Sony A99 II with Pentax K-S1 Comparison

Sony A99 II and Pentax K-S1 Main Features

  • September, 2016
  • August, 2014
  • 42 MP Full frame BSI-CMOS Sensor
  • 20 MP APS-C CMOS Sensor
  • 100 - 25600 ISO
  • 100 - 51200 ISO
  • 5-axis Sensor-shift Image Stabilization
  • Sensor-shift Image Stabilization
  • 3" Articulated Screen
  • 3" Fixed Screen
  • Electronic Viewfinder
  • Optical (pentaprism) Viewfinder
  • 2359k dot Electronic viewfinder
  • -
  • 12.0 fps continuous shooting
  • 5.4 fps continuous shooting
  • 4K 3840 x 2160 video resolution
  • 1920 x 1080 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 143 x 104 x 76 mm, 849g.
  • 121 x 93 x 70 mm, 558g.
  • Price Category:
  • Price Category:

Sony A99 II Scores


Imaging score
85
Features score
88
Value for money score
95
Portability score
70
Overall score
90

Pentax K-S1 Scores


Imaging score
60
Features score
66
Value for money score
83
Portability score
80
Overall score
68

Pentax K-S1 with Sony Alpha A99 II Overview


Let's compare Sony Alpha A99 II with Pentax K-S1. These models are included in the Semi-Pro DSLR cameras. Sony A99 II was released in 2016, and Pentax K-S1 in 2014. Alpha A99 II is newer, which is a plus. K-S1 2 years older. However 2 years, the difference is not so bad.
The sensor resolution of Alpha A99 II is greater than that of K-S1. The difference of 22 MP is quite a lot. 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 5-axis Sensor-shift image stabilization. Both cameras feature a 3-inch articulated screen.
Alpha A99 II has electronic viewfinder, and the K-S1 doesn’t have. Viewfinder Alpha A99 II has a higher resolution of 2359k dots, K-S1 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. Sony Alpha A99 II has 5.4 fps continuous shooting. Sony Alpha A99 II has 5.4 fps continuous shooting.

General Alpha A99 II K-S1
Brand Sony Pentax
Model Alpha A99 II K-S1
Announced September, 2016 August, 2014
Body Type Mid-size SLR Mid-size SLR
Lens
Lens Mount Sony/Minolta Alpha Pentax KAF2
Manual Focus
Focal Lens Multiplier 1 1.5
Number of Lenses 143 150
Macro Focus Range n/a n/a
Screen
Screen Size 3" 3"
Screen Type Articulated Fixed
Screen Resolution 1229k pixels 921k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Electronic Optical (pentaprism)
Viewfinder Resolution 2359
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78 0.64
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 399 11
Number of Cross Focus Points 79 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/8000 sec 1/6000 sec
Continuous Shooting 12.0 fps 5.4 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash 10.00
Flash Modes Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External Flash
AE Bracketing
AE Bracketing Range ±5 EV ±5 EV
WB Bracketing
Sensor
Sensor Size Full frame APS-C
Sensor Type BSI-CMOS CMOS
Sensor Dimensions 35.9 x 24 mm 23.5 x 15.6 mm
Sensor Area 861.6 mm² 366.6 mm²
Sensor Resolution 42 MP 20 MP
Max Image Resolution 7952 x 5304 5472 x 3648
Max Native ISO 25600 51200
Min Native ISO 100 100
Max Boosted ISO 102400 0
Min Boosted ISO 50 0
Video Features
4K
Max Video Resolution 3840 x 2160 1920 x 1080
Video Formats MPEG-4, AVCHD, XAVC S H.264
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 490 shots 410 shots
Battery Type NP-FM500H lithium-ion battery & charger Battery Pack
Battery Model D-LI109
Physical
Weight 849 g 558 g
Physical Dimensions 143 x 104 x 76 mm 121 x 93 x 70 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type Dual SD/SDHC/SDXC/MS Duo slots SD/SDHC/SDXC
Storage Slots 2 1
Other Features
Self Timer
Selfie Friendly

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