Recommend book/s for Optics.

[sphyics]

which explains geometrical optics & wave optics in detail.

[mgb_phys]

At undergraduate level 'Hecht'

See also http://physicsforums.com/showthread.php?t=279538

[Andy Resnick]

Also recommend Klein and Furtak.

[physicsnoob93]

http://books.google.com.sg/books?id=oV80AAAAIAAJ&dq=Principles+of+optics+wolf&printsec=frontcover&source=bn&hl=en&ei=nYu7StKxCc-PkQWv-NmjDQ&sa=X&oi=book_result&ct=result&resnum=4#v=onepage&q=&f=false

That's good.

[physics girl phd]

http://books.google.com.sg/books?id=oV80AAAAIAAJ&dq=Principles+of+optics+wolf&printsec=frontcover&source=bn&hl=en&ei=nYu7StKxCc-PkQWv-NmjDQ&sa=X&oi=book_result&ct=result&resnum=4#v=onepage&q=&f=false

That's good.
Born and Wolf is great if you're looking for a more advanced text.

At the undergrad level I used Pedrotti and Pedrotti (I think it's now up to Pedrotti, Pedrotti and Pedrotti).

[xepma]

And to make things more complicated, two of the Pedrotti's go by the name of Leno Pedrotti.