Sigma 12-24mm f/4.5-5.6 II DG HSM Ultra Wide Angle Lens
The Sigma 12-24mm f/4.5-5.6 II DG HSM is an ultra wide angle zoom lens suitable for full frame DSLR cameras, released on February 8, 2011. The Sigma 12-24mm f/4.5-5.6 II DG HSM uses a revised optical formulation that includes four latest low dispersion glass elements and one SLD element. Four non spherical elements were used to reduce distortion and other optical anomalies. The equivalent focal length range of the lens on APS-C digital cameras is 18-36mm, suitable for wide-angle shooting.
Ultra wide angle zoom lens Tokina AT-X 11-16mm T3 CINE
This ultra wide angle zoom is currently available for installing Canon EF and miniature three-quarters mount cameras, providing a clear 4K lens with a fast T/3 aperture across the entire zoom range, priced at approximately £ 1300. This lens covers APS-C and smaller sensors, including Super 35mm and Micro Four Thirds formats. In this review, we will use the Canon EOS 7D DSLR body to test the optical quality of the lens.
Super wide angle fisheye lens Samyang 8mm f/3.5 Fisheye Pro Optical
At f/3.5, 8mm f/3.5 is softer than Nikon's fisheye when fully centered, but at f/5.6, it is as clear or sharper as the exotic Nikon 8mm f/2.8 or Nikon 10.5mm 2.8 G, and has fewer horizontal color stripes. This $290 lens is much clearer on the periphery than Nikon's exotic 8mm f/2.8, which is priced ten times higher than Nikon's. This Pro Optical lens features a dedicated aperture ring, making exposure settings effortless.
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