Tips

Review: Nikon D810A (Jan 2016)

Nikon D810A Images from Chile (Jan 2015)
official testing

Lecture at CEDIC 2013 in Linz/Austria
First light at Prompt7/Chart32 in Chile

Review: SBIG STX-16803 (2010)

Lecture at CEDIC '09 - April 03-05, 2009 in Linz/Austria
Extreme Astrophotography - How Amateurs compete with the Pro's