Heliopan 37mm KB 3 (82B) Filter (703721)

Heliopan KB 3 (82B) color correction filter reduces strong red and yellow color casts caused by tungsten and artificial lighting. Stronger than KB 1.5, it restores natural color balance in indoor and evening photography with minimal light loss.

Made with high-quality Schott optical glass, a stable brass mount, and a special hard coating for durability and optical precision. Features 100% plane-parallel glass and dual threading for additional filters or lens hoods. Made in Germany.

Key Features:

• KB 3 (82B) color correction filter

• Compensates red/yellow cast from tungsten & artificial light

• Approx. –1/2 f-stop light loss

• High-quality Schott glass

• Special hard coating

• Stable brass mount, anti-jamming

• Plane-parallel precision

• Dual thread for filters or lens hoods

• Made in Germany