Just got my new Pentax 750z yesterday & I have been trying out the movie mode. I'm not sure what to expect in terms of quality but I have a couple of issues ...... in low light (indoors) I sometimes get a distorted "band" scrolling up the picture. Also, if I'm outdoors & move the camera fairly quickly whilst taking a movie, I get the same kind of distortion.
Is this issue simply relating to poor light & sudden movement of the camera or is there an issue with my particular camera (i.e do I have a lemon?).
Would appreciate hearing from anyone who understands more about digital movies & what I can/should reasonably expect from this camera.
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I suspect the same problem: A slow PC processor video card that is incapable of refreshing at 30 fps that many pixels. Often if I have other things running on my PC at the same time as I view video (running 2500 Athlon XP) it will be jerky, lines, etc. But is I shut all other applications down (you would be surprised how much processing can be taken up by real time virus checking programs) it works great.
Actually the only video I have seen that exceeds the Pentax 750Z is the much older Canon Powershot S1. That camera with only 3 megapixels produces superb movies and with the 10X lens and an add on 2x converter it still does a great job up to about 50X while using about 2.5x digital along with the full 20X optical. It's darn nearly a camcorder! But the Pentax is not far behind. Too bad you can't add an accessory lenses!
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FedEx just dropped off my 750z a few hours ago(!), so I have only had a short time to play around with it.
I did try 1 quick video at 640/30fps, and I did not see anything like what you described (perhaps you could grab a jpeg frame from the vid and post it here so we could see?)
My only thought is: What is the speed of the PC that you are playing the vid on? It has been my experince that the MotionJPG encoding that cameras use, while fast for capturing the video can be a dog when it comes to playback.
I suggest you either try playing the video on a fast PC (if, in fact, yours is not), or try re-encoding the vid with a more efficient codec. (for that you'll need quicktime pro, or a similar program such as RAD Video Tools which is freeware)
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Green mode locks all the camera's settings except for the flash. It
can be turned off, however. There are 12 preset shooting modes. The main menu screen features chirpy cartoon icons for
all the standard options, and some more unusual selections. A
MySpace-friendly self-portrait mode is included, as well as settings for
snapping pets and food.
Oddly, the menu is laid out in no particular order: the top row
features program, night, movie, voice recording and novelty frames,
while the more useful portrait and sport are relegated to the lower
tiers. The pre-loaded frames are even lamer than we've come to expect
from such fripperies, and they ratchet the processing time right up.
Green Button - Define function of the GREEN button
All digital cameras I have had has no provision for flash while in movie mode. What you can do is to use movie mode and use another camera or flash to flash and get the mood you are intending.
I don't know for sure, but it sounds like it could be a memory card problem. Have you tried it with another card or no card at all?
My S4i froze up completely from a bad sd card. The green power button would light up, but nothing else would happen. Pentax recommends Lexar or Panasonic sd cards from what I have heard. My new Lexar card hasn't had any issues.
Ive got the s5n and dont have the same problem.
Maybe you should return yours.
Btw what software are you using to edit your videos and have you found a good way to play them through your dvd player in mpeg-4 or another format?
After selecting Quicktime Movie mode from the mode dial, you can begin recording by pressing the shutter button. Press the shutter button again to stop recording the movie.
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