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Under Water, Over Land
Tools & Techniques for Nature, Outdoors, Wildlife & Underwater Videography.


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Old November 16th, 2009, 03:27 AM   #16
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It'll work by setting the camera to 1080/30 or 720/60 and extracting the neccessary frames.
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Old November 17th, 2009, 08:33 AM   #17
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Good Morning,

I was wondering why any of the semi reasonable priced cameras only overcrank in 720 P.


I looked seriosly at the ex 3 but did not buy it and one of the reasons was this issue.

If you are going to overcrank wouldn't you want 1080 P so it matches the rest of ones footage?
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Old November 17th, 2009, 09:38 AM   #18
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To overcrank at 1080P requires much more processing power and that's why it's only available in SERIOUS cameras - ie Sony F23 and the like. The new Sony SRW9000 will do it with optional boards but you'd be looking at aroun £100k. Don't be surprised that the EX3 can't do it!
Also remember Planet Earth was largely Varicam - a 720 camera that's not even got as much resolution as the EX3 in 720 as the Panny's DVCPro is pixel shifted from 960x720 upto 1280x720. Looked pretty good to me!
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Old November 19th, 2009, 06:37 AM   #19
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Total agree with what Steve has said about the overcranking.

What makes using the nanoFLASH with the overcranking (firmware update due in January for this feature) is the ability to record at a higher bit rate and colour space. i.e. instead of 35Mbps at 4:2:0, you can record at 100Mbps at 4:2:2. The benefit is that the higher bit rate will hold much better in post.
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Old November 30th, 2009, 11:56 AM   #20
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Good Morning,

I guess 720 P is what it is going to be.

Is the nano flash available to other cameras beside the ex3?
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Old November 30th, 2009, 12:42 PM   #21
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NanoFlash is not doing over/undercranking yet. Perhaps in the Dec '09 firmware update. It currently does support time lapse.

Twixtor, IMHO, remains the best plug-in for slow/fast motion. Expect some long render times, regardless of Windows or Mac platforms.

In order to achieve that 4:2:2/50 Mbps long-GOP requirement, your best bet for EX-3 would be output to Nano and do time remapping through Twixtor.

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Old November 30th, 2009, 01:56 PM   #22
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Don't agree with you there Ned. Best way at present is to set to 720/60P and conform to 25P in Cinema Tools. Gives perfect slomo, just as it would with overcranking enabled in the Nano (ie each frame is full and complete). There are 3 benefits to having it done "in Nano"; 1 you can choose exactly what frame rate you want (ie 12, 29, 43 etc.); 2 you don;'t have to do the Conform step (even though this is almost instantaneous as no re-coding involved); and 3 that you'll be able to play it back slomo right off to see what effect you're getting.
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Old December 1st, 2009, 06:25 AM   #23
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Quote:
Originally Posted by Dale Guthormsen View Post
Is the nano flash available to other cameras beside the ex3?
The nanoFLASH can be used with many different cameras. The biggest thing you need to ensure is that the camera has either a HDMI or HD/SD-SDI with a compatible format. The cameras that I know of that are being shot in conjunction with the nanoFLASH are;

Sony

PMW-EX1
PMW-EX1R
PMW-EX3
PMW-EX350
F900
XDCAM HD
HVR-S270
HVR-Z5
HVR-Z7

Canon

XL-H1
XL-H1a
XL-H1s
G1
HV20
HV30
HV40
HFs10
HFs11

Iconix

HD RH1

Hitachi

HV-HD30
DK-H32

Ikegami

HDL-2

JVC

GY-HD250
GY-HD251
GY-HM100
GY-M700

Panasonic

HPX170
HPX500
HPX-900
HPX-300
GP-US932

Toshiba

IK-HD1
IK-HR1D
IK-HR1H
IK-HR1S

Others

Thomson Viper
Vision Research Phantom Cameras (HD-SDI output)
Wige Cumina Camera
Easy Look Systems Cameras

Quote:
Originally Posted by Dale Guthormsen View Post
I guess 720 P is what it is going to be.
The firware update for over and undercranking is due in the January firmware release (but I really hope that gets brought forward to Decemberís release). The time lapse is I-Frames only not Long GoP at the present moment in time.

I believe in the future 1080p overcranking with be available on cameras such as the EX-?ís, but when that happens I donít know. Maybe five, ten, fifteen years time!
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