If you have a cool AU$17,000 to spare, perhaps this 500mm telephoto lens is worth your wad of cash.

I got a chance to compare my Sony SAL500F40G lens with Canon and Nikon 500mm F4 lenses when out shooting the birds with my friends, my impression is: this lens can give you tack sharp images even at widest open F/4, the Canon and the Nikon in my...

I have used this lens for about a month .I am still testing it.This is a very unique lens .The best image is at full open aperture . The image quality starts to drop at f8.The image still looks great even with a 2X converter lens at full open aperture...

I have used this lens for about a month .I am still testing it.This is a very unique lens .The best image is at full open aperture . The image quality starts to drop at f8.The image still looks great even with a 2X converter lens at full open aperture...