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General Photography
Macro
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<blockquote data-quote="aroy" data-source="post: 439385" data-attributes="member: 16090"><p>Stacked extension tubes was extremely popular at one time. The magnification keeps increasing and the light keeps falling off, so you need a pretty powerful light for extreme macro.</p><p></p><p>My 105mm F2.8 AIS is basically a 0.5x macro. With the supplied dedicated extension tube it become 1.15x. There are two sets of markings on the barrel showing the magnification factor and the effective f stop, one set with the tube and a second one without.</p></blockquote><p></p>
[QUOTE="aroy, post: 439385, member: 16090"] Stacked extension tubes was extremely popular at one time. The magnification keeps increasing and the light keeps falling off, so you need a pretty powerful light for extreme macro. My 105mm F2.8 AIS is basically a 0.5x macro. With the supplied dedicated extension tube it become 1.15x. There are two sets of markings on the barrel showing the magnification factor and the effective f stop, one set with the tube and a second one without. [/QUOTE]
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