Advantages: HSM, DC, great build quality, great fun Disadvantages: light fall off can be an issue
...this lens as my focal range was limited to 18mm at the widest end, and had always wanted a good quality super wide angle lens without the rediculous distortion you get from cheap bolt on imports.
I opted for the Sigma 10 - 20mm f/4 - 5.6 EX DC ...
Advantages: Reduces hassle of changing lenses, good zoom range, impressive results Disadvantages: Has an issue with AF, not quite as sharp, fast and detailed as seperate lenses.
My move from superzoom bridge camera to SLR was fairly smooth but I still hate changing lenses all the time. After doing some research and weighing up my (financial) options, I came to the conclusion that I was only going to be happy with a lens that offe ...
Advantages: Good value for money, versatile Disadvantages: No image stabilisation
I bought this lens with a specific purpose in mind - photographing model aircraft in flight. I had previously used a Canon 80-200 mm which I found a bit too limiting at the long end of the range - an excellent lens, but not quite right for the job.
The ...
Advantages: Fantastic Clarity Disadvantages: Weight and Cost
...talking about? The new Sigma 800mm APO F5.6 EX DG Lens.
First let's get the technical bits out of the way. I will be honest and state that I do not understand all the data.
lens construction 12 elements in 9 groups
Angle of view 3.1 degr ...
Advantages: indoor shooting where there is an inadequate amount of lighting due to the very bright aperture. Disadvantages: funky with depth of field
Some may use it for landscape shots due to the slightly wide angle aspect to it, although having said that I think it is aimed at indoor shooting where there is an inadequate amount of lighting due to the very bright aperture. It's one of Sigma's DC range ...
