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Nikon DSLR Cameras
D5500
Small button on lens mount
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<blockquote data-quote="Bikerbrent" data-source="post: 601395" data-attributes="member: 42081"><p>If your camera had a built-in autofocus motor (which the D5500 does not), then this is where the screw drive for the lens autofocus system would be. Since the D5500 does not have a autofocus motor built in to the body, then it does NOT have a screw drive to drive the lens autofocus mechanism and instead has the button you see at the 8 o'clock position. That is why only AF-S lens with a built-in autofocus motor, will autofocus on your D5500. By the way, if your camera did have a built-in autofocus motor, you would see what looks like a miniature straight bladed screwdriver blade at this position. This screwdriver blade would turn what looks like a screw head on the lens to drive the lens autofocus. This is why it is called a "screw drive mechanism."</p></blockquote><p></p>
[QUOTE="Bikerbrent, post: 601395, member: 42081"] If your camera had a built-in autofocus motor (which the D5500 does not), then this is where the screw drive for the lens autofocus system would be. Since the D5500 does not have a autofocus motor built in to the body, then it does NOT have a screw drive to drive the lens autofocus mechanism and instead has the button you see at the 8 o'clock position. That is why only AF-S lens with a built-in autofocus motor, will autofocus on your D5500. By the way, if your camera did have a built-in autofocus motor, you would see what looks like a miniature straight bladed screwdriver blade at this position. This screwdriver blade would turn what looks like a screw head on the lens to drive the lens autofocus. This is why it is called a "screw drive mechanism." [/QUOTE]
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Nikon DSLR Cameras
D5500
Small button on lens mount
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