Andrea Facco modified His Nikon D800 to create a astro-camera to shoot the milky way from several place in italy.
He changed the original anti-ir filter wiht a Baader filter and so he created his personal version of the Nikon D800.
He also searched a his version for the post-production using camera raw and photoshop for obtain more and more details from the milky way and other celestial objext in the night sky!
Source : studiofzero
