Very Large Lenses
In the past few days I've seen a few stories about a very special Canon lens, a 1200mm monster that weighs 36 pounds and costs 99 thousand dollars (that's not a typo). It was interesting, but not something I would have necessarily mentioned here.
Then, today, came another story about a truly monster lens, a 220 pound, 5200mm specimen, made by Canon, that "is capable of taking photographs of objects 18 to 32 miles away." No idea how much that one costs, but here's a page with full details, including the note that two small telescopes are included to aid with focusing!
Anyway, back to the first lens. It was a special order item, produced from 1993 until 2005; there were "more than 12 and less than 20" units ever made. B&H has more details and some photos taken with this lens. It's amazing how close something 2 miles away can seem when viewed through this amazing piece of glass.
To put things in perspective, my longest and heaviest lens is a Canon 100-400mm zoom that costs about 98,000 dollars less than the 1200mm. A typical point and shoot that advertises its telephoto capabilities is (35mm equiv) around 100 to 140mm. The mind boggles when considering 1200mm to 5200mm lenses; ignoring the logistics of such large lenses, they would sure make it easier to get those elusive bird close-ups!
Update: one key feature I wanted to mention is the close focus length. To take a photo with the 1200mm lens you must be at least 49 feet away from the subject; with the 5200mm lens the length of a football field is only 3/4 of the required distance!









Comments
Mike, I love the banner photo of Coronado Heights. that is awesome Man.
I enjoyed looking at all your photos, you have a real talent there.
Thanks for brightening up my day, can these photos be downloaded and used for desktop wallpaper?
The Smilemaker, jwa
Posted by: Smilemaker
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February 8, 2008 6:28 AM
Speaking of very large lenses. Popular Mechanics or one of the other dozen magazines I view, had a military lens that has a 10,000 pixel something. Whatever it was, it was like a microscope for outdoor use, much like an retired spy plan thing.
Wow.
Posted by: Smilemaker
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February 8, 2008 6:31 AM
In general, most of my photos are available on Flickr: http://flickr.com/photos/glowrocks/. The Coronado Heights sunset images are located here: http://flickr.com/search/?w=84569791%40N00&q=coronado+sunset+nov07&m=text
Posted by: glowrocks
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February 10, 2008 11:17 PM