If you have a stubborn stain on your sensor that won't go away then Smear
Away™ is your answer. Specially formulated to protect your sensor as it cleans
away oil and grit, Smear Away™ also provides an anti-static barrier to reduce
further contamination. It is recommended to use Smear Away™ with VisibleDust
DXM-100 (green) Sensor Swabs.