverage, terms, and conditions. For technical support or service inquiries, please contact Mcoplus customer service through the contact information provided on the warranty card or the official Mcoplus website.