Sigma 10 20mm F3 5 Ex Dc Hsm Lens Review

While f 3 5 is not what i typically consider wide fast the fixed maximum aperture allows a constant wide open aperture exposure setting to be maintained over the full focal length range of the lens.

Sigma 10 20mm f3 5 ex dc hsm lens review. 10 20mm this lens zooms from 10 20mm. Trusted reviews may earn an affiliate commission when you purchase through links on our site. Ex sigma has a special external coating showing its superior build. Sigma 10 20mm ƒ 4 5 6 ex dc hsm 460 the original sigma ultrawide angle zoom still holds its own being slightly sharper at the telephoto end of its spectrum than the newer version.

F 3 5 this lens has a maximum aperture of 3 5 across the entire zoom range. Unlike sigma s ultra wide 8 16mm f 4 5 5 6 dc hsm lens there are no fld elements in the optical path of the 10 20mm but there are two eld extraordinary low dispersion elements and one sld special low dispersion element in the mix build quality feels as good as in the 8 16mm lens but with the same lack of weather seals. The more modest wide angle coverage of this one compared to the 8. Review of the sigma 10 20mm f 3 5 ex dc hsm lens.

That s the easy one.