In the world of underwater photography, the choice of lighting equipment often determines the success or failure of a production. Many photographers often struggle to decide between the two major series of underwater video lights, Shark and Seal. This article, based on official specifications, will provide an in-depth analysis of the core differences between the four products in these two series from six perspectives. It will also provide professional purchasing advice to help you find the underwater lighting solution that best suits your shooting needs.
I. Product Positioning and Series Features
1. Seal Series
-
Design Philosophy: Lightweight professional-grade lighting
-
Target Users: Recreational diving photography enthusiasts/lightweight professional shooting
-
Core Advantages: Excellent weight control + three-color lighting system
2. Shark Series
-
Design Philosophy: High-performance professional photography system
-
Target Users: Commercial underwater shooting/professional underwater photographers
-
Core Advantages: Ultra-high brightness + four-color lighting system + top-tier color rendering
II. Core Parameter Comparison Analysis
1. Optical Performance Comparison
| Parameter | Seal CB | Seal CF | Shark CB | Shark CX |
|---|---|---|---|---|
| Max Brightness | 4000LM | 6000LM | 6000LM | 8000LM |
| Main Color Temp | 6500K | 5500K | 5500K | 5500K |
| Auxiliary Colors | R/W/B | R/W/B | R/W/Y/B | R/W/Y/B |
| CRI | 94 | 96 | 96 | 98 |
Technical Insights:
-
Shark CX's 8000LM brightness and CRI98 make it the flagship configuration
-
Shark series' unique 3000K yellow light is ideal for warm-tone scenes
-
Seal CB's 6500K cool white is better suited for coral reefs and other cool environments
2. Size and Weight Comparison
| Model | Land Weight | Underwater Weight | Weight Difference |
|---|---|---|---|
| Seal CB | 615g | 255g | - |
| Seal CF | 635g | 280g | +25g |
| Shark CB | 705g | 322g | +67g |
| Shark CX | 742g | 348g | +93g |
Usage Experience:
-
Seal series is about 100g lighter underwater than Shark series
-
Shark CX's 348g underwater weight recommends using with buoyancy arms
-
For extended handheld shooting, Seal series is recommended
3. Battery Life Comparison
| Usage Mode | Seal CB | Seal CF | Shark CB | Shark CX |
|---|---|---|---|---|
| High Brightness | 80min | 70min | 70min | 60min |
| Medium Mode | 3h | 2h | 90min | 80min |
| Low Light Mode | 6h | 5h | 6h | 5h |
Battery Strategy:
-
Seal CB has optimal medium mode runtime (3 hours)
-
Low light mode suits extended shooting for all models
4. Professional Diving Performance
| Model | Max Depth | Pressure Rating | Suitable Scenarios |
|---|---|---|---|
| Seal CB | 100m | 10ATM | Recreational Diving |
| Seal CF | 100m | 10ATM | Recreational Diving |
| Shark CB | 100m | 10ATM | Recreational Diving |
| Shark CX | 100m | 10ATM | Recreational Diving |
III. Purchasing Decision Guide
Choose Seal Series When:
✅ Need lightweight equipment (underwater <300g)
✅ Limited budget but require professional performance
✅ Mainly for recreational diving photography
✅ Prefer 6500K cool white (unique to Seal CB)
Choose Shark Series When:
✅ Need ultra-high 8000LM brightness (Shark CX)
✅ Commercial projects requiring CRI98 color rendering
✅ Need 3000K yellow light for special atmospheres
✅ Accept slightly heavier equipment for superior performance
We hope this detailed comparison helps you find the underwater video light that best suits your diving needs. Whichever you choose, you'll enjoy high CRI quality lighting and a wide 120° illumination.
