The HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW is a super-telezoom lens for Pentax K-mount. Optically, it features extra-low dispersion (ED) elements as well as HD, SP (Super Protect), and Bright Aero coatings. It is weather sealed and supports quick shifts.
See also Pentax (lens)
External links Product specifications on official page Pentax Story series part about the D FA 150-450mm