PentaxForums.com - Premier Pentax Camera Forum and Review Site

NEW: Pentax K-3 Review
Login Register
Forgot your login?

Sponsored

Pentax Exclusives

Lens Review Database

Complete with all Pentax Lenses ever made, photos, technical data and THOUSANDS of reviews

Read More Find your perfect Lens

Pentax Marketplace

The largest & safest Pentax-dedicated classifieds on the web - buy rare gear or sell an item today!

Read More Visit the Marketplace

Featured Review

HD Pentax 55-300mm Review

Trusted Pentax Retailers

Get the Pentax K-3 DSLR!

Pentax-DA 18-270mm F3.5-6.3 Review

Review Navigation:
< >

General Image Quality

Below we illustrate the general image quality and sharpness over the zoom range. The images were shot in RAW at ISO 100 with a Pentax K-5 IIs with the lens stopped down four clicks on the e-dial, processed to about the same exposure, and smart sharpened 130%, radius 1. Centerpoint autofocus.

The full-size image are available for download and 100% crops can be viewed in the lightbox by clicking the thumbnails.

The scene
(click to browse)
100% crop
(click to view full size)
18mm
full-size version
40mm
full-size version
80mm
full-size version
160mm
full-size version
270mm
full-size version

Read on for in-depth analysis of sharpness, vignetting, bokeh, and aberrations.

 
Buy the DA