I've renewed my aquarium and as I have exotic fish I want to take some photos. So I need your advice about telephoto lenses. I'm thinking about Sigma 70-300 AF for EF but maybe there's something better? What do you think?
I want a relatively cheap but sturdy slider and tripod. My budget is 200-350 for both, I want to use them to make videos of my aquarium, some from 3-4 feet away and some from up close to try to film detailed shots of the critters living in the sand.
I also want to film the aquarium from the...