Photo community for Plane Finder and Ship Finder
Added by glen denson
Hi. I use Canon 50D and telescope 1200mm with barlow lens 2x which gives me 2400mm. If you add a crop of 50D (1.6) it would be totally 3840mm :)
Most planes flew at FL310-400 and propeller engine at FL240 or FL250. Typical altitude for contrail photos.
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