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Exposure with a Pan Cinor f 3.4, 25 to 100 mm Zoom


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#1 Charles MacDonald

Charles MacDonald
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  • Stittsville Ontario Canada

Posted 12 October 2006 - 08:26 PM

The recent discusion on the pan CInor lenes spurred me to buy one myself:

http://cgi.ebay.ca/w...em=250029075558

It arrived today, and the focus is more than a bit rough, in fact I think the ring is not engaged, but assuming I can get over that little bump, I am wondering what happens with exposure on these guys.

The lens front says it is a "Pan CINOR 1:3.4 F=25 a 100" (a four to one zoom) the diaphram is labeled 2.4, 2.8, 4, 5.6,8,11,16,22 - So I am guessing that the 3.4 is the "effective" f-stop?

Looking from the back of the lens their is a small black dot in the center, which I assume is where the light is syphoned off for the finder? So their sould be an allowance for the lost light, juts like you would need for a bolex.

The dogleg finder did show an image, so I am at least partway to geting my 60 bucks us worth out of it. :blink:
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