Slains Castle

by pakman

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The Tamron 70-300mm f/4-5.6 Di LD Macro, though touted as a macro lens, is nowhere near a true macro lens. It has a maximum magnification of 0.25X or reproduction ratio of 1:4. With a 25mm extension tube you can increase the MM to about 0.4 or 1:2.5. Extension tubes are much more effective with shorter lenses than longer ones. A typical 35mm lens that has a ...

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