Canon 1200mm f5.6: $180,000
B&H Photo has this lens on sale right now for $180,000. This is the longest fixed telephoto lens that Canon has ever made. I’m going to get my hands on this monster one of these days and take it for a test drive. You better have an armored car to drive it around though.
A B&H Photo rep quoted Canon in saying that it took a year to grow the lenses and crystal inside of this lens. The CIA bought one and Sports Illustrated also made the dive
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Just know that Uncle Sam is keeping his eye on you, and probably using this lens to watch you take a shower.
Source: The Phoblographer