Re: K-7, A 50/1.2, Katz Eye, front focus

2009-12-17 Thread Larry Colen
On Dec 17, 2009, at 9:59 AM, Boris Liberman wrote: Last but not least, the responsiveness and willingness to help of Rachel Katz is to be commended by highest praise. Truly amazing service. I'll second that. I was having some issues with a K20 screen, sent her an email and 15 minutes

Re: K-7, A 50/1.2, Katz Eye, front focus

2009-12-17 Thread Boris Liberman
John, I went in the direction similar to what you suggest. So far my findings are: 1. FA 50/1.4 is spot on AF with central sensor. Same front focus issue in MF mode. 2. FA 77/1.8 is spot on w.r.t. AF and similar front focus issue in MF. 3. On K10D I cannot determine if I have any MF issues. K1

RE: K-7, A 50/1.2, Katz Eye, front focus

2009-12-17 Thread John Sessoms
You eliminated what I hoped might be an easy answer, so I think your next step is to determine whether it affects all of your lenses or just the one. I think you next should determine if the FA50/1.4 has the same front focus problem. Also whether it's a problem in auto focus as well as manual

K-7, A 50/1.2, Katz Eye, front focus

2009-12-16 Thread Boris Liberman
Hi! I think I'd start a new thread. First of, I've re-checked and re-adjusted my camera diopter, though it was probably spot on from the beginning. I used whatever is written below the picture in the viewfinder. Though this is not a scientific test, meaning, e.g., that no tripod was used, b