Pentax DA 18-55mm lens
 | |
| Maker | Pentax |
|---|---|
| Key features | |
| Application | Standard zoom |
| Technical data | |
| Type | Zoom |
| Focal length | 18-55mm |
| Focal length (35mm equiv.) | 27-82.5mm |
| Crop factor | 1.5 |
| Aperture (max/min) | f/3.5-5.6 / f/22-38 |
| Construction | 8 groups / 11 elements |
| # Diaphragm blades | 6 |
| Close focus distance | 0.25 metres (9.8 in) |
| Max. magnification | 0.34x |
| Physical | |
| Max. diameter | 68.0 millimetres (2.68 in) |
| Max. length | 67.5 millimetres (2.66 in) |
| Weight | 220 grams (7.8 oz) |
| Filter diameter | 52mm |
| Accessories | |
| Lens hood | PH-RBA 52mm |
| Case | S80-120 |
| Angle of view | |
| Diagonal | 76°-28° |
| History | |
| Introduced | 2008 |
| Retail info | |
| MSRP US$ | $199.95 |
The SMC Pentax-DA 18-55mm f/3.5-5.6 AL lens is a standard zoom lens for the Pentax K-mount. It is often sold as a kit lens with Pentax digital SLR cameras and has a 35mm equivalent focal length of 27-82.5mm. Its optical formula is made of 12 elements in 9 groups. There are two variants of this lens:
- SMC Pentax-DA 18-55mm 1:3.5-5.6 AL (first version of 18-55; LensType=252)
- Samsung D-XENON 18-55mm 1:3.5-5.6 AL (Schneider Kreuznach branded variant; supplied with Samsung GX-series DSLRs; LensType=246)
A new optical formula (11 elements in 8 groups) was introduced in 2008 and exists in five variants:
- SMC Pentax-DA 18-55mm 1:3.5-5.6 AL II (revised version with greater sharpness; LensType=229)
- Samsung D-XENON 18-55mm 1:3.5-5.6 AL II (Schneider Kreuznach branded variant of revised 18-55; LensType=223)
- SMC Pentax-DA L 18-55mm 1:3.5-5.6 AL (lightweight variant with plastic mount; LensType=222)
- SMC Pentax-DA 18-55mm 1:3.5-5.6 AL WR (weather-resistant variant; LensType=218)
- SMC Pentax-DAL 18-55mm 1:3.5-5.6 AL WR (weather-resistant but with lighter build with plastic mount; introduced with K-50; LensType=202)
All lenses except the DA L variants provide the Quick-Shift Focus System, providing full-time manual focus while in autofocus mode. The DA L variants also lack a distance scale and are sold without a hood. The hood for non-WR variants is PH-RBA52 while the hood for WR variants is PH-RBC52
External links
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Wikimedia Commons has media related to Pentax lenses. |
- SMC Pentax-DA 18-55mm f/3.5-5.6 AL II
- SMC Pentax-DA 18-55mm f/3.5-5.6 AL WR
- Bojidar Dimitrov's Pentax K-Mount Page: DA 18-55/3.5-5.6 AL
- Bojidar Dimitrov's Pentax K-Mount Page: DA 18-55/3.5-5.6 AL II
- Bojidar Dimitrov's Pentax K-Mount Page: DA L 18-55/3.5-5.6 AL
- Bojidar Dimitrov's Pentax K-Mount Page: DA 18-55/3.5-5.6 AL WR