Pentax 28-105mm f3.5-5.6 ED HD PENTAX-D FA DC WR
Despite its compact, highly maneuverable body, this versatile zoom lens is designed to accommodate the image circle of a large 35mm full-frame image sensor, thanks to the adoption of state-of-the-art optics and high-performance optical elements. When mounted on the PENTAX K-1 camera body, it delivers high-resolution imaging power, making it an ideal everyday-use lens for this new 35mm full-frame digital SLR camera.
Main Features
Standard zoom lens covering most frequently used ranges
This standard zoom lens accommodates the image circle of a 35mm full-frame image sensor, and covers focal lengths between 28mm wide angle and 105mm medium telephoto. By incorporating the latest optics and a number of high-performance optical elements, it retains a sufficient brightness level even at edges of the image field, while effectively compensating for various aberrations. It delivers high-resolution images by optimizing the imaging power of the PENTAX K-1’s approximately 36.4 effective megapixels. Its compact, lightweight body and excellent cost performance make this lens a perfect regular lens for the PENTAX K-1.
Excellent image description, complementing the full-frame digital SLR camera performance
In its 15-element, 11-group optics, this zoom lens incorporates two high-precision aspherical optical elements, one ED (Extra-low Dispersion) glass optical element and one anomalous-dispersion glass optical element, to deliver bright, sharp images with minimal chromatic and spherical aberrations. Since its optics is designed to assure ample resolving power for the large, high-pixel image sensor, it produces well-defined, fine-detailed images.
HD Coating to improve image description
This lens is treated with the high-grade, multi-layer HD Coating.* Compared with conventional multi-layer coatings, this PENTAX-original coating assures higher light transmittance and less reflection to deliver bright, high-contrast images that are free of flare and ghost images, even under demanding lighting conditions such as backlight. * HD stands for High Definition.
Quick-Shift Focus System
This PENTAX-developed system allows for flawless, delay-free switching from autofocus to manual-focus operation, after the subject is captured in focus by the camera’s AF system.
Weather-resistant construction
This lens features a dependable weather-resistant construction with eight sealing parts to effectively prevent the intrusion of water into the lens interior. Paired with a weather-resistant PENTAX digital SLR camera body, it creates a durable, dependable digital imaging system that performs superbly in demanding shooting settings — even in rain or mist, or in locations prone to water splashing or spray.
Other features
- SP (Super Protect) Coating applied to the front surface of the lens to effectively repel water and grease.
- Rounded diaphragm to produce a smooth, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources.
- Built-in DC motor to assure smooth, quiet, high-speed autofocus operation
Specifications
HD PENTAX-D FA 28-105mmF3.5-5.6ED DC WR | |
Focal Length | 28-105mm |
Equivalent to 43-161mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras) |
|
Maximum Aperture | F3.5-5.6 |
Minimum Aperture | F22-38 |
Lens Construction | 15 elements in 11 groups |
Angle of View (Diagonal) | 75-23.5° (when attached to PENTAX 35mm full-frame SLR cameras) |
53-15.5° (when attached to PENTAX APS-C size DSLR cameras) |
|
Mount Type | KAF3 |
Minimum Focusing Distance | 0.5m (1.64 ft.) |
Maximum Magnification | 0.22x |
Filter Diameter | 62mm |
Diaphragm Control | Fully automatic |
Number of Diaphragm Blades | 9 |
Rounded diaphragm (28mm: F3.5-6.3 105mm: F5.6-10) | |
Lens Hood | PH-RBC62 (included) |
Lens Cap | O-LC62 (included) |
Lens Case | S80-120 (optional) |
Maximum Diameter x Length | approx. 73.0mm x 86.5mm (approx. 2.9in. x 3.4in.) |
Weight | approx. 440g / with hood approx. 463g (approx. 15.5oz./ with hood approx. 16.3oz.) |
Included Accessories | Lens Hood PH-RBC62, Lens Cap O-LC62, Lens Mount Cap K |
Others | HD Coating |
SP (Super Protect) Coating | |
WR (Weather Resistant) | |
DC Motor | |
Quick-shift Focus System |
Note: Designs and specifications are subject to change without notice.
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