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Amazon.com : Pentax HD 31mmF1.8 Limited Black Limited Lens Wide-Angle Prime Lens [F1.8 Large Aperture Lens] [High-Performance HD Coating] [SP Coating] [Round-Shaped Diaphragm] [Machined Aluminum Body ] (20210) : Electronics
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Pentax HD Pentax-FA 31mm F1.8, 43mm F1.9 and 77mm F1.8 Limited Lens Officially Announced - Camera News at Cameraegg
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