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Driftwood ARRI EI Map DCTLe

Arri EI Map

Nick Driftwood has released his new ARRI False Color Exposure Index DCTL for LogC3 and LogC4 users within Davinci Resolve Studio. This works verbatim as to how it works in-camera. Now, ARRI users can check their clips across the edit and grade, matching the metadata of their ingest to post-production.

Arri EI Map v1 5 RC

ARRI EI Map DCTLe (Ver 1.5) is a DaVinci Resolve DCTL that emulates ARRI’s native six-zone false-color overlay with pixel-perfect accuracy. Normally retailing at £99, ARRI EI Map DCTLe is now available for just £50 for one month only.

Gone are the days of squinting at scopes or guessing exposure. ARRI EI Map DCTLe paints every highlight, midtone, and shadow with intuitive color cues, so DOPs, camera assistants, and colorists can instantly verify clipping, mid-gray skin tones, or noise-floor hotspots—directly in the Resolve timeline. The result is faster on-set decision-making, consistent exposure across shots, and confidence that every frame sits exactly where it belongs.

True ARRI Log-C Compatibility: Supports LogC3 (Alexa Classic, Amira, GH series), LogC4-A35 (Alexa 35) and LogC4-A265 (Alexa 65), ensuring thresholds match in-camera false-color exactly.

Unified Exposure Index (160–6400): Select any EI from 160 to 6400 with a single “Unified EI” slider. For LogC4 users, an optional “Use Independent EI” mode locks to EI 400 for consistent highlight and shadow zones.

Six Precise False-Color Zones: Automatically buckets each pixel by its Log-C luminance into:

1.     Red (~1/3 stop below clipping)

2.     Yellow (~2/3 stop below clipping)

3.     Pink (~1 stop above 18% middle-gray)

4.     Green (18% middle-gray)

5.     Blue (edge of shadow detail)

6.     Purple (noise floor).

On-Screen Legend & Character Rendering: Toggle a full-screen, six-row color key with crisp 5×7 pixel alphanumeric characters; legend text (e.g., “1/3 STOP BELOW CLIPPING,” “NOISE FLOOR”) remains centered and perfectly legible at any resolution.

Legal-Range Clamping & Greyscale Mode: Optionally clamp input to 10-bit legal (64–940) before zone calculations, or render out-of-zone pixels as neutral gray for focused exposure analysis.

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