Why not go back to shutter release autofocus? it works for most shooters and 
helps ensure focus won't change before shutter release.

Paul via phone

> On Nov 7, 2013, at 11:12 PM, Stan Halpin <[email protected]> wrote:
> 
> Besides the continuous shot sound files I posted earlier, I played around 
> with a few other K-3 features. 
> I did another two ISO series, one with, one without high ISO NR turned on. 
> All full stops from ISO100 to 51200. (K-3 only, no more comparisons to the 
> K-5ii). I'll post those if anyone wants to see the results. In brief, there 
> is noise at higher ISO, in-camera NR may make a difference but 
> post-processing is still needed. But even I can get a decent ISO51200 image 
> with a bit of LR4.2 effort.
> 
> I tried out the in-camera HDR. Like with the K-5, it offers the option of HDR 
> Auto, HDR1, HDR2, and HDR3. I am clueless as to what those designations are 
> supposed to mean, and neither manual has any hints. Unlike the K-5, the K-3 
> in-camera HDR works on RAW files. 
> 
>    1. In-camera HDR takes about 5-7 seconds of data processing time after the 
> three images have been shot.
>    2. The resulting file is in the 90-95mb size range. I don't now why. That 
> is like they just added the three original files together; where is the 
> processing?
>    3. A simple 3-shot bracket, exported to Photomatix, can be worked into a 
> good HDR, lots of variation possible, and it takes little time while shooting.
>    4. The in-camera HDR may be slow and lacking in processing options, but it 
> doesn't require heroic post-processing.
> 
> One of my experiments was to focus-stack a series of HDR shots of a 
> still-life similar to what I posted yesterday. I am loving the tonality and 
> detail I am getting! 
> 
> This playing-around is not yet producing any images that are likely to pay 
> for the camera. But they are helping me get comfortable with the use of the 
> camera. 
> 
> So far I am quite disappointed by one thing. I had thought that I would stop 
> with one K-3 and keep one of my perfectly good almost new K-5ii's as my 
> second body & backup. But a couple of months ago I switched to a "back-button 
> focus" mode of shooting, have come to quite prefer that approach and am 
> comfortable using it. The K-3 moves the relevant AF button. Moves it to a 
> better place IMHO, but still, it is moved. In its old location is the Green 
> Button. Eventually I will learn to quickly almost-automatically find the new 
> AF button and not have my shooting concentration spoiled by inadvertent 
> pushes of the Green Button and the consequent screwing up of my carefully 
> chosen balance between ISO, Aperture, and Speed. And I can re-program the 
> Green Button to not do anything (which is a bit of a waste). But I seriously 
> doubt that I can quickly switch back and forth between the two bodies. So I 
> need to either give up my two-body style of shooting or I need a second K-3. 
> But I really really 
 need an updated computer to precess the K-3 files. . . 
> 
> stan
> 
> 
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