Phil, I stand corrected; thank you. One thing I notice is that if you remove the thing that twists off the end of the barrel that looks sort of like a lamp shade (I can't recall the name of it), it can improve clarity and also allow you to get into corners, top or bottom of screen, and so on. Mary To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.