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SMC Pentax-DA 18-55mm f/3.5-5.6 AL II

Maker	Pentax
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
Close focus distance	0.25 metres (9.8 in)
Max. magnification	0.34x
Diaphragm blades	6
Construction	11 elements in 8 groups
Features
Application	Standard zoom
Physical
Max. length	67.5 millimetres (2.66 in)
Diameter	68.0 millimetres (2.68 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
Introduction	2008
Retail info
MSRP	$199.95 USD

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-DA L 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

• Media related to SMC Pentax-DA 18-55mm F3.5-5.6 AL at Wikimedia Commons
• 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

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