The Pentax SMC DA 18-135mm f/35-56 ED AL (IF) DC WR Lens is a high-quality telephoto zoom lens that is designed for exclusive use with Pentax digital SLR cameras It offers a focal length that is equivalent (in 35mm format) from 275 to 207mm This wide coverage is ideal for a variety of telephoto applications - including portraiture - sports and scenery The image circle in DA-series lenses is designed to perfectly match the 235mm x 157mm size of the CCD used in Pentax digital SLRs to optimize camera performance This design also contributes to a drastic reduction in size - weight and production cost compared to 35mm-format counterparts with similar specifications Pentax DA (DA-Star) zoom lenses come equipped with the SDM System - which assures smoother - quieter auto-focusing operation by using a built-in supersonic motor Like all Pentax lenses - this lens is treated with smc coating for maximum light transmission - sharp definition - and high contrast images In addition - SP (Super Protective) coating made of a special fluoride compound has been applied to the front surface of the lens through the use of a unique evaporation process As a result - the lens offers excellent water and oil-repellent performance and makes for easier cleaning should the lens be accidentally smeared with fingerprints or cosmetics
Features: Quick, Quiet Autofocus Operation, Compact, Lightweight Design, Weather Resistant, 35mm Equivalent: 27.5-207mm, Extended 7x 18-135mm Zoom Range, Designed for Pentax Digital SLR Cameras, Aspherical Lens Elements, SP Coating Repels Dust, Water, & Grease, Fast Switching From Auto to Manual Focus
Focal Length: 18 to 135mm (35mm Equivalent: 27.5 to 207mm)
Maximum Aperture: f/3.5 to 5.6
Minimum Aperture: f/22 to 38
Lens Mount: Pentax K
Lens Format Coverage: APS-C
Angle of View: 76° to 11.9°
Minimum Focus Distance: 1.3' / 40 cm
Maximum Magnification: 0.24x
Optical Design: 13 Elements in 11 Groups
Diaphragm Blades: 7
Focus Type: Autofocus
Image Stabilization: No
Filter Size: 62 mm (Front)
Dimensions (ø x L): 2.9 x 3-inch / 7.37 x 7.62 cm
Length at Maximum Extension: 5.03-inch / 127.8 mm
Weight: 14.3 oz / 405 g
