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"Mike Foster": 20mm + 36mm extension tubes on Super Macro Takumar 50mm
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"Mike Foster": 12mm + 20mm Extension tubes on Super Macro Takumar 50mm
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"Mike Foster": 36mm Extension on Super Macro Takumar 50mm
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"Mike Foster": 20mm Extension on Super Macro Takumar 50mm
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"Mike Foster": 12mm Extension on 50mm Super Macro Takumar.
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"Mike Foster": Bare 50mm Super Macro Takumar Lens 1:2 Mag