Again some Questions About NV-GS100K. at DVinfo.net

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Old September 30th, 2003, 02:10 PM   #1
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Again some Questions About NV-GS100K.

okay.. First of all, sorry about my limited knowledge of Digital photography. Here are some questions that i have.

1. Can GS100k be able to shoot in all of the image resolutions between 640x480 to 2048x1512, or just those two resolutions? And also, a technical question (maybe it is too stupid); lets say if i shoot at 640x480, is the machine shoot at 2048x1512 regardless of what resolution that i pick (in this case 640x480) and interpolates to 640x480? i am asking this because, if that is the case i dont have to shoot at max resolution and bring into Photoshop to interpolate into something smaller in order to get more sharper image. Maybe it is like that.. if it is just ignore this question. :)

2. From the photos of this nice baby (GS100K), i saw on the machine that, max zoom is 100X. Is it like that? or it has 700X digital zoom feature like PV-DV953? what is the optical and digital zoom on this cam?

Thanks.
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Old September 30th, 2003, 06:40 PM   #2
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Some answers

Hi Ali,

1: The gs100 shoots stills in 640x480 and 2048x1512 only. You would need to shoot in the higher resolution (SD card mode only) and interpolate down in a picture editor to get any other size. 640x480 can be shot while in tape or card mode.

2: The camera has 10X optical zoom through the lens. It can be locked in the menus to only allow optical zoom or can be set to limit the digital zoom to make it go to a total of 25X (10x optical * 2.5x digital) or 100X (10x optical * 10x digital) as well. The camera cannot zoom beyond 100X without adding lens adapters.

Digital zoom will reduce the quality of the image the more you use it. I normaly leave the camera locked to optical zoom only.

Hope this helps.
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Old October 1st, 2003, 11:22 AM   #3
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well, this is not good. This makes it harder to use the SD card more efficiently. I wish there is way to interpolate and save the images on the card in the camera. btw, is 640x480 interpolated version of 2048x1512?

thanks.
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Old October 1st, 2003, 07:35 PM   #4
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The interpolation is done to achieve the max resolution of 2048 x 1512. The GS100 has 3 x 800KP CCDs. Go figure how the cam is able to achieve 3.1MP resolution for stills.

A major feature of the Crystal Engine is the acronym AXIS which stands for Advanced Pixel Interpolation System; Pany's claimed to be superior method of approximating image data not captured by the CCD, especially the higher frequency signals (which were not as closely estimated/reproduced in previous interpolation method), resulting in finer details, striking clarity, and thus more faithful reproduction of subject image (higher definition that is - I'm not saying HD ok).

If you want better quality stills (from current camcorder line-up), you'd better check the Xi or the PC300 instead. If you want to get the best resolution, forget about using the SD card efficiently.
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Old October 2nd, 2003, 03:04 AM   #5
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<<<-- Originally posted by Ali Tan Ucer : well, this is not good. This makes it harder to use the SD card more efficiently. I wish there is way to interpolate and save the images on the card in the camera. btw, is 640x480 interpolated version of 2048x1512?

thanks. -->>>

That's why one of the first things I got for the camera was a 256 Mb SD card...

And no, the 640x480 is not an interpolated version of a higher resolution image. The two image sizes are made using different methods inside the camera.

I'm somewat fuzzy on the exact details of this though.
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Old October 2nd, 2003, 01:19 PM   #6
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maybe they will implement it on >> NV-GS200K ... who knows... i think it will be totally perfect, if the camera shoots at the higest possible and saves it in the resolution that we pick. This needs an additional buffer.. but i am sure it is piece of cake for Panasonic.
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Old October 3rd, 2003, 03:09 AM   #7
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It will certainly be better to capture at hi-res, then use a good photo program like Photoshop to scale the image down in post-processing. The built in low-res is a quick combination of pixels.

In any case, as of today (October 2003), no video cam, 1CCD or 3CCD will rival a typical still camera in captured still quality. Still the same law: buy a video cam for video, a still cam for stills. Use the still feature as a bonus or a convenience.

That's why I am now holding a still cam and a video cam!

And believe it or not, a 1CCD video cam actually captures MUCH better stills than a 3CCD video cam. The 3CCD interpolates and does some digital magic to get high res. My previous MX8 (1CCD 1.2MP stills) are WAY better in terms of noise and sharpness compareed to my current MX350 (3CCD 1.8MP stills). The MX500 and GS70 has improved stills a great deal, but the noise is still visible. Maybe I'm too picky.
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Old October 5th, 2003, 12:17 AM   #8
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Exactly. I still carry my old trusty Cannon Powershot S300 with a 512 cad in it. It takes great shots at 2.1 MPxls.

I've taken thousands of pictures with it and it still works just great.
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Old December 10th, 2003, 03:12 PM   #9
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Most DV cams I've seen take great stills as long as you leave them set to 640x480 which is close to their native video resolution (720x480 NTSC).

Here are a few 640x480 stills from my past cams.

NV-MX1000 (aka DV852 and MX8)

http://img.villagephotos.com/p/2002-...%20(Small).jpg

PV-DV953 (aka NV-MX5000 and MX500)

http://img.villagephotos.com/p/2003-...Picture360.jpg

DSR-PDX10

http://img.villagephotos.com/p/2003-...5/pdx10(1).jpg
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