Off camera flash? $200 Budget?

[mjhoward]

Used SB-28... half the price of a SB-600 and more powerful.

 

[djacobox372]

Nikon Sb26 and SB80 both come with an optical trigger. They only work in manual and "A" mode on modern DSLRS, but otherwise have the same power and build quality as modern professional nikon speed lights.