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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Judder Issues on RED one

Chinese Dragon

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I shot indoor Tugen lights00:

2K 2:1
Frame rate : 50P
ISO : 320
Shutter : 1/100
ARRI Prime Lens : Stops at T3

No Matte Box or any filters

Monitors:

JVC : 24" 1: 1 HD LCD Monitor
TV Logc : 24" HD LCD Monitor 241W ( New one with Waveform and Vector )

Why we shot in 2K in higher frame rates ?

We need to mix with the footage with the 16mm Film based fast Pan shots.

Results :

1) RED one :

4K : can not handle smooth panning shot ( 30P only in RED drive 36MB already )

2K 50P : REDCODE 36MB but 2K window on shooting ( No Real Time Scaling from 4K to 2K to get the FOV on REDDrive !!! )

Our final post work will be in 2K 25P or 50P then cropped to HD1080P 4:2:2 or 4:2:0 in a 150" HD projectors.

I aware that JVC 720 is 720 50/60P and Sxxxy 1080 is going to support 50/60P as well.

Why RED 4K is only max. 30P in only 28 or 36MB /s ?

Any DSP upgrade on RED one to address the " Judder " issues or I need to get a little help from Snell & Wilcx or Digital Vision or Vistek ? for ther Motion compensation help to the RED limited frame issues for the non - Film proejecton worlds !!!

I do not like any onderators to freeze me again, and I am taking about the REAL Primary issues of NON - Film worlds.

My Best . -

Stew.
Founder and Alchemist
REDHKSC.org ( under CHINA 's development )
HKG - Shanghai - Beijing - Shenzhen
TW.
 
For field of view, 16mm to 35mm is just 2.1x the focal length to get the same field of view. S16 to 35 is 1.7x, so I imagine that s16 to s36 field of view hovers right around the 2.0x mark, which should be an easy enough calculation to get you pretty close to the same field of view.
 
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