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Ryan Lightbourn: Pentax 645 SMC-A 55mm f/2.8
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Ryan Lightbourn: Pentax 645 SMC-A 45mm f/2.8
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Ryan Lightbourn: Pentax 645 SMC-A 45mm f/2.8
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Ryan Lightbourn: Pentax 645 SMC-A 120mm f/4 Macro
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Ryan Lightbourn: Pentax 645 SMC-A 120mm f/4 Macro
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Ryan Lightbourn: Pentax 645 SMC-A 55mm f/2.8