Can you help me i need to choose lens for nikon d3100 because this lens wont work anymore and i want lenses and i stopped on Sigma 70-300mm f/4-5.6 apo macro but is it compatible for my camera.
Added (1). No i really am thinking about this lense cuz i need more shallow depth of field. And i have a prom and i want to have good quiality and depth of field.
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