SMC DA 18-135mm F/3.5-5.6 ED AL (IF) DC WR Lens Product Image
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SMC DA 18-135mm F/3.5-5.6 ED AL (IF) DC WR Lens


Product Description

The Pentax SMC DA 18-135mm F/3.5-5.6 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 27.5 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 23.5mm x 15.7mm 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.

Focal Length 18 to 135mm (35mm Equivalent Focal Length: 27.5 to 207mm)
Maximum Aperture f/3.5 to 5.6
Minimum Aperture f/22 to 38
Pinhole Diameter
Lens Mount Pentax K
Lens Mount
Lens Mount
Format Compatibility APS-C
Angle of View 76� to 11.9�
Area of Coverage
Tilt-Shift
Minimum Focus Distance 1.3' / 40 cm
Maximum Magnification 0.24x
Macro Reproduction Ratio
Optical Design 13 Elements in 11 Groups
Diaphragm Blades 7
Focus Type Autofocus
Image Stabilization None
Leaf Shutter
Tripod Collar
Filter Size 62 mm (Front)
Dimensions (� x L) 2.9 x 3" / 7.37 x 7.62 cm
Weight 14.3 oz / 405 g