photography 101

hi everyone as you know i am not a photographer. i came across this lens at work and would like to get more information on it. if someone can tell me where to go get more info that would be awesome! also like where i can maybe even sell it. like i said not a photographer sorry for the low...

I have recently started to take up photography as a side hobby/job. I have made a facebook page specifically dedicated to my photography. I have also put a few ads out on Craigslist, asking if there are people that need a photographer for an event of senior photos. I haven't had much luck...