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Amazon.com : Pentax HD 31mmF1.8 Limited Silver Limited Lens Wide-Angle Prime Lens [F1.8 Large Aperture Lens] [High-Performance HD Coating] [SP Coating] [Round-Shaped Diaphragm] [Machined Aluminum Body ] (20220) : Electronics
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HD PENTAX-FA 31mmF1.8 Limited / Limited / Wide-Angle Lenses / K-mount Lenses / Products | RICOH IMAGING
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Amazon.com : Pentax 31mm F/1.8 FA Limited Lens for Pentax and Samsung SLR Cameras : Slr Digital Cameras : Electronics
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HD PENTAX-FA 31mmF1.8 Limited / Limited / Wide-Angle Lenses / K-mount Lenses / Products | RICOH IMAGING
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Comparison: Pentax FA 31mm f1.8 Limited vs. Pentax DA 18-55mm f3.5-5.6 @ 31mm – Scott's Photography Banzai
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