Re: K-5 and Sigma 300 f4 APO, again

2012-05-23 Thread David J Brooks
On Tue, May 22, 2012 at 11:12 PM, Miserere miser...@gmail.com wrote: Not sure what going on, the lens worked very well with the istD and k-10d. Any thoughts?? Dave If it's not the SR going crazy Like P.J. suggested, then I'd say you have a loose lens element in the lens. That picture

K-5 and Sigma 300 f4 APO, again

2012-05-22 Thread David J Brooks
So, after i set the Sigma 300 f4 APO's focus point a few weekends ago, i set out Saturday to shoot a few back yard birds and such. I did not have to review the photos in LR to tell which ones would be in relative good focus and which ones could not focus. Its a hit a miss but i'm now getting the

Re: K-5 and Sigma 300 f4 APO, again

2012-05-22 Thread Jeffery Smith
Almost like two different lenses, in focus and bokeh. Jeffery Sent from my iPad On May 22, 2012, at 19:31, David J Brooks pentko...@gmail.com wrote: So, after i set the Sigma 300 f4 APO's focus point a few weekends ago, i set out Saturday to shoot a few back yard birds and such. I did not

Re: K-5 and Sigma 300 f4 APO, again

2012-05-22 Thread P. J. Alling
Looks like randomized subject movement to me. I seem to get similar images when I forget to input the proper focal length for the anti shake system with a manual focus lens. Usually when I go from 200mm to 24mm. On 5/22/2012 8:31 PM, David J Brooks wrote: So, after i set the Sigma 300 f4

Re: K-5 and Sigma 300 f4 APO, again

2012-05-22 Thread David J Brooks
On Tue, May 22, 2012 at 8:37 PM, P. J. Alling webstertwenty...@gmail.com wrote: Looks like randomized subject movement to me.  I seem to get similar images when I forget to input the proper focal length for the anti shake system with a manual focus lens.  Usually when I go from 200mm to 24mm.

Re: K-5 and Sigma 300 f4 APO, again

2012-05-22 Thread Miserere
On 22 May 2012 20:31, David J Brooks pentko...@gmail.com wrote: So, after i set the Sigma 300 f4 APO's focus point a few weekends ago, i set out Saturday to shoot a few back yard birds and such. I did not have to review the photos in LR to tell which ones would be in relative good focus and