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He uses a long focal length lense. :) Sigma APO 150 mm (very good lense and expensive).
the material you can see here: http://www.fotona...chas/2030/ :D
See equipo (equipment in Spanish).
The photos are one of the best I've ever seen - butterflies and birds and some odonata.

see this :D http://www.fotona...tos/69561/