Sigma 50-500mm f/4-6.3 EX APO RF Lens Sample Photos and Specifications

Chuck Lantz		19-Nov-2009 18:01
I've used the 50-500 for over four years, and I generally agree with Paul's comments, except for a couple of things. First of all, the 50-500 can do great sunsets, as long as you're careful about lens flare. I block the flare with my hand, keeping it just outside the image frame. You can get sharp shots at f/5.6 and f/6.7 if you back the lens off just a bit from full 500mm. There seems to be some "wiggle room" when it's fully extended, but if you twist it back 1/4 inch or so, the shot will be sharper. The speed of the AF depends somewhat on the camera you're using. I shoot with both a Sigma SD9 and SD14, and the AF is noticeably slower with the SD9.

Paul Pagano		30-Dec-2007 17:54
Oh, I didn't notice this until it was pointed out to me...sorry for such a long delay I am still learning about all the pbase functions! On the lens. I like it for several reasons and I also have found some limitations. I like that: 1) It can zoom from 50-500 which helps to not have to move to get a good image especially when subjects move such as with birds. 2) It is pretty sharp at f/8 and up and in good light. 3) The color rendition is good (except don't try it for sunsets). 4) Chromatic aberrations are very well controlled. I don't like that: 1) It isn't that sharp at 500mm wide open at f/6.7. 2) AF is a bit slow with the K10D. I don't know if its the cam, the lens or both. 3) You really need good light for quality images. The important thing to remember is that for the price (around $1000.00 US) it isn't matched. If I had unlimited funds, I'd probably try the Sigma 300 f/2.8 with the matched teleconverters or the Sigma 500mm f/4.5. Again, these are several thousand more. All in all, it is a better than average lens.

Paul Pagano		30-Dec-2007 17:50
Oh, I didn't notice this until it was pointed out to me...sorry for such a long delay I am still learning about all the pbase functions! On the lens. I like it for several reasons and I also have found some limitations. I like that: 1) It can zoom from 50-500 which helps to not have to move to get a good image. 2) It is pretty sharp at f/8 and up. 3) The color rendition is good (except don't try it for sunsets). I don't like that: 1) It isn't that sharp at 500mm wide open at f/6.7. 2) AF is a bit slow with the K10D. I don't know if its the cam, the lens or both.

Guest		01-Aug-2007 19:48
send some feedback on this lens please