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Amazon.com : Sigma 17-50mm f/2.8 Ex Dc Hsm Lens for Pentax DSLR Camera : Camera Lenses : Electronics
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Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Pentax Digital DSLR Camera : Camera Lenses : Electronics
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Amazon.com : Sigma 17-50mm f/2.8 Ex Dc Hsm Lens for Pentax DSLR Camera : Camera Lenses : Electronics
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Sigma 17-50mm f/2.8 EX DC HSM K Mount Autofocus Lens for Pentax APS-C Sensor DSLR {77} at KEH Camera
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Sigma 17-50mm f/2.8 EX DC HSM K Mount Autofocus Lens for Pentax APS-C Sensor DSLR {77} at KEH Camera
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Sigma 17-50mm f/2.8 EX DC HSM K Mount Autofocus Lens for Pentax APS-C Sensor DSLR {77} at KEH Camera
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