Sensorklear-2-A sensor cleaning pencil:

SensorKlear-2 is for CMOS and CCD sensors (the infrared filter surface that protects the sensors) of digital SLR cameras.
precision tool developed for cleaning. It is absolutely recommended to use it together with the SensorKlear Loupe.
With the help of the bendable head, we can reach the sensor through the opening of the SensorKlear Loupe, and thus we can follow the cleaning process with our eyes.
SensorKlear can be used safely and effectively to clean the sensors of digital cameras,
which previously could only be cleaned in specialized services.

The product is environmentally friendly, the active carbon compound used during cleaning does not flow and never dries out.