Keep Your Lenses Clean
Like spectacles and contact lenses, camera lenses are manufactured with a special antireflective coating that helps to improve image quality. This multicoating is designed to improve both contrast and colour reproduction, yet is easily affected by grease from fingers. Once smeared with a tiny amount of natural oil from your skin, the performance of a lens drops dramatically, creating flat contrast images with washed-out colours.
If your lens does get inadvertently greasy, clean it only with special lens-cleaning tissues or, for more serious cases, an alcohol-free spectacle wipe. Tiny specks of dust, sand and human hair will reduce your image sharpness and this should only be removed by using a blower brush, available from all photographic retailers, or a soft artists’ paintbrush. Any grit or sand that comes into contact with your lens can potentially etch a permanent
