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60mm f/2.8D micro lens - accessing f/2.8 on close subjects
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<blockquote data-quote="westmill" data-source="post: 55186" data-attributes="member: 9330"><p>Dont worry ! This is normal for macro lenses.</p><p>In efect, you are gaining close focus ability with in built etension ring. The lens group is moved forward away</p><p>from the sensor, allowing macro focus. I think you will find the red switch locks the focus distance.</p><p>When you turn this on, it helps the lens focus more quickly. It stops the lens from searching needlessly</p><p>throughout the full focus range. A lens with a short focus path will focus far more quickly.</p></blockquote><p></p>
[QUOTE="westmill, post: 55186, member: 9330"] Dont worry ! This is normal for macro lenses. In efect, you are gaining close focus ability with in built etension ring. The lens group is moved forward away from the sensor, allowing macro focus. I think you will find the red switch locks the focus distance. When you turn this on, it helps the lens focus more quickly. It stops the lens from searching needlessly throughout the full focus range. A lens with a short focus path will focus far more quickly. [/QUOTE]
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60mm f/2.8D micro lens - accessing f/2.8 on close subjects
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