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04-12-2011, 03:48 AM   #1
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Join Date: Jan 2011
Location: San Francisco
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Pentax DA L 55-300 sticky turning

Bought a grey market at Adorama about a month slow real is a bit sticky, not smooth. More a nuisance than damaging really--but I've never experienced a lens that did this.

Anyone else experience this w/ the DA L 55-300m; and have a cure? Can you silicon or oil a lens to make it turn smoother?
Hate to return it, I love the pictures it takes.

thanks as always

04-12-2011, 10:07 AM   #2
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I've just wriiten about my DA 55 - 300mm totally jamming up - if the focus mechanism is really slow i.e. compared to another 55- 300mm lens, then take it back.
04-12-2011, 10:14 AM   #3
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Join Date: May 2009
Location: Twin Cities, MN
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The 55-300mm is generally a slow focusing lens. Having owned both I did notice the L version is not quite as smooth as the standard - perhaps something to do with the lack of quick shift?

Also, have to ask the basic question - you are setting the camera to MF via switch before attempting manual focus, correct? If not, then you may not be damaging the lens, but likely are damaging the camera's screw drive.
04-13-2011, 01:30 AM   #4
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Original Poster
I usually manual focus...but even off the camera, just hand held, its tight. It works fine if I'm giving a decent or medium twist but trying to inch along it just grabs in a few spots...shame b/c it takes such great shots.


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