Fig. 3From: Uncovering the Oppenheimer Siddur: using scientific analysis to reveal the production process of a medieval illuminated Hebrew manuscripta Imaging of the Oppenheimer Siddur using a modified PRISMS spectral imaging system at the Bodleian library. The image cube consists of 10 images captured with 10 filters between 400 and 880 nm; b and c show the PRISMS measured spectral reflectance (black circles) of two colour patches on a mini-Macbeth chart compared with the spectra measured with a spectrometer (blue curve)Back to article page