Not sure what you are trying to ask.
Originally Posted by
N830MH
Can I buy a new Canon DSLR camera?
FWIW - as soon as you have the money, or credit, you can buy it. I am neither your father nor mother.
Originally Posted by
N830MH
Which one is the cheapest price?
Cheapest does not usually equate to new or performance.
Originally Posted by
N830MH
Can I go on eBay or Best Buy?
Definitely BBY. Easier to return and guarantee minimal issues.
Originally Posted by
N830MH
Can I have a longer zoom 500mm or 1600mm?
Not an expert of DSLR. But I believe you can change your lens to do what you want.