Pentax 16-50mm f2.8 AL ( IF) SDM
"The ideal fast 'standard' zoom lens for any APS-C format Pentax camera!"
The PENTAX DA * 16-50mm F2.8 ED/AL (IF)
The PENTAX DA * 16-50mm F2.8 ED/AL (IF) wide angle zoom lens is designed for exclusive use with PENTAX digital SLR cameras and delivers the highest level of ultimate optical image quality. With aspherical elements, special optical-glass elements and original lens coatings, this lens is superior in terms of contrast, clarity and edge-to-edge sharpness.
The 16-50mm features tightly sealed, weather-resistant and dust-resistant construction to enhance durability for use in rain or dusty conditions. It also features the PENTAX-original Quick-Shift Focus System for instant switching to manual-focus operation and PENTAX-original SP (Super Protect) coating to repel dust, water and grease. A new SDM system has been incorporated for smoother, quieter autofocusing operation using a built-in supersonic motor.
Lens construction: 15 elements in 12 groups
Angle of view: 83°-31.5° (when used with DSLR camera body)
Minimum aperture: F22
Minimum focusing distance: 0.3m
Maximum magnification: 0.21X
Lens mount: PENTAX KAF mount
Aperture control: Automatic
Metering system: TTL open-aperture metering
Number of diaphragm blades: 9
Filter size: 77mm
Dimensions (diameter x length): 84 x 98.5mm Weight: 320g