■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: 72SW2 Professional; Size: φ3.0 x 0.3 inches (75 x 7 mm); Weight: 1.0 oz (28 g); Color Conversion (Warmer); Hue : Amber; Dekami Red Conversion Value: +2; Exposure Times: 1.2x (+1/4 aperture)