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Opus Instruments’ infrared reflectography (IRR) cameras are used at the forefront of fine art analysis and research, in auction houses, universities, galleries and conservation studios worldwide.
Our CamerasBrowse a selection of IRR case studies to see what lies beneath the visible layers of paint.
View more case studiesInfrared Reflectography (IRR) is a non-invasive method of studying a painting by looking beneath the visible layers of paint, allowing you to examine the underdrawing along with any changes or pentimenti present in the work.
The modern InGaAs sensor technology used in Apollo and Osiris cameras allows us to build on these techniques with exceptionally high resolution images and improved sensitivity to reveal a painting’s secrets like never before.
The Apollo camera has fomented new research in art history and English literature
Ashmolean Museum, Oxford University
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