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Amazon.com : HD PENTAX-DA☆11-18mmF2.8ED DC AW Ultra-wide-angle zoom lens 17-27.5mm (Equivalent to 35mm format) All Weather resistant Extra-sharp High-contrast images Free of flare and ghost images Smooth, quiet AF : Electronics
![Fish-Eye-Takumar 18mm F11 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database Fish-Eye-Takumar 18mm F11 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/lensreviews/data/19/Pentax_Fisheye_Takumar_18mm_F11.jpg)
Fish-Eye-Takumar 18mm F11 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database
![Amazon.com : HD PENTAX-DA☆11-18mmF2.8ED DC AW Ultra-wide-angle zoom lens 17-27.5mm (Equivalent to 35mm format) All Weather resistant Extra-sharp High-contrast images Free of flare and ghost images Smooth, quiet AF : Electronics Amazon.com : HD PENTAX-DA☆11-18mmF2.8ED DC AW Ultra-wide-angle zoom lens 17-27.5mm (Equivalent to 35mm format) All Weather resistant Extra-sharp High-contrast images Free of flare and ghost images Smooth, quiet AF : Electronics](https://m.media-amazon.com/images/I/61wfnEkPWrL._AC_UF894,1000_QL80_.jpg)