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The Benefits of Fast SD...
Nice job! I was a little surprised that there was no mention of how this subject...
By Fastback67
Pentax-DA 18-270mm F3.5-6.3 Review
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.
