Pentax K-x with Sony A37 Comparison

Pentax K-x and Sony A37 Main Features

  • December, 2009
  • May, 2012
  • 12 MP APS-C CMOS Sensor
  • 16 MP APS-C CMOS Sensor
  • 100 - 6400 ISO
  • 100 - 25600 ISO
  • Sensor-shift Image Stabilization
  • Sensor-shift Image Stabilization
  • 2" Fixed Screen
  • 2" Tilting Screen
  • Optical (pentamirror) Viewfinder
  • Electronic Viewfinder
  • -
  • 1440k dot Electronic viewfinder
  • 5.0 fps continuous shooting
  • 6.0 fps continuous shooting
  • 1280 x 720 video resolution
  • 1920 x 1080 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 123 x 92 x 68 mm, 580g.
  • 124 x 92 x 85 mm, 506g.
  • Price Category:
  • Price Category:

Pentax K-x Scores


Imaging score
52
Features score
61
Value for money score
77
Portability score
80
Overall score
62

Sony A37 Scores


Imaging score
55
Features score
71
Value for money score
83
Portability score
80
Overall score
69

Sony SLT-A37 with Pentax K-x Overview


Let's compare Pentax K-x with Sony SLT-A37. These models are included in the Entry-Level DSLR cameras. Pentax K-x was released in 2009, and Sony A37 in 2012. SLT-A37 is newer, which is a plus. K-x 3 years older.
The sensor resolution of K-x is greater than that of SLT-A37. However, the difference of 4 MP is not very significant. The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
The minimum ISO value for these cameras is the same and is . A larger maximum ISO allows you to take good pictures in the dark. The maximum ISO value for these cameras is the same and is . Both cameras have Sensor-shift image stabilization. Both cameras feature a 2-inch fixed screen.
K-x has optical (pentamirror) viewfinder, and the SLT-A37 doesn’t have. Viewfinder SLT-A37 has a higher resolution of 1440k dots, K-x has a resolution of no electronic viewfinderk dots. Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Pentax K-x has 6.0 fps continuous shooting. Pentax K-x has 6.0 fps continuous shooting.

General K-x SLT-A37
Brand Pentax Sony
Model K-x SLT-A37
Announced December, 2009 May, 2012
Body Type Compact SLR Compact SLR
Lens
Lens Mount Pentax KAF2 Sony/Minolta Alpha
Manual Focus
Focal Lens Multiplier 1.5 1.5
Number of Lenses 150 143
Macro Focus Range n/a n/a
Screen
Screen Size 2" 2"
Screen Type Fixed Tilting
Screen Resolution 230k pixels 230k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Optical (pentamirror) Electronic
Viewfinder Resolution no electronic viewfinder
Viewfinder Coverage 96% 100%
Viewfinder Magnification 0.57 0.73
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 11 15
Number of Cross Focus Points 0 3
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/6000 sec 1/4000 sec
Continuous Shooting 5.0 fps 6.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range 16.00 12.00
Flash Modes Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External Flash
AE Bracketing
AE Bracketing Range ±3 EV ±3 EV
WB Bracketing
Sensor
Sensor Size APS-C APS-C
Sensor Type CMOS CMOS
Sensor Dimensions 23.6 x 15.8 mm 23.5 x 15.6 mm
Sensor Area 372.9 mm² 366.6 mm²
Sensor Resolution 12 MP 16 MP
Max Image Resolution 4288 x 2848 4912 x 3264
Max Native ISO 6400 25600
Min Native ISO 100 100
Max Boosted ISO 12800 0
Min Boosted ISO 0 0
Video Features
4K
Max Video Resolution 1280 x 720 1920 x 1080
Video Formats Motion JPEG MPEG-4, AVCHD, H.264
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None None
Wireless Connectivity Built-In Built-In
Bluetooth
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Battery
Battery Life 1900 shots 500 shots
Battery Type Battery Pack Battery Pack
Battery Model 4 x AA NP-FW50
Physical
Weight 580 g 506 g
Physical Dimensions 123 x 92 x 68 mm 124 x 92 x 85 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type SD/SDHC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage Slots 1 1
Other Features
Self Timer
Selfie Friendly

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