Hoya ND4 HMC IN SQ.CASE 49 MM

The Hoya ND4 HMC is a 49 mm neutral density (grey) filter that cuts the light reaching the sensor by two f-stops. It is for photographers and filmmakers who need a longer exposure or a wider aperture than the light allows.

• Filter type: neutral density (grey), ND4
• Light reduction: 2 f-stops
• Filter diameter: 49 mm
• HMC anti-reflection coatings protect against unwanted reflections and keep light transmission high, which helps contrast and colour saturation
• Ring colour: black
• Lets you use a longer exposure time when you cannot stop down further or lower the ISO
• Lets you use wide apertures with fast lenses on sunny days, which matters most for portraits and video
• Helps match exposure on film cameras with a fixed exposure time
• Comes in a square case