NEEWER CSF10 10" Fresnel Lens, Bowens Mount Light Gathering Lens with 10-35° Variable Beam Angle & Barndoors for CB300B, CB300C, CB200, CB200B, CB200C, AS600B LED Video Light Up to 600W

11.2x Increased Illuminance CSF10 is a highly transparent and transmissive Fresnel lens for light gathering. Its 11.3"/28.8cm diameter suits most LED video lights. When installed on the NEEWER CB300B, the illuminance will significantly increase by 11.2 times (increase values vary depending on light models)

Detachable Barn Doors Precisely control the light spread and direction with the detachable barn doors to achieve creative light effects that enhance the storytelling of your filmmaking and photography

Adjustable Beam Angles Turn the focus ring to adjust the beam angle from a wide 35° flood to a narrow 10° spot. When turning the focus ring, the lens will keep stationary and the barn doors can still work properly

Universal Bowens Mount Ideal for Bowens mount LED video lights of up to 600W, including NEEWER CB300B, CB300C, CB200, CB200B, CB200C, and AS600B. Also compatible with Aperture and compatible with Godox

Heatproof Outer Shell Constructed from PC and glass fiber and designed with numerous vents, the outer shell ensures improved thermal conductivity and efficient heat dissipation. Note: To avoid burns, do not touch the outer shell after long periods of use

Portable Carrying Bag Lined with soft and shockproof cushions, the carrying bag can protect the lens from impacts and scratches while keeping it portable for outdoor shooting