■ ■ Lens Filter transmittance more than traditional "multi-coated" Adopt "su-pa-marutiko-texingu". Upgraded Color Temperature Conversion Filter. Size: (Φ 57 × 7 mm ■ ■ Product Name: 55sw4 Professional convert ■ Size: Φ 57 × 7 mm * Weight: G * Color: Warm Tone (warmer hue: Amber ■ Convert dekamireddo exposure value: + 4 ■ multiples: 1.4 times (+ 1/2 aperture)