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Sigma DC 8-16mm 4.5-5.6 HSM Ultra-Wide Angle Zoom Lens For Pentax K Mount
Product Details
Sigma DC 8-16mm 4.5-5.6 HSM Ultra-Wide Angle Zoom Lens For Pentax K Mount. Good Pre-owned Condition. Serial number 10931972. The Sigma 8-16mm f/4.5-5.6 DC HSM lens is an ultra-wide-angle zoom lens explicitly engineered for DSLR cameras utilizing APS-C size image sensors. Key Technical Overview: - Focal Range: 8β16mm, which yields a highly expansive field of view equivalent to roughly 12β24mm on a full-frame camera. - Maximum Aperture: Variable f/4.5 to f/5.6 depending on how far you zoom. - Focusing Motor: Built-in Hyper-Sonic Motor (HSM) designed for fast and silent autofocus operation. Build Characteristics: It features a prominently bulbous, convex front glass element and a permanent, integrated petal-type lens hood to block stray light. Because of the protruding front element, standard screw-on filters cannot be attached directly to the lens thread. photography, wide angle
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.










