Sigma 17 50mm F2 8 Ex Dc Os Hsm Review
With a wide open f 2 8 aperture the sigma 17 50mm f 2 8 ex dc os hsm lens is impressively sharp in the center throughout the focal length range with 50mm showing very slightly reduced sharpness.
Sigma 17 50mm f2 8 ex dc os hsm review. The 17 50mm f 2 8 ex dc hsm os features the slightly simplified version of sigma s hsm hypersonic af motor. Covering a focal range of approximately 25 75mm the 17 50mm features os optical stabilization and a hsm ultrasonic type focus motor. The af speed via in contrast af live view is on the slow side. The sigma 17 50mm f2 8 ex dc os hsm is a useful large aperture standard zoom lens designed exclusively for aps c format digital slrs.
The corners are soft at f 2 8 with the 50mm corners looking the best. Still thanks to hsm the lens is fully compatible with all nikon dslrs including the entry level models. Dxomark tests tend to prove that the sigma 17 50mm f2 8 ex dc os hsm nikon is so good that it even surpasses its competitors from nikon and canon which are twice as expensive. The sigma 17 50mm f 2 8 ex dc os hsm lens is shown mounted on a canon eos 60d above.
The 17 50mm f 2 8 ex dc hsm os features the slightly simplified version of sigma s hsm hypersonic af motor. It s quite lightweight too weighing only 595g. This is the first zoom lens produced by sigma in this range that. Sigma 17 50mm f 2 8 ex dc os hsm.
With a few weddings ahead of me i thought this would be a good lens to have in my kit and it fit my budget coming in at right around 500 usd. It is still fast and nearly silent but full time manual ftm override is not possible in single shot af mode. However if you re looking for a solid wide angle zoom the good old tamron sp af 17 50mm f 2 8 xr di ii ld aspherical if nikon is also a good alternative. Handling and features at only 92mm long this lens is very compact for one with an f 2 8 constant maximum aperture.
The sigma 17 50mm f 2 8 ex dc os hsm lens herein referred to as the sigma 17 50mm by contrast takes things up several notches in all areas from general build quality to performance. With a minimum focusing distance of 11 inches throughout the entire zoom range this lens offers a useful semi macro close up capability for a maximum reproduction ratio of 1 5.