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Pentax K-r vs Sony A77 II

Portability
67
Imaging
52
Features
52
Overall
52
Pentax K-r front
 
Sony SLT-A77 II front
Portability
62
Imaging
65
Features
85
Overall
73

Pentax K-r vs Sony A77 II Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Announced March 2011
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Launched May 2014
  • Older Model is Sony A77
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Pentax K-r vs Sony A77 II Overview

Below, we will be looking at the Pentax K-r versus Sony A77 II, one being a Entry-Level DSLR and the latter is a Advanced DSLR by brands Pentax and Sony. There exists a huge gap between the image resolutions of the K-r (12MP) and A77 II (24MP) but they enjoy the exact same sensor sizes (APS-C).

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The K-r was revealed 4 years earlier than the A77 II and that is quite a significant gap as far as technology is concerned. Each of these cameras come with different body type with the Pentax K-r being a Compact SLR camera and the Sony A77 II being a Mid-size SLR camera.

Before we go straight into a more detailed comparison, below is a concise summary of how the K-r scores vs the A77 II in relation to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-r over the Sony A77 II

 K-r A77 II 

Reasons to pick Sony A77 II over the Pentax K-r

 A77 II K-r 
LaunchedMay 2014March 2011Fresher by 38 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1229k921kCrisper screen (+308k dot)
Selfie screen Easy selfies

Common features in the Pentax K-r and Sony A77 II

 K-r A77 II 
Focus manually Dial precise focus
Screen dimension3"3"Identical screen dimensions
Touch friendly screen Neither provides Touch friendly screen

Pentax K-r vs Sony A77 II Physical Comparison

When you are aiming to carry your camera regularly, you need to think about its weight and dimensions. The Pentax K-r provides external measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs) while the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 647 grams (1.43 lbs).

Check out the Pentax K-r versus Sony A77 II in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at that time. The following is the front view proportions comparison of the K-r compared to the A77 II.

Pentax K-r vs Sony A77 II size comparison

Factoring in dimensions and weight, the portability grade of the K-r and A77 II is 67 and 62 respectively.

Pentax K-r vs Sony A77 II top view buttons comparison

Pentax K-r vs Sony A77 II Sensor Comparison

Quite often, it is tough to see the gap between sensor sizing only by reviewing specs. The visual here might provide you a greater sense of the sensor sizing in the K-r and A77 II.

As you can plainly see, the 2 cameras posses the exact same sensor measurements albeit not the same MP. You should count on the Sony A77 II to offer extra detail because of its extra 12MP. Higher resolution will help you crop shots somewhat more aggressively. The older K-r is going to be disadvantaged when it comes to sensor tech.

Pentax K-r vs Sony A77 II sensor size comparison

Pentax K-r vs Sony A77 II Screen and ViewFinder

Pentax K-r vs Sony A77 II Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography info
Sony A77 II Portrait photography info
63
has manual focus
sensor size is decent (APS-C)
supports face detection focusing
exports RAW files
megapixel count low (12 megapixels)
79
has manual focus
good MP (24 megapixels)
sensor size is decent (APS-C)
offers face detect autofocus
delivers RAW formats
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Street Comparison

Pentax K-r as a Street photography camera
Sony A77 II as a Street photography camera
66
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
screen does not articulate
76
screen articulates fully
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
environment sealing
good ISO range (25,600)
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Sports Comparison

Sports photography with Pentax K-r
Sports photography with Sony A77 II
54
max shutter speed is good (1/6,000s)
image stabilization (Sensor based)
sensor size is decent (APS-C)
has phase detect AF
slow continuous shooting (6.0 frames per second)
megapixel count low (12MP)
not so great battery power (470 CIPA)
76
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
good MP (24 megapixels)
sensor size is decent (APS-C)
offers tracking focus
environment sealing
comes with phase detect autofocus
not so great battery life (480 per charge)
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Travel Comparison

Travel photography with Pentax K-r
Travel photography with Sony A77 II
47
has built in flash
not so great battery power (470 per charge)
megapixel count low (12MP)
doesn't posses selfie friendly display
64
environment sealing
good MP (24 megapixels)
flash built-in
display is selfie friendly
doesn't have Time Lapse mode
not so great battery life (480 CIPA)
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Landscape Comparison

Pentax K-r Landscape photography details
Sony A77 II Landscape photography details
65
has manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3 inch)
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
megapixel count low (12MP)
not so great battery power (470 per charge)
73
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
pretty good screen size (3")
image stabilization (Sensor based)
good MP (24 megapixels)
sensor size is decent (APS-C)
good ISO range (25,600)
delivers RAW formats
environment sealing
not so great battery life (480 shots)
doesn't have Time Lapse mode
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Vlogging Comparison

Pentax K-r as a Vlogging camera
Sony A77 II as a Vlogging camera
26
image stabilization (Sensor based)
supports face detection focusing
doesn't posses selfie friendly display
low video resolution (1280 x 720 pixels)
lack of external mic support
77
display is selfie friendly
image stabilization (Sensor based)
offers face detect autofocus
high quality video (1920 x 1080 pixels)
does have mic jack
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Pentax K-r vs Sony A77 II Specifications

Detailed spec comparison table for Pentax K-r and Sony A77 II
 Pentax K-rSony SLT-A77 II
General Information
Manufacturer Pentax Sony
Model type Pentax K-r Sony SLT-A77 II
Category Entry-Level DSLR Advanced DSLR
Announced 2011-03-11 2014-05-21
Body design Compact SLR Mid-size SLR
Sensor Information
Processor Chip Prime II Bionz X
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.8mm 23.5 x 15.6mm
Sensor surface area 372.9mm² 366.6mm²
Sensor resolution 12 megapixel 24 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Max resolution 4288 x 2848 6000 x 4000
Max native ISO 12800 25600
Max enhanced ISO 25600 -
Minimum native ISO 200 50
RAW format
Minimum enhanced ISO 100 -
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 79
Cross type focus points 9 15
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Total lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Fully Articulated
Display diagonal 3 inches 3 inches
Display resolution 921 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 96% 100%
Viewfinder magnification 0.57x 0.73x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/8000 secs
Continuous shutter speed 6.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash settings Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, fill, rear sync, slow sync
External flash
AEB
WB bracketing
Fastest flash sync 1/180 secs 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution 1280x720 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 598g (1.32 pounds) 647g (1.43 pounds)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating 72 82
DXO Color Depth rating 22.9 24.4
DXO Dynamic range rating 12.4 13.4
DXO Low light rating 755 1013
Other
Battery life 470 shots 480 shots
Type of battery Battery Pack Battery Pack
Battery ID D-LI109,4 x AA NP-FM500H
Self timer Yes (2 or 12 sec) Yes (Yes (2 or 12 sec))
Time lapse recording
Type of storage SD/SDHC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Retail pricing $1,100 $1,198