Opteka SSC-20 Pre-Moistened CCD/CMOS Digital Camera DSLR Sensor Cleaning Cleaner Swabs (20 Pack) for Nikon D1 D1H D1X D2X D2Xs D2H D2Hs D3 D3s D3x D4 D4s D40 D40x D50 D60 D70 D70s D80 D90 D100 D200 D300 D300s D600 D610 D700 D800 D800e D3000 D3100 D3200 D3300 D5000 D5100 D5200 D5300 D7000 D7100 DF Coolpix L820 L830 P80 P90 P100 P500 P510 P520 P530 P600 1 V1 V2 V3 Pre-moistened with a Tin Oxide soultion Designed to clean CCD/CMOS chips and other optical and imaging surfaces Leaves no visible residue Easy cleaning process This product is safe and will not cause any damage to your sensor