Sigma 300mm f/4 APO Tele Macro
Kinda huge, but still manageable. The fact that the tripod collar is so easily removable helps make this a useful lens for hand-held work. The AF is not as fast as the Nikon 300mm f/4 AF-S, but I like the form factor a lot more for hand-held. Sigma's APO glass isn't always as apochromatic as you'd expect, but I've seen little if any signs of chromatic aberration from this lens.
Sigma 300mm f/4 APO Tele Macro
Kinda huge, but still manageable. The fact that the tripod collar is so easily removable helps make this a useful lens for hand-held work. The AF is not as fast as the Nikon 300mm f/4 AF-S, but I like the form factor a lot more for hand-held. Sigma's APO glass isn't always as apochromatic as you'd expect, but I've seen little if any signs of chromatic aberration from this lens.