Sigma 150-600/5.0-6.3 DG OS HSM Sport: Solar Eclipse in Poland 20.03.2015 Cloud Play

My blog about this lens where you will find a photo which I used as a thumbnail (solar eclipse covering 74% of the solar disk): http://canonmacrophotography.blogspot.com/2015/03/sigma-150-60050-63-os-sport-sample.htmlCan