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Compared to the Pentax K-x

The image above shows the K-r (left) next to the K-x. As you can see the visual differences are limited to the AF-assist light (underneath the mode dial), a boxier prism (presumably to accommodate the visible AF points) and more angular top plate, accompanied by a larger, higher resolution screen on the K-r. All other elements of the body design including the external buttons and dials are identical. The new prism means the K-r is about 5mm (3/16") taller than the K-x, but aside from that they're essentially the same size.

Despite its compact dimensions the the K-r feels solid in your hands, build quality is pretty much in line with the competition in this class. Like its peers in the entry-level sector it does not feature a top-LCD and comes with a relatively small number of external controls. The latter is made up for by an interactive status screen that is displayed on the rear-LCD (press the INFO button to enter) that gives you, in combination with the hard buttons, access to all of the important shooting settings. The K-r body is made out of reinforced ABS plastic, and the front including the grip is covered with a rubberized material.

New features and functions

The following table gives you on overview of the new features and functions on the Pentax K-r:

The K-r comes with a proprietary rechargeable battery as standard but gives you the option to use AA batteries (an optional battery holder is required). On the K-x you have to use AA batteries. At 921,000 dots resolution and 3.0 inch size (vs 2.7 inch/230K dots on the K-x) the K-r screen is, at least in terms of specification, identical to the K-5's.
The K-r viewfinder is the same size as the K-x but offers a visual confirmation of where the cameras has focused on (the active AF-point lights up in red). The K-r offers greater control over noise reduction. You can choose from five NR strengths and define different NR intensities for certain ISO ranges.
The K-r offers a new IR simple data transfer. This feature allows users to wirelessly transfer images between cameras.
The shooting menu includes the same new cross-processing option that we've seen on the K-5. It lets you choose from a range of parameters. There also two new custom image modes which we've seen on the K-5 - bleach bypass and reversal film. Custom image modes are also available when shooting movies.

The table below shows the specification differences between the Pentax K-r and K-x. The new model K-r is visually very close to the entry-level K-x but in some areas of the specification comes close to Pentax's enthusiast model K-5. Apart form the points already described above, the most noticeable differences are the increased sensitivity range up to ISO 25600 and the faster continuous shooting (6 fps vs 4.7).

 

K-r

K-x
Image sensor 12.4Mp CMOS
12.4Mp CMOS
Imaging engine Prime II
Prime II
Sensitivity 200-12,800 (100 and 25,600 with expansion)
200-6,400 (100 and 12,800 with expansion)
Continuous shooting speed 6.0 fps (25 frames)
4.7fps (17 frames)
AF SAFOX IX
11-points (selectable)
SAFOX VIII
11-points (selectable)
AF point confirmation in viewfinder Yes No
AE 16-segment
16-segment
Viewfinder Pentamirror
Coverage: 96%
Magnification: 0.85
Pentamirror
Coverage: 96%
Magnification: 0.85
LCD screen 3.0 in, 921k pixels 2.7 in, 230k pixels
Movies 720p 25fps
720p 24fps
Microphone Mono internal
Mono internal
HDMI output No
No
AF-assist light Yes No
IR simple Yes No
Cross process mode Yes No
Night Scene HDR Yes No
Movie custom images modes Yes No
Battery Rechargeable battery or four AA batteries (with adapter) Four AA batteries
Weight (body only) 544g
515g
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