Pentax k-5 digital camera review that explains basic camera introduction with features and overview of it's capabilities for the photographer. Overall this is a semi-pro model from Pentax.

http://PentaxAuctions.com fully credits this video to Ali Jennings of DigitalCameras.com.

What so good about the K-5? According to DP Review.
Good detail and dynamic range (even better in RAW)
Exceptionally low shadow noise in RAW files at low ISOs
One of the best APS-C DSLRs in terms of high ISO image quality
Very good build quality and handling
Maximum ISO of 51,200 at full resolution
Excellent burst depth in RAW mode (with firmware 1.0.1)
1080p HD video mode with basic editing built-in
Useful electronic level and composition adjustment functions
Comprehensive customization options including adjustable NR for each ISO
Large, bright viewfinder with 100% coverage
Fast contrast detect Auto Focus in Live View
Versatile (but poorly documented) auto ISO function