■Lens filter■Adopts "super multi-coating" which has higher transmittance than conventional "multi-coating". Upgraded Color Temperature Conversion Filter Size: φ3.0 x 0.3 inches (75 x 7 mm). Product Name: 72SW10 professional. Size: φ3.0 x 0.3 inches (75 x 7 mm). Weight: 1.0 oz. (28 g). Color Conversion : Warm Tuned (Warmer). Hue : Amber. Dekami Red Conversion Value: +10. Exposure Times (+1 aperture).