Sigma's big green monster telephoto zoom
LAS VEGAS--Riddle me this: What's green, is 28.6 inches long, weighs 34.6 pounds, and wears a custom-fitted hood?
The answer: a mammoth supertelephoto zoom that Sigma announced this week at the Photo Marketing Association trade show here. The product is geared for photographing wildlife, sports, and astronomical objects.
The lens, called the APO 200-500mm F2.8/400-1,000mm F5.6 EX DG, has a 200-500mm zoom range and an f/2.8 aperture that's very wide for this class of lens. It also comes with an extender that pushes the range to 400-1,000mm but reduces … Read more