Thread: Help with Sigma lenses.
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Old 30-12-2008, 05:18 PM
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Octane (Humayun)
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Join Date: Dec 2005
Location: Canberra
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Craig,

Sounds like manual aperture stops. You don't need to worry about them -- they're for analog SLRs. Just leave it in A-mode and use your cameras controls to determine aperture.

Regards,
Humayun
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