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: Pruduces stunning, high quality images Disadvantages: Pricey for something you will use rarely
For a product that should be used sparingly for maximum impact, fisheye lenses do not come cheap. The moment I gained more than a passing interest in photography however, I knew I had to have one. The strange, otherworldly distortion that can be achieved ...
