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 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 remi

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

2012-05-22 Thread Miserere
On 22 May 2012 20:31, David J Brooks 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 which ones could

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 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. Camera seems tho think

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 AP

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 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