- K-Mount Lens/Full-Frame Format
- Aperture Range: f/3.5-5.6 to f/22-32
- ED Glass Elements
- Super Protect & HD Multi-Layer Coatings
- Supersonic Direct-Drive AF Motor
- Quick-Shift Focus System
- Minimum Focus Distance: 1.64'
- Dust- and Weather-Resistant Design
- 9-Blade Rounded Diaphragm
Versatile, relatively compact, and compatible with full-frame K-mount DSLRs, the HD PENTAX-D FA 28-105mm f/3.5-5.6 ED DC WR Lens from Pentax will be a perfect pairing for many shooters thanks to its wide-angle to medium telephoto range. The lens also features an f/3.5-5.6 variable aperture to help keep size down while also utilizing ED glass elements to reduce aberrations. The lens sports both Super Protect and HD multi-layer coatings in order to protect against accidental damage and reduce flaring and ghosting.
Focusing is fast and quiet thanks to the integration of a Supersonic Direct-Drive Motor and the lens has a Quick-Shift feature for fast switching between auto and manual focusing. The lens also focuses as close as 1.64' and it has a 9-blade rounded aperture diaphragm for smooth out-of-focus elements. Additionally, it is dust- and water-resistant with eight seals to protect from intrusion.
- Covering wide-angle to medium telephoto perspectives, this versatile 28-105mm zoom offers a convenient option for full-frame K-mount Pentax DSLRs and is also compatible with APS-C models, where it will provide a 43-161mm equivalent focal length range.
- Variable f/3.5-5.6 maximum aperture ensures a compact size while offering a wide range of versatile focal lengths.
- ED glass elements are featured in the lens design and help to control chromatic aberrations and reduce color fringing for increased clarity and color fidelity.
- The High Definition (HD) multi-layer coating is utilized to reduce reflections, flare, and ghosting for improved contrast and color in more trying lighting conditions.
- Super Protect coating will help keep the optics safe in the event of accidental impact or if it comes in contact with water or dust.
- Supersonic Direct-Drive Motor (SDM) ensures fast, quiet, and smoother autofocus operation.
- A rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing shallow depth of field techniques. It is completely rounded between f/3.5-6.3 when at 28mm and between f/5.6-10 when at 105mm.
- A weather-resistant design features eight seals which better permit working in inclement conditions.
- Includes PH-RBS62 lens hood to limit flare from light sources.
- Optional S-80-120 Soft Lens Case is available to protect lens during transport or storage.
UPC: 027075294592
| Performance |
| Focal Length | 28 - 105mm
Comparable 35mm Equivalent on APS-C Format Focal Length: 43 - 161 mm |
| Aperture | Maximum: f/3.5 - 5.6
Minimum: f/22 - 32 |
| Camera Mount Type | Pentax K |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
| Angle of View | 15.5° - 53°
APS-C Picture Angle: 23.5° - 75° |
| Minimum Focus Distance | 1.64' (50 cm) |
| Magnification | 0.22x |
| Maximum Reproduction Ratio | 1:4.5 |
| Elements/Groups | 15/11 |
| Diaphragm Blades | 9, Rounded |
| Features |
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical |
| Filter Thread | Front: 62 mm |
| Dimensions (DxL) | Approx. 2.87 x 3.41" (7.29 x 8.66 cm) |
| Weight | 15.5 oz (439 g) |
| Packaging Info |
| Package Weight | 1.4 lb |
| Box Dimensions (LxWxH) | 6.0 x 3.9 x 3.9" |
In the Box
Pentax HD PENTAX-D FA 28-105mm f/3.5-5.6 ED DC WR Lens
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