Sigma has just introduced a new and very interesting lens, the Sigma 17-70mm 1:2.8-4 DC Macro OS HSM.
When I got my Canon EOS 30D I decided to go for the Sigma 17-70mm 1:2.8-4.5. It is better than the standard kit lens and optically better than the Canon EF-S 17-85mm even if it lacks stabilization.
Sigma’s new lens offers two great improvements:
- Ultrasonic auto focus motor (HSM)
- Optical stabilizing
It also features better glass than the old lens, so in theory it should give even more detail. The old 17-70mm isn’t very sharp at the wide end.
I’ve felt that my 17-70mm 1:2.8-4.5 is the weakest of my lenses when it comes to low light photography. Adding stabilization would make a huge difference. An alternative would perhaps be to get a second hand Canon EF-S 17-55mm 1:2.8 IS.
Really looking forward to reading some tests of the new Sigma.