Delkin Devices DND300-P Pop-up Shade for Nikon D300 You start the process using the SensorScope enabling you to see and inspect your camera's sensor magnified, with focused ultra bright light; This patent-pending Delkin exclusive fits all digital SLR cameras with no adapter. The safest thing you can do is NOT clean your sensor if it doesn't need it If needed use the SensorVac to vacuum away the easy stuff. The SensorVac tip is a static-free brush that will not shed or scratch your image sensor like some cheaper alternatives. The SensorVac features cordless operation using 4 AA Batteries that are not included. Use one of the 12 included SensorWands to eliminate smaller particles the SensorVac left behind. Especially those that are chemically bonded to the sensor. Each SensorWand double-ended with a wet and a dry pad to break up the gunk and whisk it away. Use the SensorSolution to get the tough spots still left behind. The special formula leaves no residue, is quick drying, alcohol free and safe for air travel. In this kit, you get one. 5 oz. bottle.