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09-15-2016, 05:38 AM   #1
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Join Date: Aug 2012
Location: Poznań
Posts: 27
Video quality on K-S2

Hello.

I have noticed that video quality is much worse on K-S2 than on my old K-5. I'm gonna perform some tests.

Now I can tell you that it is better to turn off stabilization on video. Probably 1080p looks better on 24/25 fps and I'm gonna check if JPEG quality is related to movie quality.

The results without posting video sample files.

KS-2
VIDEO: [H264] 1920x1080 24bpp 25.000 fps 17738.2 kbps (2165.3 kbyte/s)
on HD the bitrate is the same, but scaling down looks not nice

K5
VIDEO: [MJPG] 1920x1080 24bpp 25.000 fps 62334.8 kbps (7609.2 kbyte/s)
bot checked HD bitrate

Do not use SR on K-S2 video. It affects focus field.


Last edited by bobik314; 09-15-2016 at 05:55 AM.
09-23-2016, 10:26 AM   #2
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Join Date: Apr 2013
Posts: 94
Glad to see this. Have used video on my KS2 sparingly, with disappointment. I'm in nature a lot, and the bushes "vibrate" as if on drugs! I'll start experimenting with settings.
09-26-2016, 03:01 PM   #3
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Join Date: Oct 2009
Location: Far North Qld
Posts: 3,250
Pentax have ruined their video output mostly by using electronic SR which introduces those wobbles you see.
They are in denial about it (being so bad). Video is one of the reasons I moved away from Pentax.
09-27-2016, 06:49 AM   #4
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Original Poster
Video on K-5 (first edition) looks much better. SR is quite useful there and I was little shocked that this works worse now. Looks like I can record better quality movies using my mobile phone now than K-S2.

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