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Nikon DSLR Cameras
D5100
Please explain part of the description on this lens
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<blockquote data-quote="§am" data-source="post: 76422" data-attributes="member: 9187"><p>IF = Internal Focusing</p><p>This allows the internal elements to move slightly to shorten the lens' actual focal length as you focus closer</p><p></p><p>ED = Extra-low Dispersion Glass</p><p>ED glass helps eliminate secondary chromatic aberration (green-magenta colour firnges)</p><p></p><p>G = Gelded</p><p>No aperture ring so no way you can set the aperture on a manual focus camera</p><p></p><p>For fuller explanations of all markings have a look here:</p><p><a href="http://www.nikonusa.com/Learn-And-Explore/Nikon-Camera-Technology/NIKKOR-Photography-Lenses.page" target="_blank">Camera Lenses Explained | NIKKOR Lens Technology for Nikon Camera</a></p></blockquote><p></p>
[QUOTE="§am, post: 76422, member: 9187"] IF = Internal Focusing This allows the internal elements to move slightly to shorten the lens' actual focal length as you focus closer ED = Extra-low Dispersion Glass ED glass helps eliminate secondary chromatic aberration (green-magenta colour firnges) G = Gelded No aperture ring so no way you can set the aperture on a manual focus camera For fuller explanations of all markings have a look here: [url=http://www.nikonusa.com/Learn-And-Explore/Nikon-Camera-Technology/NIKKOR-Photography-Lenses.page]Camera Lenses Explained | NIKKOR Lens Technology for Nikon Camera[/url] [/QUOTE]
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Nikon DSLR Cameras
D5100
Please explain part of the description on this lens
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