Contact-free, nondestructive and detail-accurate examination of a painting is crucial at the outset of any conservation project – whether for cleaning, restoration, forensics or authentication purposes. Stereo microscopes with their flexible arms and boom stands give the maneuverability required to navigate even very large paintings comfortably and in situ for restorers, art historians, archaeologists and experts from related fields. The naked eye might be able to inspect larger areas of damage or paint loss, but a stereo microscope with variable light sources is necessary to clearly visualize intricate details in three dimensions and at low magnifications – for example, fine-lined craquelure, intricate painting techniques and brushwork, or signatures that faded away over the centuries.
White Paper: Fast Structural and Compositional Analysis of Cross-section Samples from an 18th Century Oil Painting with "Shuttle & Find"
"We present the cross–section sample analysis of an oil painting on canvas. Correlative Light and Electron Microscopy (CLEM) is used for analyzing the cross–section samples
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When analyzing a painting for authentication, cleaning or restoration, begin your examination with a ZEISS Stemi 305. This versatile stereo microscope provides variable zoom positions, giving you an overview at low magnifications while enabling close analysis of the tiniest details. Variable light sources make these details visible in three dimensions – with a long working distance and great depth of field. Opt for the floor stand and your microscope can be positioned over the painting for maximum access and maneuverability.
Axiolab 5 helps you identify the crystalline materials found in most pigments. This polarization microscope simplifies analysis of the paint structure and allows accurate measurement of the thickness and uniformity of the layers. Tiny paint samples viewed at a magnification of 100x give precise readings that are accurate and reproducible. Tricky questions on refractive indices, cleavages, double refraction, extinction angles, optical path differences, and the number and angle of optical axes are answered quickly and reliably.
This scanning electron microscope offers higher magnification capabilities and higher resolution when compared to light microscopes. Equip your EVO with SmartEDX, an embedded EDX solution to carry out elemental analyses of pigments and reveal the structure of your paint sample at an atomic level.