Pentax-DA 18-135mm F3.5-5.6 Review

What's in the Box

The DA 18-135 WR comes with the following components and accessories inside its box:

  • DA 18-135mm F3.5-5.6 ED AL [IF] DC WR Zoom Lens
  • Lens Hood PH-RBC 62 (seen attached to the lens in the below image)
  • Lens Hood PH-RBC 62 Filter Window Cover (attached opposite lens hood's PENTAX print)
    • Barely noticeable via the rectangular notch on the inner rearside of the hood
  • Front Lens Cap O-LC62 (attached and thus hidden by the lens hood)
  • Rear Lens Cap K
  • Various Paperwork/Booklets
    • Lens Serial/Proof of Ownership Card
    • Ricoh Pentax DA 18-135 WR Specific Lens Instruction Booklet/User Manual
    • Warranty Card
    • Notification of Change in Company Name

Laid out, everything listed above looks like this:

The operating manual for the specific lens is included, which is different from Pentax's standard a couple years ago when Pentax originally published a general DA Lens Booklet that applied to all DA lenses (and a similar one applicable for the DA*, FA, etc., series respectively). The manual does an excellent job of concisely explaining all the critical aspects of the lens at hand:

Unfolded, the pamphlet looks like this, with the front and back on the left and right, respectively:

Should you want to read what those pages say, we've included high resolution images for you to download: Page One and Page Two. We recommend right-clicking on each link in the previous sentence and clicking "Save Link As."


In the US, the DA 18-135 WR comes with a paltry 1-year limited warranty, but in practice we don't expect any issues to bring your photographic pursuits with this lens to a halt. The most common deficiency to malign lenses is their autofocus motors, especially with the prominent perception that Pentax's SDM in-lens motor can't be trusted despite numerous reports, both official and unofficial, stating that the faulty component of the SDM system had been identified and updated as of 2012. Regardless, the SDM motor is not used in the DA 18-135 WR, and its DC motor has been exceptionally problem-free.

We're confident worries of longevity and continued functionality should not be cause for anxiety should you decide to purchase this lens. We aren't the least bit concerned about it.

In Europe and Canada, the warranty is good for two years, while Australia shares the same 12-month coverage as in America. PentaxForums +Pentax Forums @PentaxForums News | Reviews | Forum

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