Sigma 50-200mm f/4-5.6 DC OS HSM

Nice sense Great!

Great price, great quality. This lens has some vignetting problems when shot wide open, but it's not too noticibke, and easy to correct. Images also suffer from slight chromatic aberration and softening in the edges when shot at f2.8 but also not super noticible. Stop down to f4 and this lens is much sharper. I would highly recommend this lens to any aps-c users, especially if all you've ever used is the kit lens, this has that same range and much much better quality. The Canon and Nikon equivalents are way more expensive and not significantly better in image quality.

Really stunning hardware, but I had to return it So, if you are looking for incredible quality and great low light performance for photos in a zoom lens....you found your product. BUT, if you are looking for those same qualities to shoot video, even with an external mic (yes I tried this) not so much. The auto focus is loud, not deafening loud, but it becomes very prominent when recording video. I don't use the in camera recording so I thought my Rode Mic would eliminate the sound...it doesn't. If you are using a Lav or a boom, you will be fine, but if you are mounting the mic or using in camera (which nobody should), forget it. The auto focus is too loud to be usable.