After each shot I turn the violin 30 degrees and take another picture. I have to turn the violin to shoot it in 12 different angles. It's all about precision'

What does it take to photograph the qualities of a Stradivari violin? Photographer Søren Jonesen takes us through the process of capturing the Stradivari 'Yoldi–Moldenhauer' violin, 1714 in 2013. The instrument is insured for $15m.

Watch: David Garrett tries out Stradivari and Guarneri ‘del Gesù’ violins