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General Photography
Macro
Extreme Macro setup 200mm f/4 + 50mm f/1.4
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<blockquote data-quote="Fred Kingston_RIP" data-source="post: 576348" data-attributes="member: 10742"><p>I can confirm that my 50mm 1.8D has a static diaphragm... i.e., stays at a dialed F-stop... </p><p></p><p>The Extension tubes do NOT affect the exposure because there is NO glass... they're just empty tubes that are different sizes.... You're method of connecting the 50mm to the 200mm, even wide open introduces at least 1-stop+ of light reduction... </p><p></p><p>Not to say the least that an extension tube is only a fraction of what you'd pay for another lens...</p></blockquote><p></p>
[QUOTE="Fred Kingston_RIP, post: 576348, member: 10742"] I can confirm that my 50mm 1.8D has a static diaphragm... i.e., stays at a dialed F-stop... The Extension tubes do NOT affect the exposure because there is NO glass... they're just empty tubes that are different sizes.... You're method of connecting the 50mm to the 200mm, even wide open introduces at least 1-stop+ of light reduction... Not to say the least that an extension tube is only a fraction of what you'd pay for another lens... [/QUOTE]
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General Photography
Macro
Extreme Macro setup 200mm f/4 + 50mm f/1.4
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