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<blockquote data-quote="singlerosa_RIP" data-source="post: 559883" data-attributes="member: 15556">from Nikon's site.....Amount of light lost when using teleconverters<ul>
<li data-xf-list-type="ul">When using a 1.4x teleconverter, you lose 1 stop of light, so for example, when using an f/2.8 lens, the widest aperture you can use the lens at is f/4;</li>
<li data-xf-list-type="ul">A 1.7x teleconverter will lose 1½ stops of light, so with an f/2.8 NIKKOR lens, you will end up with an effective wide aperture of f/4.5;</li>
<li data-xf-list-type="ul">A 2x teleconverter loses 2 stops of light, so an f/2.8 lens drops down to a wide aperture of f/5.6.</li>
</ul></blockquote>

[QUOTE="singlerosa_RIP, post: 559883, member: 15556"] from Nikon's site.....[B] Amount of light lost when using teleconverters[/B] [COLOR=#454545][FONT=Arial] [LIST] [*]When using a 1.4x teleconverter, you lose 1 stop of light, so for example, when using an f/2.8 lens, the widest aperture you can use the lens at is f/4; [*]A 1.7x teleconverter will lose 1½ stops of light, so with an f/2.8 NIKKOR lens, you will end up with an effective wide aperture of f/4.5; [*]A 2x teleconverter loses 2 stops of light, so an f/2.8 lens drops down to a wide aperture of f/5.6. [/LIST] [/FONT][/COLOR] [/QUOTE]

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