Usually lenses with a large focal ranges end up having poorer quality than lenses for each "normal" focal range (tele, wide, regular zoom). You get more versatility with lower image quality, it's a case of "Jack of all trades, master of none".

Why choose an 80-200mm over an 18-200mm lens?
I have a simple Smart TV app (javascript app) that shows a list of items. And I want pagination for list of items. My solution is create scroll bar for apps. But how to implement scroll bar in samsung smart tv apps. Please help me!
