1. Introduction
This manual provides detailed instructions for the proper assembly, operation, and maintenance of your EACHSHOT Triopo Softbox 21.6in/55cm Octagon Umbrella Photography Softbox (Model KS2-55). This professional-grade softbox is designed to provide soft, even lighting for various photography applications, compatible with a range of flash speedlites and studio lights.
2. What's in the Box
Please verify that all components are present before proceeding with assembly.

Figure 2.1: Package Contents. Includes the softbox, light stand adapter, and diffusers.
- Triopo Octagon Softbox (55cm / 21.6in)
- Internal Diffuser
- External Diffuser
- Mounting Bracket/Handle
- Carrying Bag
Note: Light stand and flash unit are not included and must be purchased separately.
3. Assembly Instructions
Follow these steps to correctly assemble your Triopo Softbox.
3.1. Unfolding the Softbox
- Gently remove the softbox from its carrying bag.
- Locate the mounting ring at the center of the softbox.
- Press the buckles on the mounting ring with your fingers to release the tension.
- Align each support rod with its corresponding bayonet slot on the mounting ring and snap it into place. Ensure all rods are securely fastened.
- Pull each pole upward until the softbox takes its octagonal shape.

Figure 3.1: Softbox Unfolding Steps (1-3).

Figure 3.2: Softbox Unfolding Steps (4-6).
3.2. Attaching the Diffusers
- Attach the internal diffuser to the inside of the softbox using the provided Velcro tabs.
- Attach the external diffuser to the front opening of the softbox, securing it with the Velcro around the edges.

Figure 3.3: Softbox with Diffusers Attached.
3.3. Mounting the Softbox
- The softbox features a universal mount compatible with various flash speedlites (e.g., Godox V860II, V860III, V850II, V850III, TT600, TT685, TT685II, YN560 III IV, JY-680A).
- Insert your flash unit into the mounting bracket. Adjust the width of the bracket to securely hold your flash.
- Tighten the knob on the mounting bracket to secure the flash in place.
- The softbox can be handheld using the integrated handle or mounted onto a light stand. The handle's angle is adjustable.

Figure 3.4: Handheld Softbox with Flash.

Figure 3.5: Softbox Mounted on a Light Stand.
3.4. Video Guide: Softbox Installation
For a visual demonstration of the assembly process, please watch the official installation video below.
Video 3.1: Triopo Softbox Installation Guide. This video demonstrates the step-by-step assembly of the softbox, including unfolding and attaching components.
4. Operating Instructions
The Triopo Softbox is designed to modify the light from your flash unit, creating a softer and more even illumination. Once assembled and mounted:
- Ensure your flash unit is securely attached to the softbox's mounting bracket.
- Position the softbox at the desired angle and distance from your subject. The adjustable handle and light stand mount allow for flexible positioning.
- Adjust your flash power settings as needed for the desired exposure. The diffusers will spread the light, reducing harsh shadows and hot spots.
- Experiment with the distance of the softbox to your subject to control the softness and spread of light. Closer distances result in softer light.
5. Maintenance
Proper care will extend the life of your softbox:
- Cleaning: Wipe the exterior fabric with a soft, damp cloth. For the reflective interior, use a dry, lint-free cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: When not in use, disassemble the softbox and store it in its provided carrying bag to protect it from dust and damage.
- Handling: Avoid excessive force when assembling or disassembling to prevent damage to the support rods or mounting mechanism.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Softbox does not open fully. | Support rods not properly engaged or stuck. | Ensure all support rods are fully snapped into their bayonet slots. Gently push each rod into place. |
| Flash unit is not secure in the mount. | Mounting bracket not tightened sufficiently or incorrect flash size. | Adjust the width of the mounting bracket and tighten the knob firmly. Verify your flash unit is compatible with the mount's adjustable range. |
| Light is still too harsh. | Diffusers not installed or softbox too far from subject. | Ensure both internal and external diffusers are correctly installed. Move the softbox closer to your subject for softer light. |
7. Specifications
- Model: KS2-55
- Type: Octagon Umbrella Photography Softbox
- Size: 55cm / 21.6 inches
- Mount Type: On-camera flash light mount (width adjustable)
- Compatibility: Godox V860II, V860III, V850II, V850III, TT600, TT685, TT685II, YN560 III IV, JY-680A, etc.
- Features: Reflective silver inner, white soft cloth diffuser, 8-pole foldable design, handheld or light stand mountable, angle adjustable handle.
- Product Dimensions: 17.72 x 7.09 x 7.09 inches (folded)
- Item Weight: 1.76 pounds
- Manufacturer: Triopo (Brand: EACHSHOT)
8. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, technical support, or service inquiries, please refer to the product packaging or contact EACHSHOT customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.





