Based on the Pentax K-m, the latest K-x has inherited a number of features from the K-7 to entice the entry-level photographer. We put it to the test.

Product Overview

Overall rating:

Pentax K-x

Features:
LCD viewfinder:
Dynamic Range:
Build/Handling:
Autofocus:
Noise/resolution:
Metering:

Product:

Pentax K-x review

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Price as reviewed:

£599.99

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Features

While the K-x looks remarkably similar to the Pentax K-m, a number of changes have taken place inside the newer model. The first, and possibly most important, is that the sensor has been upgraded from a 10.2-million-pixel CCD sensor to a 12.7 million-pixel CMOS sensor. This small increase in resolution keeps it ahead of the resolution of the Nikon D3000, Canon EOS 1000D and Olympus E-450, which all feature ten-million-pixel sensors.

The switch to a CMOS sensor from CCD is presumably to allow HD video capture and Live View technology on the K-x. Another improvement that will have an impact on photographers is the new AF system. Instead of the rather basic five-point AF system, the K-x has the same 11 points found on the K-7.

Also inherited from the K-7 is the latest Prime II image-processing engine. This should have an impact on image processing and the speed of data transfer. In turn, Pentax has been able to increase the shooting rate in the K-x to an impressive 4.7 images per second.

A number of new in-camera image effects have been added to the K-x. A selection of cross-processing filters are available, but the most notable feature is in-camera HDR image capture. This creates a single in-camera HDR image by combining three different camera exposures. It is a feature I recently looked at in detail as a Feature in use when I reviewed the Pentax K-7 against the Nikon D300S (AP 17 October).

So while the Pentax K-x may have inherited its camera body from the K-m, there are a number of changes that have taken place inside the camera that should produce marked improvements in the K-x.

  1. 1. Introduction
  2. 2. Features
  3. 3. Build and handling
  4. 4. White balance and colour
  5. 5. Metering
  6. 6. Autofocus
  7. 7. Resolution, noise and sensitivity
  8. 8. Dynamic range
  9. 9. Viewfinder, LCD, Live View and Video
  10. 10. Our verdict
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