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Old Nov 28, 2008, 9:56 AM   #51
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I am having a look at the footage shot first, the pan and motion tests. The red color and the skies turning white. Back before I learned a lot from technical stuff, professionals would not touch single chip cameras because they were hobbled with complimentary color filtered sensors (yellow, cyan etc) instead of the red green blue combinations used to day. The sensors used to produce a lot of error in color etc, though they allowed a bit extra light, but ultimately red green and blue had to be reconstructed from estimates. The Bayer GRGB filter patterns do this but are much more accurate, as they start with the primary colors to begin with. It was before I learnt a lot about camera, but these sensors are sued on low quality cameras for extra light and just to ruin the image, and I wonder if it could be what is causing these image problems, anybody familiar with this.

A work around for the red problem is to use a filter that filters out the correct portion of the red color (it may lead to a little bit more noise though, and less accuracy than correcting in camera, as mentioned before). They used to sell these filters for consumer cameras to correct the deliberate color imbalance manufacturers used to introduce, but they would be tailored for that imbalance.
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Old Dec 4, 2008, 4:04 PM   #52
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Here is more zoom testing, you can clearly notice stuttering in digital zoom.

http://www.youtube.com/watch?v=EUrlLmi1XJo
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Old Dec 4, 2008, 5:11 PM   #53
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Are you saying that the Digital zoom portion only when zooming hesitates?

if so then the camera does not have a seemless zoom like Musteks
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Old Dec 7, 2008, 2:52 PM   #54
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Yes it hesitates or calculates too long, anyhow it isn't seamless as it should be, could be firmware problem. I don't know how exactly they do digital zoom in cameras, but I guess it is only somekind of bitmap resize calculation and Aiptek could not do it smoothly.

fishycomics wrote:
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Are you saying that the Digital zoom portion only when zooming hesitates?

if so then the camera does not have a seemless zoom like Musteks
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Old Dec 7, 2008, 5:09 PM   #55
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on the digital it is incremented it will hit a certain level and hesitate and then skip it is not slow it is a fast zoom.

no way to slow/speed with joystick like a gas pedal. the Action I am sure it is slower but again not thebest zoom as well.
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Old Dec 8, 2008, 1:40 PM   #56
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Yes there is a stop between the optical zoom and digital zoom. If you zoom from wide angle to full zoom, the zoom stops when it reaches maximum and then you have to let go of zoom button and then push it again to use the digital zoom. The digital zoom isn't smooth.
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Old Dec 8, 2008, 6:31 PM   #57
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Is it the consensus that EVERTHING about the AHD Z600 is SUPERIOR to the A-HD, except for low light?

Smaller, lighter, better quality video, better quality audio, more options, better zoom, etc...

Also, any footage of AHD Z600 in low light conditions?
Does the form factor fit into pockets easier than an A-HD?


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Old Dec 9, 2008, 12:03 PM   #58
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kiyoshi_music wrote:
Quote:
Is it the consensus that EVERTHING about the AHD Z600 is SUPERIOR to the A-HD, except for low light?

Smaller, lighter, better quality video, better quality audio, more options, better zoom, etc...

Also, any footage of AHD Z600 in low light conditions?
Does the form factor fit into pockets easier than an A-HD?

Is it(Z600) superior to A-HD? Well I would think so or else we're getting screwed by Aiptek BIGTIME. Fishy owns a lot of hybrids and has without a doubt the most experience and knowledge regarding these hybrids. Try pm him your question if he hasn't already seen your post.

Wether it be the Z600 or the GVS, they are both larger than the A-HD. It's bulkier at the top or lens barrel is bigger. I think it's also larger in overall size, because it has a 3" LCD. I would say the A-HD fits most pockets more than the Z600/GVS.



I've added the picture only to give you an idea of how much bulkier the lens barrel is compared to the A-HD.

Sorry cannot provide you with any low light footage as I've already sold mine.


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Old Dec 9, 2008, 1:48 PM   #59
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So please can somebody do this Zoom-In and Zoom-Out in 1080p
mode and upload it to www.vimeo.com
so one can download the original MOV video,
so I can have a closer look at the quality ?

Also I would like a few test clips explaining
and showing the fixed locked autofocus function.

Many thanks in advance.
Regards, Stefan.


hartiberlin wrote:
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Can please someone post a ZOOM-IN and Zoom-out
video in 1080p mode with the Aiptek Z600
camera please ?

It seems the 720p mode has interpolation artifacts,
and this camera has only a good resolution in the 1080p
mode.

But all the posted samples at vimeo.com
did not zoom...so how good is the zoom ?


By the way, is there a real 1920x1080 mode or only
1440x1080 mode ?

Too bad it still also does not have an HDMI output...

But how good is the autofocus in dark light at a flashing
music concert lights ?

Will it again try to focus back and forth and
make the video unstable and shaky this way ?

Could it be hacked, so one could
control the lens focus point via a manual turn screw ?

Regards, Stefan.
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Old Dec 9, 2008, 5:19 PM   #60
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Hi Stefan,

I think I have a clip of zooming somewhere on my harddrive but I don't remember if it's in 1080p. I'll post it ASAP.

As I don't have this camera no more, I can only explain the focus lock feature. To make it a bit easier to understand I have added a pic with explanation.


The thing is that this AF lock function works best when recording a static object/subject or with very little movement. To much movement infront camera or changing the position of the camera too much will blur the video. So it's use is somewhat limited as you cannot the focus while recording like with manual controlled focuses.

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