Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC SMC DA WR

Lens Reviews / Pentax Lenses i Lab tested
Lens Specifications
Name Pentax 18-135mm ƒ/3.5-5.6 ED AL [IF] DC WR SMC DA
Image Circle APS-C
Type Standard Zoom
Focal Length 18 - 135mm
APS Equivalent 27.5 - 207mm
Max Aperture ƒ/3.5 - 5.6
Min Aperture ƒ/22 - 40
Diaphragm Blades 7 (rounded)
Lens Construction 13 elements in 11 groups, including 1 ED ands 2 aspherical elements
Diagonal Angle of View(Based on image circle) 76 to 11.9 degrees
Focus Details Internal with "Quick Shift" AF/MF mechanism and DC motor
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.4m / 1.3 ft.
Magnification Ratio 0.24x / 1:4.2
Filter Size 62mm
Dimensions(Length x Diameter) 76mm x 73mm / 3.0 in. x 2.9 in.
Weight 405g / 14.3 oz
Notes Weather-resistant. Included Accessories: Lens Hood
Typical Online Price US$530 (Avail. October 2010)