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MINT ASAHI SMC Pentax-M 50mm f/4 MACRO Prime Lens for Pentax PK - ULTRA SHARP - Made in Japan : Electronics - Amazon.com
Amazon.com : Pentax HD PENTAX-D FA50mmF1.4 SDM AW Single-focus standard lens New-generation, Star-series lens Extra-sharp, high-contrast images Free of flare and ghost images, Black : Electronics