December 2025

Portrait Displays Upgrades Calman

Portrait Displays’ Calman now includes support for the CIE 2015 2‑degree and 10‑degree color-matching functions. The new observers sit alongside Calman’s existing options — CIE 1931 2°, CIE 1964 10°, Judd–Vos, CIE 2006 (CIE 170‑1) 2° and Csuti–Schanda modified CMFs — giving color professionals direct access to the most recent CIE cone‑fundamental‑based observer model. The CIE 1931 2° Standard Observer remains the formal basis of most video and cinema standards, but it was derived from a smaller sample size using broad‑spectrum primaries and small fields of view. Today’s OLED, QD‑OLED, QLED and MiniLED LCD displays and laser‑based projectors often use narrow‑band primaries and wide color gamuts where 1931‑based predictions can diverge from...more