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The lens that focuses itself

LenShepherd 10 3.6k United Kingdom
26 Apr 2009 10:27PM
Two prime lenses of this type made it into production about 25-30 years ago - an 80mm f2.8 and a 200mm f3.5 for the "AF" version of the F3.

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cameracat 14 8.6k 61 Norfolk Island
27 Apr 2009 1:35AM
Awesome, Nikon ahead of the game back then too....Wink
cambirder 14 7.2k England
27 Apr 2009 3:14PM

Quote:Awesome, Nikon ahead of the game back then too..

I don't think so, I think Pentax were the first into the market with AF lenses.

I'm glad things have moved on a bit, I remember those clonking great big Canon FD auto focus lenses . Like having a normal lens with a small brick attached.
spaceman 14 5.3k 3 Wales
27 Apr 2009 5:57PM
Ah yes, the calamitous Canon T80. One of the shortest-lived cameras ever.
ElSid 10 8 United Kingdom
28 Apr 2009 3:13PM

Quote:Ah yes, the calamitous Canon T80. One of the shortest-lived cameras ever.

I have one of those... and it still works despite being more than a bit on the slow side.

One advantage the T80 has over modern AF cameras is the provision of a split image range-finder.
LenShepherd 10 3.6k United Kingdom
28 Apr 2009 8:31PM
If we are going to argue about who did what when the lens illustrated on the OP was demonstrated at Photokina nearly 40 years ago in 1971.
It's size, weight and slow AF prevented it reaching the world market.
It was another 12 years in April 1983 before Nikon introduced a more compact version of the 80mm. It took only 0.6 seconds to focus from infinity to it's minimum focus of 1 meter - not bad even by today's AF speeds.
Other manufacturers, including Olympus, introduced early AF lenses in the early 1980's and Nikon may well have been beaten for an early production lens.
The 1971 working prototype is probably the first known AF lens for an interchangeable lens SLR.

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