I am deciding on getting an ultra-wide lens mostly because a lot of my shots are taken at 17mm and it's often not wide enough. I narrowed it down to either the Sigma 10-20mm or Sigma 8-16mm. (APS-C) ...
I am toying with the idea of picking up either the Samyang/Rokinon 14mm f/2.8 IF ED UMC or the 8mm f/3.5 Aspherical Fisheye lens. These lenses have a built-in petal-shape hood and a "bulb-like" front ...
I am very keen on purchasing the Sigma 8-16mm f/4.5-5.6 DC HSM lens, but one of the draw backs of this lens is that I can't put normal / standard filters on it. Can anyone please advise if I could ...