On Thu, 22 Apr 1999 13:41:07 GMT, ssstud@my-dejanews.com wrote:

>I am looking for a wide angle lens that is between .45 and .50 magnification.
>The person I am buying from says he has 30.5mm and 43mm. Which one of these
>meets my criteria of .45 to .50 magnification?

Neither? Both? ;-)
"30.5" and "43" are mounting-thread sizes; ".45" and ".50"
refer to magnification changes...