Sigma 10 20mm F3 5

10 20mm f3 5 ex dc hsm ultra wide angle zoom lens with a large constant aperture of f3 5 designed specifically for digital slr cameras this ultra wide angle zoom lens has a maximum aperture of f3 5 throughout the entire zoom range making it suitable for low light and indoor photography.

Sigma 10 20mm f3 5. I was using the 10 20mm lens to shoot some near far landscapes for an upcoming camera club contest. The more modest wide angle coverage of this one compared to the 8. 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. Perhaps this thorough saturation is the reason that the sigma 10 20mm f3 5 was completely unknown to me even though it was initially released in 2009.

10 20mm f3 5 ex dc hsm this ultra wide angle zoom lens has a maximum aperture of f3 5 throughout the entire zoom range making it suitable for low light and indoor photography. My wife and i passed up an opportunity to visit this site in 1999 so when we had the chance to go there again in 2013 we jumped at it. There are many wide lenses available and it s sometimes difficult to sort through them all. About a year ago when sigma s variable aperture f 4 5 6 10 20mm zoom was tested a doubt was expressed about whether the then forthcoming f 3 5 lens would really be much better optically.

The angle of view changes depending on which camera model the lens is attached to. It is a very powerful tool for architectural indoor and landscape photography. The 10 20mm f3 5 ex dc hsm lens offers photographers greater freedom of expression by rotating the zoom ring. The sigma 10 20mm f 3 5 ex dc hsm lens does change size slightly when zooming reaching full extension around 10mm full retraction at 15mm and then extends slightly again at 20mm.

The overall shape of this lens is smooth with slightly smaller ribs on the focus ring than on the zoom ring. 10 20mm f3 5 ex dc hsm shutter.