Freewell Adjustable ND Filter (Gray) Personal computers All of this translates to All of this translates to stable operation for up to 120 minutes and high durability 35 kVA Puissance de sortie 210 W Tension de voltage à l'entrée (min) 180 V Tension de voltage à l'entrée (max) 266 V Fréquence d'entrée 50 60 Hz Régulation de la fréquence de sortie 47 63 Hz Intensité (max This solution eliminates the possibility of entering the range that causes the cross polarization effect Manufacturer Freewell Model FW 82 STD Diameter 82 mm Adjustment range 2–5 stops (ND4–ND32) Filter type Variable ND (VND) Color Gray Adjustment system Hard Stop Material Pure High Definition optical glass Coatings Multi layer coating (18 layers)