The Sigma 77mm 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: £34.99 from Wex Photographic
The highly protective Sigma WR Ceramic Protector filter features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass and greater flexibility than sapphire crystal glass. Constructed from...
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.
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.