From: Chris Brogden <[EMAIL PROTECTED]> Date: Mon, 24 Mar 2003 10:36:57 -0600 (CST)
Some sensors may be sensitive to
vertical lines, but I was talking about Pentax's lack of vertically
situated sensors, which C/N have and which can be helpful for subjects >a little higher or lower than usual.
Ok, I understand. Thank's for the clarification. The *ist seems to have 3 lines of sensor, so this is now corrected.
Bench tests for AF speed
mean very little in the real world, when a camera's ability to switch
sensors on the fly may be more important than the time it needs to >focus and lock onto a subject.
True, but a benchmark test can give some sort of idea about the speed.
I don't believe in the existence of 9 cross-sensors in a mid-level >camera because that seems excessively high, and I don't believe every >rumour I hear.
The *ist has cross sensors, or sensors that acts likes cross sensors. I wouldn't call this a rumour. The number is yet unknown, but it seems to be at least 3-4 and probably 9. My impression is that Pentax has developed an AF system that they are going to use in all *ist models, from the entry level to the high end. I believe that this is a clever and cost effective solution.
I'm not commenting on other aspects of the Pentax system, or on future models, just on what's already out there.
But since you are not pleased with the AF in the MZ-bodies, then I thought you might be happy of the fact that Pentax is coming out with a new AF system - with multiple cross sensors. I'm sure that they are working on USM lenses too, and the *ist may have support for this. It's too early to tell. Anyway, I believe that you will be pleased with the performance of future products. (if *ist really is a "future product", it will go on sale within 2-3 weeks).
While we're on the subject... on what grounds do you base your claim >that Pentax has better low-light AF capability?
That has been answered by others, but in addition to the specs others has already written about - I can mention that several tests that I've read, and also user comments on the net, do shows that Canon's low light sensitivity isn't as good.
Best wishes, Roland
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