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01-03-2009, 08:08 PM   #1
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Interesting observation........

With all of my Pentax made lenses, I have to turn the focus ring COUNTER clockwise to close focus.
With my NON Pentax made lenses, I have to turn CLOCKWISE.
Dug out my old Minolta equipment...............Minolta made lenses are clockwise.
Can't speak about Canikon as it's been many years since I've held either in my hands, but, is this some kind of industry standard???
Is Pentax the "radicals" of the group???

01-03-2009, 08:13 PM   #2
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Aren't we always. If our stuff looked and worked like theirs did, then our pictures would come out the same. It's good to be different (or better!)
01-03-2009, 10:53 PM   #3
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I have 2 Sigmas. The zoom rings go the opposite way from each other. Not sure about focus rings.
01-03-2009, 11:13 PM   #4
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Infinity on the left

Karen Nakamura says of Takumar lenses, on her wonderful website (an academic approach to Street Shooting), that Pentax focuses with infinity on the left (as does Nikon), but most other brands (Canon, Zeiss, Leica) focus infinity on the right.

Visit her website here: - Photoethnography Equipment
(quoting or copying and pasting is forbidden).

Click Spotmatic II in the left frame and scroll down to the Super-Takumars link - or just spend a few hours grazing this amazing information resource on classic film cameras.

01-04-2009, 08:19 AM   #5
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One of the reasons for why I tend to eschew third party glass.
01-04-2009, 09:57 AM   #6
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Since you get immediate feedback when focusing, I have always been more concerned about the lens IQ then the direction of the rings. I find it more annoying when some third party MF lenses have backward apeture rings, since feedback is not present. I usually count the clicks.


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