===== Pentax-A* SMC 200mm f/2.8 ED ===== {{ :lens:pentax-astar_smc_200mm_f2.8_ed.png?350|}} ==== Summary ==== The SMC Pentax-A* 200mm f/2.8 ED is a premium manual-focus telephoto prime introduced in 1984 and produced until 1998, designed for full-frame K-mount film cameras. As part of the elite A* (Star) series, it features two Extra-low Dispersion (ED) elements for superior correction of chromatic aberration and delivers exceptional sharpness and contrast—even wide open. It uses a 6-element - 6-group optical design, Super Multi-Coating (SMC), and an 8-blade automatic diaphragm. The lens stops down to f/32, focuses as close as 1.8 meters, and provides 0.14× magnification. It uses a 77mm filter thread, weighs 850g, and measures 91 × 138mm. It includes a built-in sliding hood, plastic clip-on cap, and was originally paired with the HF-185 hard case or S90-160 soft case. The aperture ring includes an A setting for full automation on compatible bodies. ==== Tech Specs ==== | Manufacturer |Pentax| | Series |A* Series Prime| | Model |SMC| | Focal Length |200mm| | Max Aperture |f/2.8 ED| | Min Aperture |f/32| | Format |Full-Frame| | Image Circle |-| | Minimum Focus |180cm| | Focus Rotation |°| | Iris Blades |8| | Optical Design |6/6| | Squeeze |none| | Front Diameter |91mm| | Filter Thread |77mm| | Focus/Zoom Rod |none| | Native Mount |Pentax K| | Data Protocol |none| | Length |138mm| | Weight |850g| | Body Telescope |-| | Body Material |-| | Focus Drive |-| | Iris Drive |-| | Zoom Drive |-| ==== History ==== Country of Origin: \\ Release Date: 1984 \\ Launch Price: \\ Design Revisions: \\ ==== Service ==== Service Manual: (Insert link to manual here) \\ \\ Full CLA: **TBD hrs.**\\ \\ ==== Cine-Mod ==== Focus Ring O.D.: -\\ Zoom Ring O.D.: -\\ Iris Ring O.D.: -\\ De-click Y/N: -\\ Additional Notes: \\ ==== Notes ==== ==== Media ====