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Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
![Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/816Cd3jEbFL.jpg)
Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
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Sigma 17-70mm F2.8-4 DC Macro HSM C Sony and Pentax mount lens review: Smaller, lighter and improved uniformity - DXOMARK
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