James Kirby

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James Kirby’s VISUAL Vol. 01

Colour LUT

$29one camera format

Two film looks, timed the way a lab times a print: Kodak Vision3 50D for daylight and 500T for tungsten, both printed on 2383. Made in Driffield, my film emulation plugin, for 13 camera formats.

Looks
50D for daylight, 500T for tungsten
Formats
13 camera log formats, or Rec.709
Files
65 and 33 point .cube files, a short PDF guide
Works in
DaVinci ResolvePremiere ProFinal Cut Proand any app that reads .cube

The look

See it on real footage

My own clips, from my Canon in log and a Blackmagic Pocket in raw. Drag across to see them as shot and through VISUAL, and pick a clip below.

Pre-releaseOn the roof, Chiang Mai, as shotOn the roof, Chiang Mai, through VISUALLog, as shotVISUAL

On the roof, Chiang Mai. Canon Log 3, 50D.

Two films

One for the sun, one for the lamps

A banana field at dawn, through VISUAL 50D

50D Daylight

Balanced for 5600K. Rated EI 50.

For sun, open shade and blue sky.

Wet cobbles under street lamps at night (Blackmagic Pocket raw), through VISUAL 500T

500T Tungsten

Balanced for 3200K. Rated EI 500.

For evenings, lamps and warm interiors.

Your camera

Made for 13 formats

Pick the one your camera records in above, or take all 13. Shooting standard video rather than log? Take Rec.709.

Apple iPhoneARRIBlackmagic DesignBlackmagic DesignCanonFujifilmNikonPanasonicSony
Apple LogARRI LogC3ARRI LogC4Blackmagic Film Gen 5Canon Log 3CineonDaVinci IntermediateFujifilm F-LogFujifilm F-Log2Nikon N-LogPanasonic V-LogRec.709Sony S-Log3

How it’s made

Made in Driffield

VISUAL is exported from Driffield, my film emulation plugin for DaVinci Resolve, in development. These are the settings it was made at, so you know exactly what’s in the LUT.

Negative
Kodak Vision3 50D for daylight, Vision3 500T for tungsten
Print
Kodak 2383
Printer lights
25 on each, a neutral print
Exposure
As metered, no push
Interlayer
3. My one look choice: a little more colour, set by eye on my own footage
Pre-releaseOn a banana field at dawn, as shot in Canon Log 3The same frame through Driffield: Vision3 50D printed on 2383As shotThe print
Fig. 1One frame of mine, shot in Canon Log 3, through Driffield at VISUAL’s settings: Vision3 50D printed on 2383. Drag to compare, and switch the left side to the negative to see the step in between: the negative as a film scanner records it, flat and the right way round (the strip itself is orange and inverted).

For VISUAL’s three films, Vision3 50D, Vision3 500T and the 2383 print, the curves, spectral sensitivities and dye densities all come from Kodak’s own published datasheets for those films. Every build of the plugin runs more than 150 automated checks.

The negativeVision3 500T, density above the base-6-4-20+2+4+600.511.5STOPS FROM A GREY CARDDENSITYGBRthe scale on the negative, as a light box shows itThe print, on screenKodak 2383, Rec709, paper white = 1-6-4-20+2+4+600.250.50.751STOPS FROM A GREY CARDLIGHTmid grey,a tenth of paper whitethe same scale on screen
Fig. 2VISUAL 500T’s grey scale, from the negative to the print, rendered by Driffield with grain, halation and weave off. The curves inside it are Kodak’s: Vision3 500T from H-1-5219t, 2383 from H-1-2383t.

What the LUT carries

The colour and tone of the print: how the film sees each colour, its contrast, and how the highlights roll off.

What it can’t

A LUT changes one colour into another, pixel by pixel, so it can’t carry anything that depends on neighbouring pixels or on time: grain, halation, glow, gate weave and flicker, film sharpness and edge effects. Driffield does those live.

In the download

Everything you need

Inside

  • VISUAL 50D and VISUAL 500T for your camera format
  • Each as a 65 point and a 33 point .cube file
  • A short PDF guide: where the LUT goes, which look for which light, and the one setting that matters

Three steps

  1. Shoot in your camera’s log profile and balance for the light you’re in.
  2. Put the LUT after your exposure and white balance, with nothing converting the log before it.
  3. In DaVinci Resolve, set 3D LUT interpolation to Tetrahedral.

Who made it

From me

James Kirby

My first film looks were made by eye. For VISUAL I wanted something I could measure, so it’s built from the film makers’ own published data and timed to the lab standard, then checked on my own Canon Log 3 footage.

Which format do I need?

The one your camera records in. Shooting standard video rather than log? Take the Rec.709 version.

LUT or LUT + PowerGrade?

The LUT works in any app that reads .cube. The PowerGrade is for DaVinci Resolve users who want the whole grade set up, with the LUT in place.

Does it add grain?

No. A LUT carries colour and tone only. Add grain and halation yourself, or wait for Driffield, which does them live.

Is it a LUT of Driffield?

Yes. It’s two of Driffield’s films at the settings above, baked into a file any editor can read. The LUT carries the colour and tone of the print. Driffield does more, live: grain, halation and gate weave, and every setting can change. It’s in development.

When is it out?

When it’s finished, not before.