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<blockquote data-quote="WhiteLight" data-source="post: 195213" data-attributes="member: 9556">Whiskeyman,There is nothing wrong with your lens.At 1:1 magnification the aperture varies from f/4.8 to f/52 (sometimes even f/57)at other magnification levels, the apertures will fall down till at infinity focus the apertures will be between f/2.8 to f/32.As the name implies the Nikkor is a macro lens with a min. focus distance of 0.31m resulting in a max. object magnification of 1:1 and a working distance of min. ~15cm. At 1:1 the max. aperture decreases to f/4.8 which is a quite typical characteristic for an IF (internal focusing) macro lens.Hope that takes the jitters away! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />I just rechecked this on my lens too &amp; that's how it behaves..</blockquote>

[QUOTE="WhiteLight, post: 195213, member: 9556"] Whiskeyman, There is nothing wrong with your lens. At 1:1 magnification the aperture varies from f/4.8 to f/52 (sometimes even f/57) at other magnification levels, the apertures will fall down till at infinity focus the apertures will be between f/2.8 to f/32. As the name implies the Nikkor is a macro lens with a min. focus distance of 0.31m resulting in a max. object magnification of 1:1 and a working distance of min. ~15cm. At 1:1 the max. aperture decreases to f/4.8 which is a quite typical characteristic for an IF (internal focusing) macro lens. Hope that takes the jitters away! :) I just rechecked this on my lens too & that's how it behaves.. [/QUOTE]

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