Sony A100 with Pentax K-r Comparison

Sony A100 and Pentax K-r Main Features

  • July, 2006
  • March, 2011
  • 10 MP APS-C CCD Sensor
  • 12 MP APS-C CMOS Sensor
  • 100 - 1600 ISO
  • 200 - 12800 ISO
  • Sensor-shift Image Stabilization
  • Sensor-shift Image Stabilization
  • 2" Fixed Screen
  • 3" Fixed Screen
  • Optical (pentamirror) Viewfinder
  • Optical (pentamirror) Viewfinder
  • 3.0 fps continuous shooting
  • 6.0 fps continuous shooting
  • -
  • 1280 x 720 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 133 x 95 x 71 mm, 638g.
  • 125 x 97 x 68 mm, 598g.
  • Price Category:
  • Price Category:

Sony A100 Scores


Imaging score
48
Features score
44
Value for money score
67
Portability score
77
Overall score
51

Pentax K-r Scores


Imaging score
53
Features score
65
Value for money score
78
Portability score
79
Overall score
65

Pentax K-r with Sony Alpha DSLR-A100 Overview


Let's compare Sony Alpha DSLR-A100 with Pentax K-r. These models are included in the Entry-Level DSLR cameras. Sony A100 was released in 2006, and Pentax K-r in 2011. K-r is newer, which is a plus. Alpha DSLR-A100 5 years older.
The sensor resolution of Alpha DSLR-A100 is greater than that of K-r. However, the difference of 2 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.
At the second camera (K-r), the minimum ISO value is lower, which gives more opportunities for shooting in daylight. A larger maximum ISO allows you to take good pictures in the dark. At Pentax K-r, the maximum ISO is greater by 11200. Both cameras have Sensor-shift image stabilization. Pentax K-r has a larger 3-inch Fixed screen, the other camera has a 2-inch Fixed screen.
Both cameras have a optical (pentamirror) viewfinder. All viewfinders has no electronic viewfinderk dot resolution. Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha DSLR-A100 has 6.0 fps continuous shooting. Sony Alpha DSLR-A100 has 6.0 fps continuous shooting.

General Alpha DSLR-A100 K-r
Brand Sony Pentax
Model Alpha DSLR-A100 K-r
Announced July, 2006 March, 2011
Body Type Compact SLR Compact SLR
Lens
Lens Mount Sony/Minolta Alpha Pentax KAF2
Manual Focus
Focal Lens Multiplier 1.5 1.5
Number of Lenses 143 150
Macro Focus Range n/a n/a
Screen
Screen Size 2" 3"
Screen Type Fixed Fixed
Screen Resolution 230k pixels 921k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder Resolution no electronic viewfinder
Viewfinder Coverage 95% 96%
Viewfinder Magnification 0.55 0.57
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 9 11
Number of Cross Focus Points 0 9
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/4000 sec 1/6000 sec
Continuous Shooting 3.0 fps 6.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash 12.00
Flash Modes Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External Flash
AE Bracketing
AE Bracketing Range ±2 EV ±3 EV
WB Bracketing
Sensor
Sensor Size APS-C APS-C
Sensor Type CCD CMOS
Sensor Dimensions 23.6 x 15.8 mm 23.6 x 15.8 mm
Sensor Area 372.9 mm² 372.9 mm²
Sensor Resolution 10 MP 12 MP
Max Image Resolution 3872 x 2592 4288 x 2848
Max Native ISO 1600 12800
Min Native ISO 100 200
Max Boosted ISO 0 25600
Min Boosted ISO 0 100
Video Features
4K
Max Video Resolution None 1280 x 720
Video Formats Motion JPEG
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None Optional
Wireless Connectivity Built-In Built-In
Bluetooth
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Battery
Battery Life 0 shots 470 shots
Battery Type Battery Pack
Battery Model NP-FM55H D-LI109,4 x AA
Physical
Weight 638 g 598 g
Physical Dimensions 133 x 95 x 71 mm 125 x 97 x 68 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type Compact Flash (Type I or II) SD/SDHC
Storage Slots 1 1
Other Features
Self Timer
Selfie Friendly

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