If you have a stubborn stain on the sensor of your digital SLR or mirrorless camera that won't go away then Smear Away is your answer. Specially formulated to protect your sensor as it cleans away oil and lubricant, Smear Away also provides an anti-static barrier to reduce further contamination. It is recommended to use Smear Away with VisibleDust MXD-100 Green Sensor Swabs. All of our solutions are safe on ITO and non ITO coated sensors. VisibleDust liquid cleaners (Sensor Clean, VDust Plus and Smear Away) when used with VisibleDust Sensor Cleaning Vswabs are safe and effective on ALL digital SLR and mirrorless cameras including: newer Canon DSLRs, such as the 400D, 40D, 1D MKIII, and 1Ds MKIII, Newer Nikon D300 and D3 and Alpha Sony 700. PATENTED.