This is a brief excerpt from PhotographyBay
Sigma’s new line of lenses are looking pretty slick. I’m currently testing the new 17-70mm f/2.8-4 with the Nikon D7100 (a promising combination); however, I got to take a closer look at it and some other lenses, including the new 120-300mm f/2.8, at CES 2013.
What’s rather interesting with the new line of Sigma lenses is the new USB dock that is designed to work in tandem with them. The USB dock allows you to update firmware for all of the lenses whenever Sigma releases upgrades. On the ‘A’ and ‘C’ series lenses, the USB dock gives you additional functionality of modifying the focus speed of the lenses.
On the ‘S’ (or ‘Sport’) lenses like the new 120-300mm f/2.8 users will be able to further adjust the focus limiter, along with the optical stabilization and AF speed. Depending on the subject matter, Sigma says it may be a worthwhile tradeoff to sacrifice some accuracy for speed. Accordingly, Sigma has opted to put this power in the users’ hands.
The new 120-300mm f/2.8 lens is a both a beauty and beast. There is a lot of glass and heft to this thing.
Sigma has …
By: Eric Reagan
via planet5D pinterest news http://pins.planet5d.com/sigmas-new-lenses-and-usb-dock-up-close/
No comments:
Post a Comment