Beiyang F20 Fresnel Focus Lens

F20:

- Collapsed: 240 x 240 x 135 mm

- Expanded: 240 x 240 x 245 mm

Weight:

Key Features:

Custom 224mm Fresnel lens delivering over 10x brightness enhancement through superior light focusing and higher light source utilization efficiency.

Detachable barn door for precise beam shaping and control, essential for creating cinematic atmosphere and character portrayal.

Rear threaded zoom design allows smooth beam angle adjustment without lens rotation, maintaining barn door effectiveness.

High brightness levels measured at 2 meters distance (EVERLIGHT source, data from beiyang laboratory):

- 10°: up to 79,090 LUX

- 25°: 33,250 LUX

- 35°: 25,050 LUX

- 45°: 20,450 LUX

Suitable for professional film and video production requiring strong beam impact and dynamic light-shadow effects.

Compatible with beiyang lighting products and recommended for use with Bowens mount fixtures.

Package Includes (per model):

1 x Fresnel Zoom Lens

1 x Four-leaf Barn Door

1 x Protective Light Bag

Notes:

Brightness data and performance metrics are based on tests conducted in beiyang laboratory.

The detachable barn door enhances light shaping capabilities, enabling high-standard cinematic lighting creation.

Designed to deliver large-screen level visual impact with strong beam intensity and flexible focus control.