Eccomi da voi con i vari Exif:
1) canon 7d | sigma 10-20 a 16mm | f/8 | iso 100 | 119 secondi | hitech prostopper
2) canon 7d | sigma 10-20 a 10mm | f/8 | iso 100 | 119 secondi | hitech prostopper
3) canon 7d | canon 17-40 a 20mm | f/16 | iso 100 | 1/3 secondi | hitech GND 0.9
4) canon eos 7D | sigma 10-20 a 10mm | f/9 | ISO 100 | 240sec. | hitech prostopper
5) canon eos 7d | canon 70-200 f/4is a 70mm | f/8 | iso 100 | 0.6 sec. | unione di 2 foto a 70mm qui niente filtri.