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Sunday, January 08, 2012

Successfully Open the Debug Mode of My K-r! :-)

With the newly released PK Tether 0.6 software, I have successfully opened the debug mode of my K-r, in only 2 painless steps! My hats off to Tomasz, the software author!

1. Connect the USB and turn on the camera;

2. Run the software (which requires no installation at all - Nice!) and just click the "Camera debug mode On" button at the lower right hand side. That's it and it is done! :-D



As Usual, the Debug menu for the AF adjustment is located between the Setup menu Tab 4 and the Custom menu Tab 1:-



Here it is and looks. The New Tab is called the "Test Mode":-



Go to the item "AF Test" and here we go:-



Do the adjustment as it was with any previous Pentax DSLRs, everything is actually the same.

When it is done, remember to disable and leave the debug mode. You can now do it in-camera as there is a menu item for that (look back the above):-



I have not done any AF adjustment as my K-r is accurate by itself by all means - but only under Daylight, but not Tungsten. So, the Debug is not going to be of help anyway! So, again, Pentax must be "bashed" and it's all their own fault!! >:-(

Last but not least, other functions of the PK Tether works like a charm with my K-r and I have not encountered any problem. But anyway if you do find some software issues when you use it, I do encourage you to report it to the author so that he could investigate and make further debug and improvement in due course.

Comments (8)

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Hi, I have one question about front focus on tungsten. It is typical for ALL K-r, or only for some K-r? Thank You...
1 reply · active 690 weeks ago
AFAIK, it is typical for all. But the errors are not as noticeable with slow zooms than faster primes, and some lenses do show more errors than the others.
I think with 18-55mm, because I bought K-r and 18-55 and this is terrible on f3.6 in interior on tungsten. New K-r - the same. And now I searching third ok K-r.
This is foto from my former K-r. I think, it isn`t normal...
P.S. sorry for my english...
https://rapidshare.com/files/1061625287/test.zip
https://rapidshare.com/files/223181309/Test2.zip
1 reply · active 690 weeks ago
If you use primes, it will be even more terrible when wide opened or used near wide open!

The solution is to manually dial in -10 for the AF adjustment whenever your eyes see yellow lights! =_=" But then when you focus with white light again, DO REMEMBER to change back to NORMAL setting (or to disable focus adjust for my case)!!

See my Budapest photos, they were all taken with this procedure, otherwise, most of the low light shots (which are yellow light environment mostly) have already been out of focus!
Thanks to the Debug menu I solved FF problem on my new K-r. After many test shots I found optimal AF correction -100 um for Sigma 28-300 DG Macro with additional correction in Custom menu :
-10 for yellow light (bulb, etc)
0 - natural indoor light without any additional light sources
+10 outdoor or fluorescent light source
Naturephoto1P's avatar

Naturephoto1P · 672 weeks ago

Simply worked great, AF on body was whacked and could not get lenses to calibrate properly. This got me into the debug and everything is aligning just fine now.
Does the Debug mode off, turn off DFS (Dark Frame Subtraction)? It does with the Kx.
Big THANKS to this TIp !!!!!!!

Work on my K-R with Last 1.12 Firmware . Now necessary for me to know how use it :D

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