a close up filter and teleconverter, which one is for what purpose? is a close up filter meant to magnify the picture? 'cos if i use it with my 75-300 and try to focus at far subjects, the cam cannot focus at all even manual. am i rite to say that in this case, i shd use teleconverter instead?
by the way, which flash unit is recommended for Dynax 5? newbie here so dun need any expensive or professional flashes.