The Pentax SMC DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR is a versatile APS-C format zoom lens designed for Pentax K-mount cameras. It offers a wide-to-telephoto focal range (18-135mm), making it an excellent all-purpose lens for landscapes, portraits, and travel photography.
Key Features:
- Optical Construction: 13 elements in 11 groups, including extra-low dispersion (ED) and aspherical elements for improved image quality.
- Autofocus System: Features a DC motor for fast and quiet autofocus, with Quick-Shift Focus for manual fine-tuning.
- Weather Resistance: WR (Weather Resistant) sealing protects against dust and moisture, ideal for outdoor shooting.
- Internal Focusing (IF): The lens maintains its length while focusing, ensuring better handling.
- Super Protect (SP) Coating: Repels water, dust, and grease for easier maintenance.
- Rounded 7-Blade Diaphragm: Helps produce smooth and natural bokeh.
- Filter Compatibility: Accepts 62mm filters, with a built-in filter window for easy use of circular polarizers.
This lens is a great choice for photographers looking for a compact, durable, and versatile zoom lens with reliable performance across various shooting conditions.
Specifications for the Pentax SMC DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR:
| Specification | Details |
|---|---|
| Focal Length | 18-135mm |
| Maximum Aperture | f/3.5-5.6 |
| Minimum Aperture | f/22-38 (varies by focal length) |
| Lens Mount | Pentax K-mount |
| Format Compatibility | APS-C |
| Optical Construction | 13 elements in 11 groups |
| Special Elements | Extra-low dispersion (ED), Aspherical elements |
| Autofocus System | DC motor, Quick-Shift Focus |
| Focus Type | Autofocus with manual override |
| Internal Focusing (IF) | Yes |
| Minimum Focus Distance | 40 cm / 15.7 in |
| Maximum Magnification | 0.24x |
| Diaphragm Blades | 7, rounded |
| Image Stabilization | None (relies on camera body stabilization) |
| Filter Thread | 62mm |
| Weather Resistance | Yes (WR - Weather Resistant sealing) |
| Coating | Super Protect (SP) coating |
| Dimensions | Approx. 76mm (Diameter) x 97mm (Length) |
| Weight | Approx. 405g / 14.3oz |