The Pentax K-5 is high-end semi-pro camera by Pentax It was released in 2010 with its main rival being the Nikon D7000. Both camera's shared the same Sony sensor, however the processor in the K-5 pushed it ahead with the K-5 having the highest score for an APS-C sensor by DxOMark upon release.
The K-5 was essentially an update of the popular Pentax K-7 which improved the sensor chip, as well as the FPS and video capability.
Improvements over the K-7 were:Edit
- Larger 16.3 Mpix Sony-sourced CMOS Sensor
- New SAFOX IX+ 11 point AF sensor
- Dramatically improved ISO performance with a range from 80-51200 ISO. This is also the largest ISO range of any APS-C DSLR camera, and currently only beaten by three "Pro" cameras by Canon and Nikon (EOS 1D mk4, EOS 1D X and D3s)
- First Pentax DSLR with 1080p recording
- Compatible with O-GPS1 after firmware update
- 7 frames per second
- Possibly the quietest shutter of any DSLR.