The Photographic Solutions Eclipse Optic Cleaning System is the highest purity lens cleaner available. It dries as quickly as it can be applied, leaving absolutely no residue. That is why ECLIPSE, when used with SENSOR SWABS, is the only recommended cleaner for CCD and CMOS sensor cleaning. When used with PEC*PAD photo wipes, ECLIPSE is also safe and ideal for lens and filter cleaning. Eclipse is also safe and ideal for CCD, CMOS, lens and filter cleaning. Each box contains a 59 ml. (2 fl. oz.) bottle with dropper applicator.