Product Overview

The Pentax DA 18-135mm f/3.5-5.6 WR is a no-nonsense walkaround zoom that earns its spot on your Pentax DSLR. Covering everything from true wide-angle to tight telephoto, it lets you move from sweeping landscapes to tight portraits without swapping glass – ideal when you’re travelling light or working fast. The internal DC autofocus motor is quick and quiet, and the Quick-Shift system means you can fine-tune focus instantly without flicking a switch.

Built with weather-resistant sealing and Pentax’s Super Protect coating, this lens is made for real-world Aussie conditions – dust, drizzle, sea spray and all. The 7.5x zoom range, rounded aperture blades and internal focusing deliver smooth bokeh, solid contrast and dependable sharpness through the mid-range, while the compact 405 g build keeps your kit balanced and easy to carry all day. Bolt it on as your everyday lens and you’ve got a tough, versatile workhorse that’s ready for just about any shot you throw at it.

Key Features

• 18–135mm zoom range covers everything from wide landscapes to tight telephoto framing, so you can travel with a single versatile lens.
• Bright f/3.5–5.6 maximum aperture range helps keep shutter speeds up in changing light, supporting sharper handheld shots.
• Weather-resistant (WR) construction with internal seals lets you keep shooting confidently in rain, dust, or splashes.
• Built-in DC autofocus motor delivers fast, quiet focusing, ideal for candid moments and video work where noise is distracting.
• Internal focusing design keeps the lens length constant and prevents the front element from rotating, making it easier to use polarising filters.
• Quick-Shift Focus System allows instant manual focus override after AF, giving you precise control for critical focus work.
• Optical design with ED and aspherical elements helps reduce chromatic aberration and distortion for cleaner, more detailed images.
• Rounded 7-blade diaphragm produces smoother, more natural-looking background blur for portraits and close-ups.
• Compact 405 g build and short 76 mm length balance well on APS-C DSLRs, making it a comfortable all-day walkaround lens.
• 62 mm filter thread and supplied hood support common filter sizes and help control flare for better contrast in bright conditions.