•Rear Gelatin filter holder •Lens focusing ring does not move during autofocus, making for easy handholding •Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses •Two pieces of Glass Mold and one-piece hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration •Minimum focusing distance of 11" (28 cm) at all focal lengths •As part of the DG line, this lens is optimized for digital cameras
Filter Size: Rear gelatin filter slot f/Stop Range: 4.5-22 Minimum Focus Distance: 11" (28 cm) Magnification: 1:7.1 Zoom/Focus Control: Two-touch Angle of View: 122 to 84.1 Degrees Groups/Elements: 12/16 Length: 3.9" (100mm) Maximum Diameter: 3.4" (87mm) Weight: 1.35 lb (615 g)
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