hello guys, just found this telephoto lens which is manually focused canu tell me is it woth it for nikon d5100??
Bower SLY500PN High-Power 500mm f/8 Telephoto Lens for Nikon
*www.amazon.com/gp/product/B0057R27...pf_rd_t=101&pf_rd_p=1688200382&pf_rd_i=507846