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Amazon.com : PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR : Camera Lenses : Electronics
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S-M-C/Super Fish-Eye-Takumar 17mm F4 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database
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SMC Pentax-DA 10-17mm F3.5-4.5 Fish-Eye ED [IF] Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database
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Amazon.com : PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR : Camera Lenses : Electronics
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