Author 'Boucher Marc dit de Meilh' (Id 124362 ) : Original photograph of the dragonfly Sympetrum common. It was taken on the set of Bourgoin-Jallieu towards the pond Rosiere. Glade facing south, relatively humid. The photo is taken in the shade trees that are around in diving cons bottom, hence the green background of the image. Focal; F/22, exposure time 1 / 125 th, Iso / 200, clearing more 0. 7 ... Sigma DG tele apo macro 70-300 mm more Sony Alpha SLR 500. Marc Boucher said Meillan.