HIGHER BIT DEPTH


This, for me, is the moneymaker.

I have no idea why camera companies harp on about megapixels, ISO, autofocus points, and a myriad of other measurements that in 2018 are pretty pointless. Any camera on the market has more than enough in terms of ISO performance and megapixels.
Yet, bit rate is hidden deep inside the camera specs.
The addition of millions of colors, RAW 16 bits add to your sensor is unbelievable.
Usability for the camera department & the color depth are by far the biggest selling point for me. Grading the RAW files in Davinci Resolve are a breeze, it's far easier to create a great color palette than it is with the 8Bit/10Bit compressed camera recording.
 

Bit-Depth-and-Tonal-Range-Graphs-in-Color
-Depth-and-Tonal-Range-Graphs

MOTION CAPTURE AT 4K AND BEYOND

HIGH RESOLUTION CAPTURE IS BENEFICIAL EVEN WHEN THE OUTPUT RESOLUTION IS REDUCED. ADVANTAGES INCLUDE BETTER IMAGE QUALITY, BUT ALSO EXTEND TO LESS FAMILIAR AREAS INCLUDING CREATIVE FLEXIBILITY, POST-PRODUCTION, PRINTS AND FUTURE-PROOFING. THIS ARTICLE SUMMARIZES HOW EACH OF THESE ASPECTS IS INFLUENCED.

Camera resolutions

OVERVIEW

BETTER RESOLUTION HAS BEEN A PRIMARY GOAL OF TECHNOLOGICAL ADVANCES IN CONSUMER VIDEO AND CINEMA OVER THE PAST SEVERAL DECADES – FROM VHS TO DVD TO BLU-RAY. WITH THE RECENT PUSH TOWARD EVEN HIGHER RESOLUTION DISPLAYS, SUCH AS APPLE’S RETINA DEVICES, THIS TREND IS EXPECTED TO CONTINUE. IN THOSE SITUATIONS, HIGHER RESOLUTION IS CLEARLY BENEFICIAL FOR DETAIL AND REALISM.

 1080P

1080P

 4K ULTRA HD

4K ULTRA HD

ON THE OTHER HAND, RESOLUTION ALSO HAS OTHER LESSER KNOWN BENEFITS – MANY OF WHICH APPLY EVEN WHEN THE OUTPUT RESOLUTION IS REDUCED. A COMMON WORKFLOW WITH TELEVISION HAS BEEN TO CAPTURE AT 4K OR HIGHER, BUT TO DOWNSIZE THIS FOR 1080P DISPLAY. ONE’S INITIAL REACTION MIGHT BE TO THINK THAT ALL THE ORIGINAL RESOLUTION HAS BEEN WASTED, AND THAT ONE COULD ACHIEVE AN EQUIVALENT RESULT BY JUST CAPTURING AT 1080P IN THE FIRST PLACE. HOWEVER, AS THE APPLICATIONS BELOW WILL DEMONSTRATE, THAT INITIAL REACTION WOULD BE A MISTAKE.

IMAGE QUALITY

FIRST AND FOREMOST, DOWNSIZED OR “SUPERSAMPLED” IMAGES SIMPLY LOOK BETTER. THEY TYPICALLY APPEAR CLEANER AND WITH FEWER ARTIFACTS, AND HAVE A MORE THREE-DIMENSIONAL QUALITY DUE TO BETTER MICRO-CONTRAST AND MTF. A 2X DOWNSIZE OFTEN REDUCES IMAGE NOISE SIMILAR TO A 1-STOP REDUCTION IN ISO SPEED WITH TRADITIONAL FILM, FOR EXAMPLE. OTHER DEFECTS, SUCH AS LENS IMPERFECTIONS AND IMAGE PROCESSING ARTIFACTS, ARE ALSO MADE LESS APPARENT. THE NET RESULT IS THAT VIDEO CODECS HAVE A BETTER INPUT IMAGE, WHICH IMPROVES BANDWIDTH EFFICIENCY AND QUALITY – EVEN WHEN SHARING AT A SMALL SIZE ONLINE.

scaling from 2K
scaling from 4K UHD

NOTE: ABOVE COMPARISON WAS MADE USING A HIGH ISO SETTING ON A NOISY DIGITAL VIDEO CAMERA. NOISE WILL BE MUCH LOWER WITH RED®, ALTHOUGH THE QUALITY IMPROVEMENT FROM DOWNSIZING WILL BE JUST AS PRONOUNCED.

CREATIVE FLEXIBILITY

A HIGHER RESOLUTION MASTER EXPANDS THE POST-PRODUCTION POSSIBILITIES. FOR EXAMPLE, ONE CAN CROP TO CREATE AN ALTOGETHER DIFFERENT COMPOSITION, OR A TIGHTER TELEPHOTO FRAMING. ALTERNATIVELY, ONE CAN INTENTIONALLY PAD THE FRAME AROUND A MOVING SUBJECT TO DECREASE THE CHANCE THEY’LL ACCIDENTALLY FALL OUT OF FRAME. THE END RESULT IS THAT RE-SHOOTS ARE LESS LIKELY – REDUCING COSTS AND PRODUCTION TIME.

window of crop from 4K
cropped window from 4K

PRINT-READY STILLS

STILL FRAMES FROM 4K+ VIDEO ARE WELL-SUITED FOR PROFESSIONAL QUALITY PRINTS AT A WIDE VARIETY OF SIZES. THIS IS PARTICULARLY HELPFUL WHEN A FASHION VIDEO WILL ALSO BE USED AS A STILLS PHOTO SHOOT, OR WHEN MOVIE FRAMES NEED TO BE PULLED FOR FULL-PAGE MAGAZINE ADVERTISING. SUCH CAMERAS EFFECTIVELY MERGE THE ROLES OF PHOTOGRAPHER AND VIDEOGRAPHER.

5K photo vs 1080P photo

VFX & STABILIZATION

A HIGHER RESOLUTION MASTER GIVES VFX ARTISTS MORE TO WORK WITH. ZOOMS, PANS AND OTHER CAMERA MOVEMENTS CAN BE SIMULATED IN POST-PRODUCTION WITHOUT HAVING TO PHYSICALLY MOVE THE CAMERA. EVEN PRONOUNCED VIBRATIONS OR OTHER UNINTENTIONAL CAMERA MOVEMENTS CAN BE MINIMIZED WITHOUT SACRIFICING OUTPUT RESOLUTION, FOR EXAMPLE. SIMILARLY, CORRECTIONS FOR LENS DISTORTION AND PERSPECTIVE ARE LESS DETRIMENTAL TO IMAGE SHARPNESS. KEYING AT A HIGHER RESOLUTION IS ALSO MORE ACCURATE, AND CAN BE CRITICAL WITH HAIR OR OTHER HIGHLY DETAILED GREEN SCREEN FOREGROUNDS.

green-screen1.jpg

FUTURE PROOFING

HIGH RESOLUTION CAPTURE ENABLES FUTURE RE-RELEASES ON NEWER FORMATS – IMPROVING THE MONETIZATION POTENTIAL OF EXISTING FOOTAGE. WE’VE ALREADY SEEN THIS HAPPEN WITH STANDARD DEFINITION CONTENT RENDERED UNUSABLE WITH THE MOVE TO HIGH DEFINITION – THOSE THAT DIDN'T KEEP UP WERE OUT OF LUCK WHEREAS THOSE CAPTURING HD WERE ABLE TO REPURPOSE THE CONTENT CREATING A SUBSTANTIAL STREAM OF ADDITIONAL REVENUE. WITH A FUTURE THAT WILL INCLUDE INTERNET DELIVERY TO 4K ULTRA HIGH RESOLUTION DISPLAYS AND PROJECTORS (UHD), HAVING HIGHER RESOLUTION FILES WILL BECOME MORE IMPORTANT THAN EVER.

Source: http://www.red.com/learn/red-101/motion-ca...