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Forum: Pentax Medium Format 05-17-2018, 11:42 PM  
Pentax releases SDKs for DSLR including 645Z
Posted By dasPaul
Replies: 5
Views: 1,077
I really appreciate Pentax step to release a SDK but just one question... Is there anything the SDK is capable of that libgphoto2 hasn't already implemented?
Forum: General Photography 07-09-2017, 09:00 AM  
Iranian women uses pentax (documentary)
Posted By dasPaul
Replies: 1
Views: 673
There is a new documentary about Iranian photographers and censorship and one women uses a pentax :)

unfortunately german/french only:
Focus Iran - Wagemut in Kunst und Kultur | ARTE MEDIATHEK | ARTE
Forum: Do-It-Yourself 07-01-2017, 06:45 AM  
K-5 Full spectrum conversion (IR filter removal)
Posted By dasPaul
Replies: 21
Views: 13,962
nice and thanks for that insight, it came 4 years to late for me :o. Back then I sent my K5 to "Spencers Camera" from Germany to the US. That was very painfull but after 4 or 5 months or so of waiting without communication and putting me off I got a working full spectrum camera back. Nowadays I would definitely try by myself. I did a Canon EOS700D full spectum modification without any issues. I sold my modified K5 some years ago (for a quite good price) due to the lack of libgphoto2 support and changed my astrophotography cam to canon.
Forum: Troubleshooting and Beginner Help 12-28-2016, 01:27 PM  
My Pentax K-01's video is so unnatural
Posted By dasPaul
Replies: 9
Views: 1,633
I found your first video not so bad except the video stabilisation.
The baseball video is exactly the reason why I gave up using it to record videos with Pentax later than K5. The jaggieness is all over the video and destroys everything and make the video look like an old Hi8 camcorder video.

K5 was absolutely excellent in my eyes regarding video quality and compression
My 2012 HTC Sensation makes way better fullhd videos than my K3.
Forum: Troubleshooting and Beginner Help 05-10-2016, 12:46 AM  
Blinking Battery Charger
Posted By dasPaul
Replies: 5
Views: 11,638
Sorry for digging out this old thread but today I encountered the same blinking Pentax charger with my original K3 battery.

And I think I know the reason why it was blinking (in my case). Prior I had my K3 connected to my computer via USB. I just forgot to plug it out and power it off. My guess is there is no or at least a very bad control of the charge status of the battery while the K3 is connected via USB and it seems to not power off the camera in time just before the current drops to low for the battery and maybe destroy it permanently, I dont know.

Nevertheless after pluging in the battery into the charger the blinking disappeared after 3 Minutes and it charged normally.
Forum: General Talk 04-19-2016, 12:47 AM  
Boulders instead of Pentax
Posted By dasPaul
Replies: 8
Views: 1,427
Today in our local newspaper
freely translated:

Source
Forum: Pentax K-3 & K-3 II 03-16-2016, 09:49 AM  
what would you like to see in new K-3 firmware
Posted By dasPaul
Replies: 50
Views: 5,225
I dont understand. Why is an STILL IMAGE (no matter how long exposure it had) categorized as video? :hmm:
Forum: Pentax News and Rumors 01-25-2016, 12:10 AM  
K-3II USB tethering making progress; pktriggercord
Posted By dasPaul
Replies: 26
Views: 10,978
Thank you very much for that enlightenment :cool:
Forum: Pentax DSLR Discussion 01-24-2016, 02:21 PM  
What & why silver or THAT color?
Posted By dasPaul
Replies: 55
Views: 6,098
a] Silver
b] because I hate all the electronics black keyboards,mice,monitors,cables,cases and because I can leave it in direct sun much longer than black bodies without fear of melting plastics.
c] not yet, but sometimes I think I may attract people thinking "YOU cant attract me with your stylish silver cam" :D
d] no
e] If expression not matching
Forum: General Photography 01-13-2016, 07:45 AM  
Best way to host photos to share here?
Posted By dasPaul
Replies: 24
Views: 2,113
You could sign up an free wordpress.com account and upload images with up to 3Gb free space.
Forum: General Photography 01-03-2016, 09:51 AM  
K3 fireworks jaggieness?
Posted By dasPaul
Replies: 4
Views: 1,168
Ok, so no reason to worry about :) thank you!
Forum: General Photography 01-03-2016, 07:46 AM  
K3 fireworks jaggieness?
Posted By dasPaul
Replies: 4
Views: 1,168
Hi there,

I was just going through my New Year's Eve fireworks images (my first fireworks shoots at all) as I noticed some heavy jaggieness in it. I shoot with an K3 and without AA-Filter. They can be seen easy in the long fireworks trails.
Is this normal for an K3 without AA-Filter enabled? I know fireworks is a special lightning situation. I can see the same jaggieness in my raw viewer (ufraw) so I guess this is not dye raw conversion.

Full size view:
https://pauledd.files.wordpress.com/2016/01/imgp26391.jpg

I croped an 100% example:


If you want you can also take a look at the raw file:
File-Upload.net - IMGP2639.DNG
Forum: Pentax News and Rumors 01-02-2016, 07:11 AM  
K-3II USB tethering making progress; pktriggercord
Posted By dasPaul
Replies: 26
Views: 10,978
Is this limited to Windows or will it work on Linux (natively) as well?
Forum: General Photography 11-10-2015, 02:53 AM  
Berlin color photos from between the 1930s to 1960s, compared to today
Posted By dasPaul
Replies: 6
Views: 1,262
nice, BUT a bit disappointing that the photographer did not stick closer to the aperture of the old photos to improve the slider effect.
Forum: Pentax K-30 & K-50 11-08-2015, 02:28 AM  
K-30 full spectrum conversion
Posted By dasPaul
Replies: 12
Views: 4,076
The problem is the focus from the sensor to the first glass element of the lens. If you remove the IR-CUT filter for full spectrum you need to replace it with clear glass with the exact refractive index plus some adjustments to compensate the different wave length into the NIR area. I think this cant be simply done by adding a filter in front of the lens.
Further if you also want to go back to normal VIS shooting with your fullspectrum it might not be enough to just add an Hotmirror/IR-Cut Filter in front of the Lens. If you shoot wideangle or something below ~25mm you will notice strong color vignetting in the images, as I encounterd with my converted K5. This is because the coating of the hot-mirror works angle-dependend. This problem is known to a lot of Hotmirror-Filters. Canon has the advantage of simple clip filters which are placed directly over the sensor. I have not seen something simmilar for Pentax.
Forum: Pentax K-30 & K-50 11-07-2015, 10:42 AM  
K-30 full spectrum conversion
Posted By dasPaul
Replies: 12
Views: 4,076
I've done full spectrum conversion with my Canon 700. This was not too hard and I had nothing to solder. But I would never do it on my Pentax.
Here is an very good video where you can get an idea of the conversion of an Canon.
















You Tube




EDIT.: If you apply for an conversion at "Spencers Camera" I would recommend to think twice... They did conversion of my K5. It was working but not very cheap, quite a lot of import tax and a looooooooot of time.
Forum: Pentax K-3 & K-3 II 11-06-2015, 01:21 AM  
PkTether for K3 (Download link)
Posted By dasPaul
Replies: 31
Views: 19,387
hopefully he will release some code for the linux community :(
Forum: Pentax K-3 & K-3 II 09-27-2015, 08:34 AM  
K-3 .mov question
Posted By dasPaul
Replies: 4
Views: 1,497
Have a look at ffmpeg
Forum: Post Your Photos! 07-20-2015, 11:38 AM  
Nature Tucker tryptich
Posted By dasPaul
Replies: 5
Views: 1,013
He looks so cute in the middle picture :lol:
Forum: Post Your Photos! 07-16-2015, 12:25 PM  
Landscape Trees at Mottisfont
Posted By dasPaul
Replies: 2
Views: 772
The top one reminds me of a Monet painting, but he forgot the color!:D
Forum: Post Your Photos! 07-13-2015, 10:56 AM  
Landscape The Spring Fire
Posted By dasPaul
Replies: 9
Views: 817
I like that cloud color. It reminds me of the nitrogen dioxide fumes diluting copper in nitric acid.
Forum: Post Your Photos! 07-11-2015, 08:05 AM  
Night noctilucent clouds
Posted By dasPaul
Replies: 2
Views: 879
some PP in Gimp

Forum: Video Recording and Processing 07-07-2015, 12:32 PM  
Slo-mo video. How?
Posted By dasPaul
Replies: 9
Views: 1,615
Forum: Photography Articles 06-24-2015, 05:32 AM  
The Role of ISO Sensitivity
Posted By dasPaul
Replies: 10
Views: 4,228
Thank you for that enlightenment, this is also attractive to the astrophotography field.
Forum: Post Your Photos! 06-12-2015, 12:57 PM  
Macro macro
Posted By dasPaul
Replies: 19
Views: 2,039
Awesome! :cool:
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