barn door
扇叶框，配有4个可调节，控制眩光的遮光组件
Detail
| Model | Weight | Diameter (mm) |
| TL-20-BD | 0.096kg | 82mm |
| TL-30-BD | 0.16kg | 118mm |
| TL-111-BD | 0.19kg | 129mm |
| TL-38-BD | 0.245kg | 148mm |
Example TL-20-BD
扇叶框，配有4个可调节，控制眩光的遮光组件
| Model | Weight | Diameter (mm) |
| TL-20-BD | 0.096kg | 82mm |
| TL-30-BD | 0.16kg | 118mm |
| TL-111-BD | 0.19kg | 129mm |
| TL-38-BD | 0.245kg | 148mm |
Example TL-20-BD
