Thank you for the post. I might add that a cheap ear syringe works about as well. Also, keep your lens caps on until the last moment. And keep your camera facing downward when the lens is off. I watched a lady rub her front element with her t-shirt! A Canon 70-200 f2.8! I Wanted to cry, haha. I just couldn't help but think that she didn't buy that lens. And, no it didn't have a filter attached.
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