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: 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.
Advantages: Compact for such a powerful lens. Good build quality. Probably the only size of lens I'll need. Disadvantages: All zooms are something of a quality compromise.
I’ve always liked having a camera that can have interchangeable lenses, even if I don’t buy (m)any. In the case of my current DSLR (Digital Single Lens reflex) a Nikon D7000, I do actually have two lenses. a) The 18-105 mm ‘standard zoom’ supplied with t ...
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: Fantastic zoom range, exceptional image quality Disadvantages: Heavy to carry, difficult to hand hold at 500mm in low light.
I recently purchased this Sigma 50-500mm f4-6.3 DG EX lens for my minolta.
It is fantastic!
Lets get the negative things out the way so we can focus on the bountiful positives.
1.) It is heavy. Weighing in at nearly 2Kg this is no lightweight pie ...