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03-04-2009, 05:55 AM   #1
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kalimar 60-300mm f3.9 ka mount ??

mornin' all......
does anyone have any knowledge/experience
with a kalimar 60-300mm f3.9 ka mount???
another obscure lens....................

03-04-2009, 09:14 AM   #2
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Tamron made a 60-300mm f/3.8-5.4 SP Telephoto Zoom, I wonder if the Kalimar is a re-badged Tamron?
03-10-2009, 02:55 PM   #3
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I have a Kalimar 60-300 f4~5.6. I dunno who made it, but as far as I can tell, it performs optically as well as the Tamron 70-300 f4-5.6 LD Di AF lens, although the Kalimar is manual focus and its macro is only 1:3. I bought it back in the early 80s for my K1000. I had to cut away part of the "flange" so that it could fit on my K200d. It works in spot meter mode and seems to meter correctly with it set on "A" and my k200d set to P, Tv, or Av.

I have to add that even though the lens says its a 4-5.6 aperture, it seems to act like a straight f4 from 60 through 300. That is, when in Av mode and lens ring on A, I can set the aperture to 4 at all focal lengths with my K200d's e-dial.

Now, I can't say that your f3.9 is the same or not...

Last edited by drjaxon; 03-10-2009 at 03:01 PM.
03-10-2009, 03:09 PM   #4
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QuoteOriginally posted by drjaxon Quote
I have to add that even though the lens says its a 4-5.6 aperture, it seems to act like a straight f4 from 60 through 300. That is, when in Av mode and lens ring on A, I can set the aperture to 4 at all focal lengths with my K200d's e-dial.
But that does not mean the aperture remains at constant f/4.

Now, aim the lens to a uniformly-lit blank wall, set the camera to Av mode and the lens at f/4. Zoom from 60 to 300. Does the shutter speed change?

03-11-2009, 12:29 PM   #5
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Ah!... Indeed. Both the Kalimar and the Tamron do decrease shutter speed by 2X as the zoom approached 300, as my Tokina ATX 100-300 f4 not only is 2X faster at 100mm, but remains at that same shutter speed all the way to 300mm. IOW the Tokina does not get darker as it zooms, as the Kalimar and Tamron do.

Is the Kalimar 60-300 f3.9 a "fixed" 3.9?
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