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Less than 1cm thick, Maximum aperture of f/2.8, Equivalent to 61mm in 35mm format, Pentax Super Protect (SP) coating, 2-year warranty

Fast maximum aperture of F/2.8, life-size macro photography, SP (Super Protect) coating, Quick-Shift Focus system, 2 year warranty

WR Weather-resistant design, Rounded aperture blades, Quick-Shift focus, PENTAX SP (Super Protect) coating, Durable aluminum housing, 2 year warranty

Wide-angle lens, Compact and lightweight, High-grade aluminum construction, Ideal for wide-angle applications, 2 year warranty

Rounded diaphragm blades, Water and dust resistant sealing, Quick-Shift Focus and SDM, New Aero Bright coating, 2 year warranty

15 elements in 12 groups, Minimum Focus 0.30m, Equivalent to 24-54mm, 77mm diameter, 2 year warranty,

11 groups 13 elements, Minimum Focus 0.3m (1 ft.), Equivalent to 18-36mm, 77mm diameter, 2 Year Warranty.

18 elements in 14 groups, Minimum Focus 1.0m, Equivalent to 75-202.5mm, 67mm diameter, 2 Year Warranty.

Equivalent to 307mm (35mm), Special optical glass elements, Extra-smooth, super-quiet autofocus, SP (Super Protect) coating, 2 Year Warraty.