This issue had been controversial. With the wide adoption and the convenience of shooting with your mobile phone plus the convenience offered to share pictures immediately to friends and family, the heat is definitely on for the traditional camera maker.

For wide angle / landscape photography, nothing would beat the quality of images taken with the original fixed bayonet dedicated wide lens from the makes of Canon, Nikon, Olympus etc.

With the mass proliferation in the supply of filters due to the increased demand of lenses, did anyone ever wonder what are exactly the differences between a good filter and those inferior types, and how would it affect your images?