With ultra-to medium-telephoto coverage, this versatile lens can be used in a wide variety of applications including landscape, snapshots and portraits. The tightly sealed, weather-resistant and dust-resistant construction enhances durability for use in both rainy and dusty conditions, making it a perfect companion for the weather-resistant PENTAX DSLR bodies. The SDM focus system incorporated in this lens results in a smoother, quieter autofocus operation using a built-in supersonic motor. Aspherical elements, extra low dispersion glass and PENTAX original lens coatings make this lens superior in contrast, clarity and edge-to edge sharpness.
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Lens Mount | PENTAX KAF3 mount |
Metering System | TTL open-aperture metering |
Focal Length | 83º to 31.5º |
Min. Aperture (f) | F22 |
Min. Focusing Distance | 0.30m |
Max. Magnification | 0.21X |
Filter Size | 77mm |
Diameter & Length (mm) | 84mm x 98.5mm (3.3 |
Diaphragm control | Automatic |
Number of aperture blades | 9 |
Lens construction | 15 elements in 12 groups |
Model No. | 21650 |
Weight | 565g (19.9 oz.) w/o hood 600g (21.2 oz.) w/hood |