This lens replaces the AF235 II (20-35mm f/3.5-4.5) in Tokina's quality middle line of AF series lenses. The AF193 is constructed with high refraction, low dispersion (HLD) glass and multicoated lens elements produced by Hoya Corporation, the world's largest manufacturer of optical glass. While using the same mechanical design as the AF235 II, the AF193 has barrels made from black poly carbonate to reduce the overall weight of the lens, making it more convenient for photographers to carry while traveling, hiking or engaged in other activities where encumbrance is an issue.

To fit Canon EOS, Minolta AF, and Nikon

Focal Length	19-35mm
Maximum Aperture	f/3.5-f/4.5
Minimum Aperture	f/22
Optical Construction	13 Elements / 11 Groups
Coatings	Multi-layer
Angle of View	98°40'-63°30'
Minimum Focus Distance	0.4m (1.3ft)
Focusing System	Internal Focusing
Zooming System	Rotary Type
Number of Diaphragm Blades	6
Filter Size	77mm
Maximum Outer Diameter	82mm (3.2")
Overal Length	80mm (3.0")
Weight	390g (14.6oz)
Accesories, optional	Dedicated Lens Hood (BH-774)

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