The Sigma 46mm Protector filter is developed to protect the lens surface from dirt and dust as well as scratches. It is an ideal filter for regular use as it is completely colourless so does not affect colour reproduction.
Price: £29.99 from Wex Photographic
The Sigma 72mm Protector WR filter is designed to protect the lens surface from dirt and dust as well as scratches. It is an ideal filter for regular use as it is completely colourless so does not affect colour reproduction. With excellent water and oil...
Constructed from Clear Glass Ceramic, an advanced material with outstanding strength, the Sigma WR Ceramic Protector is a highly protective clear glass filter. The extremely tough crystallized glass features the high transmittance required of optical...
The Sigma 105mm Protector filter is developed to protect the lens surface from dirt and dust as well as scratches. It is an ideal filter for regular use as it is completely colourless so does not affect colour reproduction.
