>Hi All: > >We are always talking about “Pro” lenses and cameras vs >“Semi-Pro” or even “Amateurs Ones.” To me, that does not make >much sense, because a true “Pro” photographer has a completely >different perspective on products. If a “Pro” turns a million >dollars from a $100,000 camera, he will buy that camera on the >spot. On the other hand, if a “Pro” turns $50,000 dollars >from a $200 lens, he will buy that lens and mount it on the >$100,000 body. What if the $200 lens is not built to >withstand the use and abuse that a “Pro” gives a lens? He >will buy 10 of them, if he has to. For a "Pro," a >"Pro" camera and lens is all about ROI (Return on >investment.) > >Best regards, > >Hektor >
For me these are mainly marketing terms, 'pro' means you can justify charging more money, despite little to no improvement in image quality.