[OM] Re: [OT]Pop quiz

[John A. Lind]

At 10:20 AM 6/8/2005, you wrote:
>I sat my City&Guilds 6924 Photography exam last night.
>
>One part of one question has really ticked me off since I worked out
>what  answer they were after. So I'll try it on y'all.
>
>What does USM mean?

Ultrasonic Motor (lens focusing motor on some Can*n lenses)
Unsharp Mask (can be done in a wet darkroom or digitally)

-- John Lind


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