K&F Concept B-Series Fader ND2-400 Adjustable Gray Filter - 49 mm

Adjustable Neutral Density Filter ND2 to ND400

The K&F Concept B-Series Fader gray filter offers smooth density adjustment from ND2 to ND400, enabling exposure reduction from 1 to 9 stops. This allows photographers to extend exposure times or open apertures wider, providing enhanced creative control over depth of field and motion blur effects.

Compatibility and Design

• Designed for lenses with a 49 mm filter thread.
• Slim 7 mm thick frame made from durable aircraft-grade aluminum alloy minimizes vignetting.
• Includes a protective carrying case and microfiber cleaning cloth for maintenance and transport.

Optical Quality

Constructed with high-quality HD optical glass, the filter ensures sharp, clear images without color cast, preserving the natural color palette of your subjects even at high density settings.

Usage Benefits

• Enables longer exposure times for creative effects such as smooth water or motion blur.
• Allows wider apertures in bright conditions to achieve shallow depth of field.
• Compatible with popular camera brands including Canon, Nikon, Sony, Fuji, Leica, and Panasonic, provided the lens has a 49 mm thread.

Specifications

• Model: K&F Concept B-Series Fader ND2 - ND400 - 49 mm
• Filter Type: Neutral Density (Gray)
• Exposure Reduction: 1-stop to 9-stop (ND2 to ND400)
• Thread Diameter: 49 mm
• Frame Thickness: 7 mm
• Materials: Aircraft aluminum alloy frame, HD optical glass

Included in the Set

• Adjustable gray filter ND2 - ND400 (49 mm)
• Microfiber cleaning cloth
• Protective carrying case