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Tuesday, October 05, 2010

D7000's Video Quality (Far) Better Than That of the K-5?

Thanks to Blog reader "eddie", we have the following YouTube Full HD sample video clips recorded with the K-5 and the D7000:-

K-5: http://www.youtube.com/watch?v=s3n4qqh7M2s (162 seconds, 149.796 MB)

(Remark: I don't believe that this video is "official", contrary to its given title. If it really is, I think the staff who made it should be fired!)

D7000: http://www.youtube.com/watch?v=60-xwkYsKd0 (92 seconds, 46.319 MB)


This is what eddie suggested, quoted: "I just checked out some D7000 testvids from YouTube downloaded with Firefox YT downloader addon. The video is suprisingly good! From the pentax K-5 i could only find one featuring a horse in a rather "squary" rendering. More testvids of the Pentax k-5 please! (before i sell all my Pentax stuff and get a Nikon)"

Do download the full-size files for real inspection. Eddie has suggested a download tool for the online videos including the YouTube, the DownloadHelper, which is very useful or simply Great. Really thanks, eddie! :-)

I have downloaded both video clips and viewed them on a Full HD 1920 x 1080 monitor. I've played back the video with a Quicktime movie player on a Core 2 Duo 2.83G PC machine w/ a GeForce 9800 GPU, which I think this combination is far more than enough for a super smooth playback with the highest possible video rendition quality.

I do agree with eddie that the video quality of the K-5 clip is inferior, as it is obviously more blocky and the playback is not as smooth as well.

As for the video file efficiency, both video clips are in 1080p, the K-5 file is 0.925 MB per second, whereas the D7000 file is 0.503 MB per second. So, the K-5's memory requirement is almost doubled (even putting aside the difference in video quality) and it loses again in this match! :-(

Anyway, do wait for more sample videos from different "comparable" cameras including the D7000, A55 and also the A33 or even the NEXes, which share the same or closely designed Sony sensor(s) of the same latest generation. Time will tell..

Comments (29)

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If I really was interested in, in dslr video, I would already have gotten the sony a55. What I've seen of the continuous focus is just stunning. Now that we only have pictures coming out of the k-5 shot at photokina, I really have a hard time believing that this is a real K-5 video.
3 replies · active 758 weeks ago
K-5 video is shaky (handheld), while d7000 video is rock steady. This has great influence on quality/bitrate of the video. D7000 was post-processed, and if noise was removed, this further boosts quality/bitrate.
1 reply · active less than 1 minute ago
Personally i think the K-5 vid isn't really coming from a K-5.
That it should be an "official" one is also very dubious, like Rice already comented.
Let's wait a while and see!
I use Pentax gear already for over 35 years now.
Love the old K and M-lenses and use them professionally - f.i. here: http://www.flickr.com/photos/emboschma/sets/72157...
complete gallery of the Glycine series is here: http://www.flickr.com/photos/emboschma/sets/72157...
The shoot is done mainly with a SMC M-50mm 1.4 on a K20D with a small macro ring (cost lens + ring was 60 dollar!)
Wow! What would they think of next? A video cam that take great stills to? :)
2 replies · active less than 1 minute ago
Not, a K-5 video...
Whoever posted this is pulling your leg.
And whoever believes it, deserves to have his/or her leg pulled.

PS. the lease they(so called) posted could have done was upload the video in HD(lol)
1 reply · active less than 1 minute ago
Rice, just when I think you are ending your Pentax hating ways, you put such a shoddy post up it brings it right back. Ok, first of all you put this headline up, comparing two videos you have no idea where they come from. The first is a guy holding a camera taping a horse in a field, handheld, any jumps look like it was where it was paused. Very amateur video and no proof of what a camera can o (basically a point and shoot shot).

Then you have this well edited video shot by a pro, with scene fades and swipes, lighting is overcast, not direct and harsh like the first one. Clearly made to put the D7000 in the best light. Not saying the D7000 is not a great camera, but this was a pro shot.

Yet you decide to lead with the headline "D7000's Video Quality (Far) Better Than That of the K-5?" yet you do not really answer this question, and subtly admit that even you do not believe this comparo. Couldn't you have said "Is this k5 video real?" or "K5, D7000 videos invade YouTube" but instead you have to make a dig, kind of like when you take one minor complaint on the DPReview website and turn it into a whole failure of Pentax.
I agree with David that the headline "D7000's Video Quality (Far) Better Than That of the K-5?" is a little over the top.
I just wanted to share the possibility of checking out vids on YT by using the Firefox add-on and liked the Nikon vid for it's sharpness and colour!
Also was pleased with the fact that Rice was glad with my sugestions in my post. I really love this guy's Pentax blog!
May be the silly K-5 vid is posted by someone who dislikes Pentax orso!
The Nikon and Pentax share the same sensor so the IQ can never be to different IMO!
Well at least i am looking forward putting my old-, FA limited- and DA* Pentax glass on a K-5 soon!
Lately I am into making vids with hexacopter (K-r withSMC limited 21mm DA lens (lightweight!!)) and steadycams like glidecam 3000 pro a.s.o.
Long live PENTAX!
Eddie Boschma www.earlysun.nl
The fact is in the end, the D7000 have manual control over video that the K5 lack. Also, D7000 use the very efficient h264 compression in mov container vs the old crappy mjpeg avi files from K5 and fast on demand contrast AF. I do video editing every day with edius 5 and I must say that h264 is very nice when converted to canopus hd codec. Mjpeg is a very inefficient 1990's codec which demand very high bitrate if you want descent quality, much more than SD can offer (even hdd have difficulties !)

The D7000 clearly have an edge on video. For stills, it should be equals, altough, again the D7000 offer more choices like choosing between 12/14 bit raw and dual cards support, a pleasure when shooting raw+jpeg or videos.
4 replies · active less than 1 minute ago
Thanks Mickael!
Ken Rockwell also states that this D70000 is the best crop camera so far.
Now i must say that gear is less important than talent!

I am always interested in technical/creative aspecs of gear and have tried out 2nd-hand Panasonic GH1, GF1, Pentax K-7 and -K-X but sold them again, waiting patiently/restless for the second generation DSRL's capable of shooting vid.
In the end it is the shooting on location and seeing the results on Full HD screens and XL prints on canvas, photopaper or Dibond what puts a smile on my face!

What do you think about the new Sony A580/A55 (a bit strange that the light passes through a transparent mirror!) - It has AVCHD codec. AF seems to be pretty good. Expensive Zeis lenses though.
2 replies · active 758 weeks ago
Eddie Boschma's avatar

Eddie Boschma · 758 weeks ago

sorry for my poor spelling and one 0 to much! K-5 is mucho ee-zi-er
1 reply · active 735 weeks ago
Eddie Boschma's avatar

Eddie Boschma · 758 weeks ago

I am still impressed by the IQ of this simple K20D (non codec/stills-burst) vid i made with 21 fps despite the fact that it is poorly edited and a bit jumpy because it lacks 3 fps. It was just fot fun!: http://vimeo.com/5421724
I wish i could do 24/30 fps with this IQ
YEAH Pentax RULES !!! http://www.youtube.com/watch?v=TBw5Dy6mb0k

Please ask that Youtube user to post HiRes videos !!!!
Michael A.'s avatar

Michael A. · 756 weeks ago

D7000 user's comment from Amazon: "The camera is really nice and the image quality was excellent, but during video you can here a lot of AutoFocus noise. A separate mic or manual focus is necessary to make any type of quality video."

So much for the "AF video advantage"... :o)
Michael A.'s avatar

Michael A. · 756 weeks ago

And another D7000 video: "The only problem I ran into was the video. I was reviewing a few I had recorded and noticed there was a very clear green dot in each of the videos. I'm assuming it was a dead pixel or something on the sensor. I took it back and was lucky enough to get a direct exchange..."

Are "Pentax only BUGS and UGLIES" spreading to Nikon as well... :o)

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