Why do people respond to these threads when they really don't have a clue?

http://www.mir.com.my/rb/photography...reenchange.htm

Just be aware these FM/FE series screens are plastic and scratch easily. Use a bulb blower or clean soft camel's hair brush to remove any dust--that usually does the trick. Using liquid cleaners and tissues is really a last ditch remedy and ups the likelihood of permanent scratches. Take your time.