Product Description
Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Ultra Telephoto Zoom Lens for Pentax Digital DSLR Camera. The Sigma APO 50-500mm F4. 3 DG OS HSM is a 10x high zoom ratio ultra telephoto zoom lens incorporating Sigma's original Optical Stabilizer function. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. This lens covers a wide range of focal lengths from 50mm to 500mm ultra telephoto.
Shipping Weight: 2 pounds
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