
Figure 1
Antonino Giuffrè, Visitation between Saint Joseph and Saint Zachary, Taormina (Sicily). Technical photography documentation.

Figure 2
Antonino Giuffrè, Visitation between Saint Joseph and Saint Zachary, Taormina (Sicily). Areas of interest and points discussed.

Figure 3
Left, SpectroCam mounted on the GigaPan Epic Pro panoramic head. Centre, the spectral images acquired for the four sections of the painting. Right, the stitched, registered and calibrated 12 spectral images of the Visitation.

Figure 4
Visitation between Saint Joseph and Saint Zachary. Area A in Figure 2. Technical photographs: visible (VIS), ultraviolet fluorescence (UVF), ultraviolet reflected (UVR), infrared (IR), infrared false colour (IRFC) and infrared fluorescence (IRF).

Figure 5
Visitation between Saint Joseph and Saint Zachary. Area A in Figure 2. Left, spectral images at 578 nm and 620 nm. Right, MSI-12 spectra (dots) of Points 3, 4, 12 and 13 and FORS reference spectra of vermilion and cadmium red.

Figure 6
Visitation between Saint Joseph and Saint Zachary. Area B in Figure 2. Left, spectral images at 620 nm and 800 nm. Right, MSI-12 spectra (dots) of Points 1 and 2 and FORS spectrum of azurite.

Figure 7
Visitation between Saint Joseph and Saint Zachary. Area C in Figure 2. Left, spectral images at 532 nm and 800 nm. Right, MSI-12 spectra (dots) of Points 5 and 6 and FORS reference spectrum of malachite.

Figure 8
Visitation between Saint Joseph and Saint Zachary. Area D in Figure 2. Left, spectral images at 620 nm and 800 nm. Right, MSI-12 spectra (dots) of Points 8 and 9 and FORS reference spectrum of malachite.

Figure 9
Visitation between Saint Joseph and Saint Zachary. Area A in Figure 2. MSI-12 spectra (dots) of Points 7, 10 and 11 and FORS reference spectrum of yellow ochre.

Figure 10
Visitation between Saint Joseph and Saint Zachary. Area A in Figure 2. Technical photographs and spectral image at 800 nm.

Figure 11
Left, SpectroCam equipped with a macro lens (Nikon Nikkor Micro 105 mm f2.8 D). Right, spectral images at 578 nm and 620 nm of the postage stamp in the insert.

Figure 12
Postage stamp. Left, spectral images. Right, reconstructed reflectance spectrum (dots) of the ink (Point 1) and FORS reference spectrum of madder lake.

Figure 13
Left, SpectroCam coupled with the trinocular head of a compound microscope and a digital camera applied on one of the eyepieces. Right, SpectroCam mounted on one of the eyepieces of a stereomicroscope.

Figure 14
Anton Raphael Mengs, Madonna and Child. Courtesy of KODE, Art Museums of Bergen.

Figure 15
Madonna and Child, cross-section, Sampling Point 13 in Figure 14. SpectroCam mounted on a stereomicroscope, RGB image and spectral images.

Figure 16
MSI-12 spectra (dots) of the cross-section’s red ground, Point 1 in Figure 14, and of the postage stamp ink. FORS reference spectra of red ochre and madder lake.

Figure 17
SpectroCam mounted on a stereomicroscope. Detail of the postage stamp in Figure 11. RGB image and spectral images.

Figure 18
RGB and spectral images (objective 40X) of azurite slide mount.

Figure 19
Reconstructed reflectance spectra (dots) of particles of azurite and smalt on slide mounts and FORS reference spectra of azurite and smalt.

Figure 20
RGB and spectral images (objective 40X) of smalt slide mount.

Figure 21
RGB and spectral images (objective 40X) of malachite slide mount.

Figure 22
Reconstructed reflectance spectra (dots) of malachite, vermilion and chrome green particles and corresponding FORS reference spectra.

Figure 23
RGB and spectral images (objective 60X) of vermilion slide mount.
