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Ricoh updates Pentax 31mm F1.8, 43mm F1.9 and 77mm F1.8 Limited lenses: Digital Photography Review
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Ricoh updates Pentax 31mm F1.8, 43mm F1.9 and 77mm F1.8 Limited lenses: Digital Photography Review
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Guest Review: Pentax SMC FA 31mm f1.8 Limited - phillipreeve.net
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