Description - Tamron 17-50mm F2.8 Di II XR Asp SP AF Lens for Pentax Digital Cameras
Tamron introducing special type of Di-II series lens which is optimized especially to meet the performance characteristics of Pentax digital cameras. Tamron 17-50mm f/2.8 Di II Sp lens fall in the super performance (SP) lens category. SP series lenses are Tamron's high performance lenses featuring outstanding specifications and superior performance compared to other Tamron lenses. SP lenses are also famous for their impressive and innovative design. The new Extra Refractive Index (XR) glass used in manufacturing which helps in overall compactness of the lens while maintaining the same aperture values as previous lens. The low dispersion (LD) glass elements reduces all types of aberrations and thus increases the sharpness of resulting images. To achieve the best image quality and high performance Tamron 17-50 mm f 2.8 LD Di II lens is constructed using two Hybrid Aspheric Lens elements. This lens is top-level in its class maintaining 0.9 feet (27 cm) of minimum focusing distance throughout its entire zoom range. Tamron's SP AF 17-50 mm offers a wider angle with autofocusing option. Due to its wide-angle focal length of 17mm, this lens is suitable for indoor photography. Special Internal Surface coatings to reduce the reflection of light inside the lens, thus eliminates ghosting and flare.
Features of Tamron 17-50 mm F/2.8 XR Di-ll Asp SP AF Lens for Pentax Digital |
| Fast Standard zoom lens with 17mm of focal length to offers wide angle of view than ordinary standard zoom lenses |
| Minimum focusing distance of 27cm (10.6 inches) through out the entire zoom range |
| Maximum Aperture of F/2.8-Tamron 17-50mm F2.8 XR Di-II SP lens |
| Spherical Aberration and image distortion have been eliminated using Hybrid Aspheric Lens elements |
| To produce images with greater detail and clarity, the lenses are coated with special Internal Surface Coatings |
| Two Hybrid Aspheric Lens |
| One element of LD glass-Tamron 17-50mm f/2.8 Di II Asp XR AF Lens |
| Three elements of XR (Extra Refractive Index) glass are used inside |
| SP (Super Performance) and Di-II (Digitally Integrated Design) which are exclusively designed for Pentax Digital Cameras |
| Lens is constructed in 13 groups and 16 elements |
| Provided with flower shaped hood and compatible mount for Pentax digital cameras |
Specifications/Tamron 17-50mm f2.8 AF Di-II LD Asp SP AF Lens (Pentax) |
|
| Company | Tamron_Corporation |
| Model Code | AF016P700 |
| Range-Focal_Length | 17 to 50 mm |
| Maximum Aperture Size | f/2.8 |
| Angle of View (Diagonal) | 79° to 31° |
| Lens Coatings | Internal_Surface_Coatings |
| Lens Type | Zoom |
| Minimum Aperture Size | f/32 |
| Compatible | Pentax Digital Cameras |
| Autofocus | Yes |
| Lens_Construction_(groups-elements) | 13-16 |
| MFD (Minimum Focusing Distance) | 0.27m (270 mm) |
| Blades_Diaphragm | 7 |
| Maximum Magnification Ratio | 1:4.5 at f=50mm |
| Angle of View (Horizontal) | 69° to 26° |
| Angle of View (Vertical) | 49° to 18° |
| Length-Tamron 17-50mm F2.8 XR | 8.38 cm (83.8 mm) |
| Maximum Diameter | 74 mm (3 inches) |
| Weight | 431 g |
| Filter Size | 67mm_(2.64 inches) |
| Category | Di-II (Digitally Integrated Design) |
| Class | SP (Super Performance) |
| Construction-Tamron 17-50mm XR Lens | Three XR (Extra Refractive Index) glass elements |
| Two Hybrid Aspheric Lens elements | |
| One LD (Low Dispersion) glass element | |
Kit Content
Tamron 17-50mm F2.8 XR Di-II LD AF
Asp SP Lens for Pentax Digital Cameras
Front and Back Lens Caps
Lens hood
Instruction manual
