User talk:KEHINDE1

Numerical aperture
GOOD AFTERNOON SIR, PLEASE I WOULD LIKE TO KNOW MORE ABOUT NUMERICAL APERTURE.I WOULD BE VERY GREATFUL FOR YOUR HELP.THANKS —The preceding unsigned comment was added by KEHINDE1 (talk • contribs) 08:40, November 1, 2006.
 * What do you want to know? You can reply here. I will watch this page for your question. (By the way typing in all capital letters is impolite. It is considered equivalent to shouting at people.)--Srleffler 15:05, 1 November 2006 (UTC)