Sigma 595110

This is an awesome lens and is a real must-have for birdwatching and other nature photography. The zoom range is extremely flexible and the f-stop reasonably fast, but keep in mind that this is a very, very specialized lens. First of all, yes, it is...

I bought this product with high hopes. I saw the price, saw the length of the lens, then hoped to be able to get some great nature photos. I used this produce only 5-6 times, all with some difficulty, as the weight of the lens alone is around 15...