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Have you ever seen/own/used this weird rokkor lens?
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PostPosted: Sun Sep 26, 2010 1:35 am    Post subject: Have you ever seen/own/used this weird rokkor lens? Reply with quote

i was just inputing rokkor lenses into lens database here and among them i came across this weird one...
it's 40-80mm 2.8 zoom




what the heck is that lever for?


PostPosted: Sun Sep 26, 2010 1:47 am    Post subject: Reply with quote

That's one of the wild and rare ones. I've never had it. The lever is to adjust the zoom.


PostPosted: Sun Sep 26, 2010 2:02 am    Post subject: Reply with quote

More can be seen here: http://www.trenholm.org/hmmerk/HMbook12.html#anchor872406

And this said by David Kilpatrick:
Quote:
"The Rokkor was one of the first two truly high quality midrange zooms ever designed. The other, launched in the year, was Canon's first 35-70mm f2.8. The 'throttle control' zoom (like a vintage car dashboard advance-retard lever... or your lawn mower...) was also unique because the internal zooming ran in flat tracks instead of a helicoid/tube. This allowed the groups to move independently of each other with corrections for every focal length, not just an optimised correction. As a result, this lens has perhaps the highest quality of any similar zoom made until very recently. It is a collector's item, originally cost far more than the SRT303b, and should be treated as such. Expect it to sell only to a serious collector, no-one else would appreciate it. It dates, I think, from 1974 as I was still working at a newspaper when I got that lens to use for a while on the new XE-1."


PostPosted: Sun Sep 26, 2010 12:17 pm    Post subject: Reply with quote

walter g wrote:
The lever is to adjust the zoom.


yeah,after inputing into lenses database for 6h at 3am i wasn't thinking clearest ;o))) it only dawned on me when i turned off my laptop and went to bed


PostPosted: Sun Sep 26, 2010 11:36 pm    Post subject: Reply with quote

Interesting! I'd love to see some samples, I wonder if the lever and internal construction paid off.


PostPosted: Mon Sep 27, 2010 7:35 am    Post subject: Reply with quote

Doesn't look as easy to use. I don't remember me to have ever seen the lens before, however it is from a time that I was quite active as amateur photographer and I purchased my first XE-1.