With the widest zoom range of any current Pentax lens (7.5X), the new 18–135mm f/3.5–5.6 ($500, street) is the closest it has today to an all-in-one zoom. A 27–202.5mm full-frame equivalent, this is also one of the few lenses in its class with a weather-resistant (WR) O-ring on the lensmount.