Clicky

Pentax K-r vs Sony A37

Portability
67
Imaging
53
Features
52
Overall
52
Pentax K-r front
 
Sony SLT-A37 front
Portability
67
Imaging
57
Features
65
Overall
60

Pentax K-r vs Sony A37 Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Introduced March 2011
Sony A37
(Full Review)
  • 16MP - APS-C Sensor
  • 2.6" Tilting Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 506g - 124 x 92 x 85mm
  • Released May 2012
  • Earlier Model is Sony A35
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Pentax K-r vs Sony A37 Overview

Below is a comprehensive analysis of the Pentax K-r vs Sony A37, both Entry-Level DSLR cameras by brands Pentax and Sony. There is a noticeable difference among the image resolutions of the K-r (12MP) and A37 (16MP) but they feature the exact same sensor size (APS-C).

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The K-r was announced 14 months earlier than the A37 making the cameras a generation apart from each other. Each of these cameras come with the identical body type (Compact SLR).

Before getting straight into a in-depth comparison, below is a brief summary of how the K-r grades against the A37 when considering portability, imaging, features and an overall grade.

Snapchat Adds Watermarks to AI-Created Images
	
	

Reasons to pick Pentax K-r over the Sony A37

 K-r A37 
Display dimension3"2.6"Larger display (+0.4")
Display resolution921k230kClearer display (+691k dot)

Reasons to pick Sony A37 over the Pentax K-r

 A37 K-r 
ReleasedMay 2012March 2011More recent by 14 months
Display typeTiltingFixed Tilting display

Common features in the Pentax K-r and Sony A37

 K-r A37 
Focus manually Very accurate focus
Selfie screen Neither comes with selfie screen
Touch display Neither comes with Touch display

Pentax K-r vs Sony A37 Physical Comparison

For those who are going to lug around your camera regularly, you need to factor in its weight and size. The Pentax K-r comes with exterior dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) while the Sony A37 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 506 grams (1.12 lbs).

Take a look at the Pentax K-r vs Sony A37 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ dependant on the lens you have at that moment. Here is the front view size comparison of the K-r and the A37.

Pentax K-r vs Sony A37 size comparison

Factoring in size and weight, the portability score of the K-r and A37 is 67 and 67 respectively.

Pentax K-r vs Sony A37 top view buttons comparison

Pentax K-r vs Sony A37 Sensor Comparison

Generally, it is difficult to picture the gap in sensor measurements only by going through specifications. The photograph underneath will offer you a better sense of the sensor sizes in the K-r and A37.

To sum up, both of those cameras have got the exact same sensor measurements but different MP. You can expect to see the Sony A37 to produce extra detail with its extra 4MP. Greater resolution will let you crop pics much more aggressively. The older K-r will be disadvantaged with regard to sensor innovation.

Pentax K-r vs Sony A37 sensor size comparison

Pentax K-r vs Sony A37 Screen and ViewFinder

Pentax K-r vs Sony A37 Screen and Viewfinder comparison
Photobucket discusses licensing 13 billion images with AI firms

Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography details
Sony A37 Portrait photography details
63
has manual focus
sensor size is nice (APS-C)
features face detection focusing
delivers RAW files
sensor resolution low (12MP)
74
has manual focus
good MP (16MP)
sensor size is good (APS-C)
provides face detect focus
saves RAW files
Samsung Releases Faster Versions of EVO MicroSD Cards

Street Comparison

Pentax K-r Street photography factors
Sony A37 Street photography factors
67
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
fixed screen
77
tilting screen
has image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW files
good ISO range (25,600)
Sora from OpenAI releases its first ever music video

Sports Comparison

Sports photography with Pentax K-r
Sports photography with Sony A37
55
maximum shutter speed is high (1/6,000s)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect AF
low fps (6.0 fps)
sensor resolution low (12 megapixels)
bad battery life (470 per charge)
61
has image stabilization (Sensor based)
good MP (16MP)
sensor size is good (APS-C)
has phase detect auto focus
slow fps (6.0 frames per second)
not so great battery (500 shots)
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Travel Comparison

Pentax K-r Travel photography advice
Sony A37 Travel photography advice
47
flash built-in
bad battery life (470 CIPA)
sensor resolution low (12 megapixels)
does not offer selfie friendly screen
54
good MP (16MP)
built-in flash
missing Time Lapse recording
not so great battery (500 per charge)
doesn't feature selfie friendly display
Cutting-edge AI developed by Apple deciphers subtle nuances in pixels

Landscape Comparison

Landscape photography with Pentax K-r
Landscape photography with Sony A37
65
has manual focus
swap lenses (Pentax KAF2 mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
sensor resolution low (12MP)
bad battery life (470 per charge)
64
has manual focus
switch lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
good MP (16 megapixels)
sensor size is good (APS-C)
good ISO range (25,600)
saves RAW files
small screen (2.6 inch)
not so great battery (500 CIPA)
missing Time Lapse recording
Body cameras now worn by bakery staff to deter stealing

Vlogging Comparison

Pentax K-r Vlogging info
Sony A37 Vlogging info
26
built in image stabilization (Sensor based)
features face detection focusing
does not offer selfie friendly screen
low quality video (1280 x 720 pixels)
does not have external mic support
35
has image stabilization (Sensor based)
provides face detect focus
good video quality (1920 x 1080 pixels)
has mic jack
doesn't feature selfie friendly display
Photography Glossary

Pentax K-r vs Sony A37 Specifications

Detailed spec comparison table for Pentax K-r and Sony A37
 Pentax K-rSony SLT-A37
General Information
Make Pentax Sony
Model Pentax K-r Sony SLT-A37
Type Entry-Level DSLR Entry-Level DSLR
Introduced 2011-03-11 2012-05-16
Body design Compact SLR Compact SLR
Sensor Information
Processor Chip Prime II -
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 16 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 4288 x 2848 4912 x 3264
Max native ISO 12800 25600
Max boosted ISO 25600 -
Lowest native ISO 200 100
RAW data
Lowest boosted ISO 100 -
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 15
Cross focus points 9 3
Lens
Lens mounting type Pentax KAF2 Sony/Minolta Alpha
Total lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Tilting
Display sizing 3 inch 2.6 inch
Resolution of display 921 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch friendly
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 1,440 thousand dot
Viewfinder coverage 96% 100%
Viewfinder magnification 0.57x 0.73x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/6000 secs 1/4000 secs
Continuous shooting speed 6.0 frames per second 6.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 12.00 m
Flash modes Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Maximum flash sync 1/180 secs 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1280x720 1920x1080
Video data format Motion JPEG MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598 grams (1.32 lbs) 506 grams (1.12 lbs)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around score 72 75
DXO Color Depth score 22.9 23.3
DXO Dynamic range score 12.4 12.9
DXO Low light score 755 799
Other
Battery life 470 photographs 500 photographs
Style of battery Battery Pack Battery Pack
Battery model D-LI109,4 x AA NP-FW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, 10 sec 3 or 5 images)
Time lapse shooting
Type of storage SD/SDHC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Retail pricing $1,100 $522