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Helmholtz – Kohlrausch effect

Projector brightness in ANSI lm, LED lm, CLO and Lux

This article discusses the main specs of modern projectors, including their dimensions, weight, noice, brightness, contrast, resolution, adjustments, audio, connectivity, rechargeable batteries, etc. This article also contains a video showing the basic pros & cons DLP vs LCD projectors.

LG mini projectors 2020 Review

This article discusses the ultra-portable LG PH30N LED projector, its main specs in comparison with LG PH30JG and AAXA P7, Helmholtz – Kohlrausch effect, prospects for phones with built in projector, etc. This article also contains a video showing the LG CineBeam PH30N LED projector with built in battery and wireless connection.

Best portable projector specs Overview

This article discusses the main specs of the ultra-portable projectors, including their connectivity, brightness and its dependence on the Helmholtz – Kohlrausch effect, native and ANSI contrast, dynamic iris, etc. This article also contains a video showing the projector contrast ratio comparison at theater lighting.

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