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03-12-2010, 10:48 AM   #1
Pentaxian




Join Date: Feb 2010
Location: Blunsdon,Wiltshire, UK
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Sigma 400mm APO Tele Macro

I have just purchased a Sigma 400mm APO Tele Macro lens from ebay.It's boxed with everything except for the user guide.Does anyone on the forum have one they could copy and email me please or failing that explain the focus limit switch.on the front. Thanks

03-12-2010, 11:34 AM   #2
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Join Date: Feb 2009
Location: Southeast Wisconsin
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Dont have the lens, but a focus limiter will allow you choose the focus range. That way lenses with a long focus throw won't go through the entire range when trying to achieve focus. Macro lenses usually have them.
03-12-2010, 11:48 AM   #3
Pentaxian




Join Date: Feb 2010
Location: Blunsdon,Wiltshire, UK
Posts: 898
Original Poster
Thanks for that .
I thought that's what it did .
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