This truly is a Canon! Wow! Cold war era stuff for spying on the enemy.
Weight: 100kg (220 lbs) without stand.
Minimum Focusing Distance: 120 meters (Approx 393 feet!)
From a Canon Flyer:
"This is the only ultra-telephoto lens in the world capable of taking photographs of objects 18 to 32 miles away (30km to 52kms away). Having a focal length of 5200mm, Canon Mirror Lens 5200mm can obtain one hundred times as large an object image as that of a 50mm lens."
"For focusing this mounted or fixed lens on an extremely distant object, two aiming telescopes are set on the side of the lens barrel, and the entire lens is placed on a rigid stand which rotates smoothly..."
Weight: 100kg (220 lbs) without stand.
Minimum Focusing Distance: 120 meters (Approx 393 feet!)
From a Canon Flyer:
"This is the only ultra-telephoto lens in the world capable of taking photographs of objects 18 to 32 miles away (30km to 52kms away). Having a focal length of 5200mm, Canon Mirror Lens 5200mm can obtain one hundred times as large an object image as that of a 50mm lens."
"For focusing this mounted or fixed lens on an extremely distant object, two aiming telescopes are set on the side of the lens barrel, and the entire lens is placed on a rigid stand which rotates smoothly..."
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longest telephoto lens /
World's Biggest Telephoto Lens
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