Yeh, I basic question.. but I was comparing Canon, Sony, Panasonic, Zeiss and Sigma lenses... and Panasonic and Sigma tend to be much better priced.
The panasonic lenses have the disadvantage of being m4/3.. but the Sigma ones are good.
Are they inferior in terms of quality ?
Please help
Thanks
Edited by TeamSharecg on 06/08/17 01:31 PM.