NTCLOGc - Alternative c-log Custom Picture Style for Canon C100/C300

NTCLOGc – Alternative c-log Custom Picture Style for Canon C100/C300

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by Patrick Zadrobilek

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NTCLOGc – Custom Picture Profile

This is an alternative to the renowned Canon-Log (C-Log) Custom Picture Profile for the Canon C100 and the C300.

NEW: Added the downloadable CP for the Canon C300 (special thanks to Alexander ‚Bobo‘ Boboschewski for the C300 support!). This is a slightly improved version of the original C100 CP with better color representation, Vectorscope-calibrated, very nice colors, but still in beta state. Try it out before shooting projects with it.

Download CP for Canon C100 & C300

NTCLOGc Custom Picture Profile [zip] Beta Revision B for Canon C100

NTCLOGc Custom Picture Profile [zip] Beta Revision F for Canon C300

The name of the CP explanes as follows: NT NTown, CLOG c-log gamma & c-log matrix, c means color-corrected (n would mean neutral) and a additional capital letter at the end means that the CP is BETA (version A-Z) and the final version does not have this additional ending letter.

	USAGE:

	  Extract and copy the .cpf file on a SD Card in the directory structure
		(create it if it's not on the sdcard)

	  PRIVATE/C_PICT

	  import them via Custom Picture Menu:

	  Transfer File -> Load from SD -> (A or B)

	  or just set the CP directly from the SD-Card.

The CP is in it’s test-phase and BETA. But it looks pretty good right now and gives really great vivid colors when graded.

Main difference to the original C-Log is a corrected white balance, a modified color-matrix which gets rid of that slight greenish tone in C-Log and correct black & white levels ranging from 0-100% (unlike original C-log which was ranging from apx. 10-110%).
Skintones will also improve with this CP. They are much more pleasing and nicely showing all color-nuances the face is reflecting.
This CP can be greatly graded with vivid colors and deep shadows. In the video below I pushed the overall saturation to nearly 200% and in addition to that I increased saturation in midtones to apx. 120-140% and the material responds wonderfull the this very intense grading which has pretty deep shadows but retains all the highlights. I used Speedgrade to grade the clips which are recorded with Atomos‘ Ninja2 using the DNxHD 220x 10-bit codec which is very clever when interpolating the 8-bit output (or is it more?) of my Canon C100!

When using NTCLOGc The correct exposure for for skintones is around 70%. The exposure is correct if faces and the general image looks brighter than normal. In grading just lower the overall gamma curve to compensate the image brightness distribution against the c-log curve and if you like just add saturation and/or set the tone to you liking.

The image below shows the difference between the original c-log the the modified NTCLOGc:

slide over the image to see the difference

I mentioned the problem with the rised black levels and super-whites in an earlier article and think this is a good alternative CP to the existing c-log Custom Picture Style.

Try it out, test it. Examine it’s skintone behaviour and tell me what you think about it.

I’m working on a range of new Custom Picture Profiles for the Canon C100/C300 so stay tuned!

The movie below is shot entirely with the new NTCLOGc Custom Picture Style recorded in 10-bit with Atomos Ninja2 in DNxHD 220x and graded with Adobe Speedgrade.

This is a growing article with regular updates, so check back from time to time.

Custom Picture Profile Settings

Parameter Settings for the Canon C100 (click to expand)

Rename                                      : "NTCLOGcB"
Protect                                     : Unprotect
Gamma                                       : Canon Log
Black - Master Pedestal                     : -1
Black - Master Black - Red                  : +0
Black - Master Black - Green                : +0
Black - Master Black - Blue                 : +0
Black Gamma - Level                         : +0
Black Gamma - Range                         : +0
Black Gamma - Point                         : +0
Low Key Satur. - Enable                     : On
Low Key Satur. - Level                      : +5
Knee - Enable                               : Off
Knee - Slope                                : +0
Knee - Point                                : 95
Knee - Saturation                           : +0
Sharpness - Level                           : -10
Sharpness - H Detail Freq.                  : +0
Sharpness - Coring - Level                  : +0
Sharpness - Coring - D-Ofst                 : 0
Sharpness - Coring - D-Curve                : 0
Sharpness - Coring - D-Depth                : +0
Sharpness - HV Detail Bal.                  : +0
Sharpness - Limit                           : +0
Sharpness - Select                          : 0
Sharpness - Knee Aperture - Gain            : 0
Sharpness - Knee Aperture - Slope           : 1
Sharpness - Level Depend - Level            : 0
Sharpness - Level Depend - Slope            : 0
Sharpness - Level Depend - Offset           : 0
Noise Reduction                             : Off
Skin Detail - Effect Level                  : Off
Skin Detail - Hue                           : 0
Skin Detail - Chroma                        : 16
Skin Detail - Area                          : 16
Skin Detail - Y Level                       : 16
Selective NR - Effect Level                 : Off
Selective NR - Hue                          : 0
Selective NR - Chroma                       : 16
Selective NR - Area                         : 16
Selective NR - Y Level                      : 16
Color Matrix - Select                       : Canon Log
Color Matrix - Gain                         : -5
Color Matrix - Phase                        : +0
Color Matrix - R-G                          : +0
Color Matrix - R-B                          : +0
Color Matrix - G-R                          : +0
Color Matrix - G-B                          : +5
Color Matrix - B-R                          : -5
Color Matrix - B-G                          : -5
White Balance - R Gain                      : +1
White Balance - B Gain                      : +1
Color Correction - Select Area              : Off
Color Correction - Area A Setting - Phase   : 0
Color Correction - Area A Setting - Chroma  : 31
Color Correction - Area A Setting - Area    : 31
Color Correction - Area A Setting - Y Level : 31
Color Correction - Area A Revision - Level  : +0
Color Correction - Area A Revision - Phase  : +0
Color Correction - Area B Setting - Phase   : 0
Color Correction - Area B Setting - Chroma  : 16
Color Correction - Area B Setting - Area    : 16
Color Correction - Area B Setting - Y Level : 16
Color Correction - Area B Revision - Level  : +0
Color Correction - Area B Revision - Phase  : +0
Other Functions - Setup Level - Level       : -2
Other Functions - Setup Level - Press       : Off
Other Functions - Clip At 100%              : Off

Parameter Settings for the Canon C300 (click to expand)

Rename                                      : "NTCLGcFc"
Protect                                     : Unprotect
Gamma                                       : Canon Log
Black - Master Pedestal                     : +-0
Black - Master Black - Red                  : -1
Black - Master Black - Green                : -1
Black - Master Black - Blue                 : +-0
Black Gamma - Level                         : +-0
Black Gamma - Range                         : +-0
Black Gamma - Point                         : +-0
Low Key Satur. - Enable                     : On
Low Key Satur. - Level                      : +25
Knee - Enable                               : On
Knee - Slope                                : +-0
Knee - Point                                : 95
Knee - Saturation                           : +-0
Sharpness - Level                           : +-0
Sharpness - H Detail Freq.                  : +-0
Sharpness - Coring - Level                  : +-0
Sharpness - Coring - D-Ofst                 : 0
Sharpness - Coring - D-Curve                : 0
Sharpness - Coring - D-Depth                : +-0
Sharpness - HV Detail Bal.                  : +-0
Sharpness - Limit                           : +-0
Sharpness - Select                          : 0
Sharpness - Knee Aperture - Gain            : 0
Sharpness - Knee Aperture - Slope           : 1
Sharpness - Level Depend - Level            : 0
Sharpness - Level Depend - Slope            : 0
Sharpness - Level Depend - Offset           : 0
Noise Reduction                             : Off
Skin Detail - Effect Level                  : Off
Skin Detail - Hue                           : +-0
Skin Detail - Chroma                        : 16
Skin Detail - Area                          : 16
Skin Detail - Y Level                       : 16
Selective NR - Effect Level                 : Off
Selective NR - Hue                          : 0
Selective NR - Chroma                       : 16
Selective NR - Area                         : 16
Selective NR - Y Level                      : 16
Color Matrix - Select                       : Canon Log
Color Matrix - Gain                         : +50
Color Matrix - Phase                        : +4
Color Matrix - R-G                          : -10
Color Matrix - R-B                          : -36
Color Matrix - G-R                          : -15
Color Matrix - G-B                          : -18
Color Matrix - B-R                          : -23
Color Matrix - B-G                          : -6
White Balance - R Gain                      : +1
White Balance - G Gain                      : +-0
White Balance - B Gain                      : +-0
Color Correction - Select Area              : Off
Color Correction - Area A Setting - Phase   : 0
Color Correction - Area A Setting - Chroma  : 16
Color Correction - Area A Setting - Area    : 16
Color Correction - Area A Setting - Y Level : 16
Color Correction - Area A Revision - Level  : +-0
Color Correction - Area A Revision - Phase  : +-0
Color Correction - Area B Setting - Phase   : 0
Color Correction - Area B Setting - Chroma  : 16
Color Correction - Area B Setting - Area    : 16
Color Correction - Area B Setting - Y Level : 16
Color Correction - Area B Revision - Level  : +-0
Color Correction - Area B Revision - Phase  : +-0
Other Functions - Setup Level - Level       : -3
Other Functions - Setup Level - Press       : Off
Other Functions - Clip At 100%              : Off

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