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Pentax smc DA 18-270mm F3.5-6.3 ED SDM vs Sigma 18-250mm F3.5-6.3 DC OS Macro HSM: What is the difference?
![SMC Pentax-DA 18-270mm F3.5-6.3 ED SDM Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database SMC Pentax-DA 18-270mm F3.5-6.3 ED SDM Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/lensreviews/data/43/PentaxDA18-270mm.jpg)
SMC Pentax-DA 18-270mm F3.5-6.3 ED SDM Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database
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Amazon.com : Pentax DA 18-250mm f/3.5-6.3 ED AL IF Lens for Pentax and Samsung Digital SLR Cameras : Camera Lenses : Camera & Photo
![Amazon.com : Pentax DA 18-250mm f/3.5-6.3 ED AL IF Lens for Pentax and Samsung Digital SLR Cameras : Camera Lenses : Camera & Photo Amazon.com : Pentax DA 18-250mm f/3.5-6.3 ED AL IF Lens for Pentax and Samsung Digital SLR Cameras : Camera Lenses : Camera & Photo](https://images-na.ssl-images-amazon.com/images/I/412mUcMYtKL._AC_.jpg)