All Forum Comments
Comment by Oggy posted on Another pointless thread at 17/04/2011 - 20:02
Another vote against it. The drop down arrow next to the previous/next page arrows has gone, and when I use it at work to download data sheets from RS and Farnell, it simply goes to "about blank" and fails to download the PDF.
Comment by Oggy posted on Firefox 4 don't bother! at 17/04/2011 - 19:49
Mike-P wrote:
...No matter what people say about other makes having problems the K-5 seems to be having more than most.
...which seems a real shame. Reading between the lines the K5 is a serious contender bogged down by "ha'p'orth of tar type issues. ...No matter what people say about other makes having problems the K-5 seems to be having more than most.
Comment by Oggy posted on K5 number 3...? at 16/04/2011 - 23:49
bforbes wrote:
Don't you just mount the camera in the bomb bay
Bombay is now (and has been for some time) called Mumbai. Quite a good place to take a camera though. Don't you just mount the camera in the bomb bay
Comment by Oggy posted on Another pointless thread at 16/04/2011 - 21:35
The other forum seem quite impressed with it if that means anything.
Comment by Oggy posted on 18-135 has been slaughtered by Photozone at 16/04/2011 - 21:13
My Puma is starting to get a bit long in the tooth and I am at a loss as to what to replace it with. I am thinking Celica or MR2 or MX5, but to be honest if I could find a decent Puma. I don't know what possessed Ford to stop them when they did. The thought of one with a modern 2L turbo diesel---
Comment by Oggy posted on Another pointless thread at 15/04/2011 - 20:46
Talking of Nissan, has anyone seen the new one (Juke?)? There was one behind me on the way to work recently, and it was so ugly I found it hard to take my eyes off it. It looked as if someone had got the kit without the instructions and got it seriously wrong when they built it.
Comment by Oggy posted on Another pointless thread at 15/04/2011 - 12:32
timd wrote:
I agree. For normal "closed loop" control, the camera would adjust the lens until it was in focus. Hence the only calibration would be that the focus sensor and the actual photographic sensor were the same distance optically.
However, my logic tells me the fact that one has some lenses front focusing and some back, means the focus system does not work this way. Indeed, there needs to be some "feed forward" system to speed up the focus algorithm. A standard PID controller would be too slow.
What is missing from my understanding is exactly how they manage the focus algorithm. Perhaps this is a closely guarded secret. Do you want quick focusing or accurate focusing? (I could cynically say Pentax has neither, but fear the flames!)
Er - really? I agree. For normal "closed loop" control, the camera would adjust the lens until it was in focus. Hence the only calibration would be that the focus sensor and the actual photographic sensor were the same distance optically.
However, my logic tells me the fact that one has some lenses front focusing and some back, means the focus system does not work this way. Indeed, there needs to be some "feed forward" system to speed up the focus algorithm. A standard PID controller would be too slow.
What is missing from my understanding is exactly how they manage the focus algorithm. Perhaps this is a closely guarded secret. Do you want quick focusing or accurate focusing? (I could cynically say Pentax has neither, but fear the flames!)
Comment by Oggy posted on Why do some lenses have front/back focus issues? at 15/04/2011 - 12:23
I have a Loewpro Flipside 400AW. It will take the 150-500 (similar size to the Bigma) on or off the camera plus the DA* 300 and some other lenses. Comfortable enough to wear all day.
Comment by Oggy posted on Camera bag at 11/04/2011 - 13:06
Well done Lewis, it looks like the F1 saeson could be another good one.