The smc PENTAX DA Star 16-50mm F2.8 ED/AL (IF) is a high-performance, wide-angle zoom lens developed specifically for PENTAX digital SLR cameras. It is a good choice for shooting landscapes, portraiture, and much more else.

The lens is said to be great in terms of contrast, clarity and edge-to-edge sharpness. Its optical design includes three aspherical elements and two extra low dispersion glass elements. They successfully compensate for chromatic and spherical aberration, producing images with minimum artifact.

The 16-55mm f/2.8 incorporates SDM focus system, which means that a built-in supersonic motor is used. This results in a smoother, faster and quieter autofocus operation necessary for many genres of photography.

The lens also offers you the possibility to focus manually. In addition, Pentax-original Quick-Shift Focus System allows you easily and instantly switch from autofocus to manual focus.

Weather-resistant and dust-resistant construction of this lens enhance durability in rainy or dusty conditions by repelling dust, water and grease from the surface to keep your lens clean and your image quality at its peak. This makes it a perfect companion for the weather-resistant Pentax DSLR bodies.

PENTAX-DA 16-50mm f/2.8 ED AL[IF]SDM Lens – Specifications:

• Focal Length: 16-50mm
• Focal Length Equivalent: 24.5mm - 76.5mm
• Maximum Aperture: F/2.8
• Minimum Aperture: F/22
• Lens Construction: 15 Elements In 12 Groups
• Angle of View: 83 To 31.5 Degrees
• 9 Diaphragm Blades:
• TTL Open-Aperture Metering System
• Minimum Focusing Distance: 0.3 Meters
• Maximum Magnification: 0.21x
• Filter Size: 77mm
• SP (Super Protect) Coating
• Corresponding AF Mounts: Pentax KAF2
• Weight: 19.9 Ounces (Without Hood)

According to pentaximaging.com.

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This entry was posted on Friday, November 6th, 2009 at 8:53 am and is filed under Lenses, Pentax Lenses. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.