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| Re: How clean is a clean sensor? |
You haven\'t said which camera body, some are more prone that others. For example, I can\'t remember ever wet cleaning my 5D2 and 7D, just puffs with the blower and flicks with the butterfly not very often, whereas with the 5D1, regular wet cleaning is necessary.
If you are careful about spit, dandruff, other skin flakes, etc. when changing lenses, you shouldn\'t be needing much wet cleaning. Dust should blow or brush off, however oil, grease and spit can be stubborn. On the 5D I\'ve used Sensor Clean and Smear Away with complete success.
Unless you always have bad conditions fro changing lenses, how much and how often you have to clean is up to you.