Jumat, 13 Desember 2013

Can i use a digital camera with these features "Full 1080p HD movie recording at 30fps to shoot movie?

Q. Can i use a digital camera with these features "Full 1080p HD movie recording at 30fps to shoot a professional movie say i add external boom mic ad some lens. I shoot local movies and i am planning to buy this digital camera Nikon coolpix px100 to use and shoot movies as it says it could shoot upto a 1080 hd footage. ow i want to cut down the expense of hiring the big shooting cameras which also give me the same hd 1080p as this one could do just the same. Unless there are some hidden explanations but the output is all 1080p right?

A. 1) There is no "Nikon coolpix px100". There is a Nikon Coolpix P100. This is not pro-grade equipment.

2) The "big shooting cameras" use film. Not memory cards. See Panavision and Arri.

3) Some of the the "big shooting cameras" that are digital shoot a 4 times higher resolution for movies. Se Red, Silicon Imaging, Canon EOS Cinema cam (C100, C300, C500) and Black Magic Designs cinema cam (not the pocket cam). They are called "4k cams".

4) The Nikon Coolpix PX100 is a "bridge camera". That means it is in the in-between area - somewhere between a point and shoot and a dSLR. It does not have an interchangeable lens system.

5) These sorts of cameras are designed to capture digital still images. Video capture is a "convenience feature". As with other bridge cameras and dSLRs at the low end, it will overheat after about 20 minutes of continuous video capture. It does not have a mic jack so there is no way to add the external boom mic you think you want to add. You can record the audio externally and synch with the camera-captured audio when editing.

6) The captured video is very compressed AVCHD format into MOV files. My smartphone can capture 1080p video. This does not make it a replacement for high quality, low compression video captured by a proper camcorder when it comes to video and audio quality.

This does not mean the P100 cannot capture decent video - it can - but your expectations of using this consumer grade gear as a replacement for pro-grade high end equipment is misguided.

Lens diameter, imaging chip size, video compression, manual controls and LOTS more - like using stabilizing equipment, different mics (not just a shotgun mic), lighting, cabling, editing and other items go into a production. A $300 device not designed for what you want to do is a perfect set up for frustration and failure because your expectations of the equipment are invalid.


What flash based camcroder should I pick up?
Q. I'm heading to D.C. next month and I wanted a camcorder to record the whole trip. It will also be used to capture a podcast, that to this point has been audio only. My requirements:

Linux Compatible
HD (1080p)
Under 200$ more towards 100$
(optional) LANC jack, so I can plug in an external microphone

A couple of years ago this would have been impossible, now I think it might be do-able. Thanks for the answers!

A. LANC is not a mic input. LANC is a wired remote control for zoom, focus, photo and power.
http://en.wikipedia.org/wiki/LANC

The least expensive camcorder with a LANC port is the Sony HDR-HC9. It also has a 1/8" (3.5mm) stereo mic jack and manual audio control. It is a miniDV tape based camcorder that does 1080i HDV format high definition digital video capture.

1080p camcorder's in your price range are typically "pocket camcorders" with small lenses and small single imaging chip. The resulting low-light behavior is typically not very good. Generally speaking, they record to either AVI or MOV highly compressed h.264 formats. Whether this is "Linux compatible" is sort of important - but what matters more is if the video editor you are using can deal with the video format. I am not aware of any camcorder in the "pocket cam" range with a mic jack (and most certainly none have a LANC port) - but you can check the Sanyo Xacti lineup or the Kodak Zi8. Even if they have a 1/8" mic jack, they do not have manual audio gain control so loud audio will likely cause a very muddy audio (and static - "peaking") to be recorded because of the dependency on the auto-mic gain circuit.





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