An unexpected benefit of using the back button AF instead of AF tied to the shutter is that my battery life seems to almost double on the K5, I can shoot a 32GB card RAW +JPG before I have to swap out batteries.
On 8 November 2013 22:33, Paul Stenquist <[email protected]> wrote: > 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 >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Rob Studdert (Digital Image Studio) Tel: +61-418-166-870 UTC +10 Hours Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

