I bought myself one and took it out for a run to West Barwon Dam last New Moon. Sony A77, Samyang 16mm f/2.0, Milky Way and Large and Small Magellenic Clouds. 1st March I'm heading out to get a few on my Minolta 100-300 APO. Fingers crossed for no clouds!
https://www.flickr.com/photos/104199...2/12586230555/