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Extension tube magnification.

Started Sep 10, 2006 | Discussions thread
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spaceguy1 Regular Member • Posts: 254
Extension tube magnification.

I'm planning to get an extension tube (either the 3 set or uniplus 25mm). But I don't know how to determine it's magnification with my Tamron 90 1:1. What would the mag. be with the 25mm tube? If anyone could help me sort this out, it would be really great. Thank you!
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  • SpaceGuyOne

KM 5D and a handful of lenses

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