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 1-on-1 Comparison
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GENERAL
Model Pentax K-1 Sony Alpha A99 II Pentax K-1
Release Date 2016-02-17 2016-09-19 2016-02-17
Camera Type Mid-size SLR Mid-size SLR Mid-size SLR
Current Price $1,820.00 $3,198.00 $1,820.00
SENSOR COMPARISON
Sensor Resolution
36

Megapixel

42

Megapixel

36

Megapixel

Max Image Dimensions 7360 x 4912 7952 x 5304 7360 x 4912
Sensor Type CMOS BSI-CMOS CMOS
Sensor Size Full frame Full frame Full frame
Sensor Dimensions 35.9 x 24 mm 35.9 x 24 mm 35.9 x 24 mm
Sensor Area
861mm2
861mm2
861mm2
Max ISO

204800

102400

204800

Min ISO

100

50

100

RAW Support
SHOOTING FEATURES COMPARISON
Model Pentax K-1 Sony Alpha A99 II Pentax K-1
Max Shutter Speed 1/8000 sec 1/8000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec 30 sec
Continuous Shooting 4.4 fps 12.0 fps 4.4 fps
Shutter Priority
Aperture Priority
Manual Exposure
Exposure Compensation ±5 (at 1/3 EV, 1/2 EV steps) ±5 (at 1/3 EV, 1/2 EV steps) ±5 (at 1/3 EV, 1/2 EV steps)
Exposure Metering
  • MultiCenter-weightedSpot
  • MultiCenter-weightedHighlight-weightedSpot
  • MultiCenter-weightedSpot
Auto Exposure Bracketing ±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps) ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) ±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
Custom White Balance
Image Stabilizer Sensor-shift Sensor-shift Sensor-shift
Built-in Flash
Flash Range no built-in flash no built-in flash no built-in flash
Max Flash Sync no built-in flash 1/250s no built-in flash
Flash Modes Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync
External Flash
AE Bracketing
WB Bracketing
VIEWFINDER COMPARISON
Viewfinder Type Optical (pentaprism) Electronic Optical (pentaprism)
Viewfinder Resolution no electronic viewfinder 2,359k dots no electronic viewfinder
Viewfinder Coverage 100% 100% 100%
Viewfinder Magnification 0.7× 0.78× 0.7×
LCD DISPLAY COMPARISON
Display Type Fully Articulated Fully articulated Fully Articulated
Technology n/a n/a n/a
Screen Size
3.2″
3″
3.2″
Resolution 1,037k dots 1,229k dots 1,037k dots
Live View
Touch Screen
VIDEO COMPARISON
Model Pentax K-1 Sony Alpha A99 II Pentax K-1
Video Resolution 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) n/a 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Video File Format
  • MPEG-4
  • H.264
  • MPEG-4
  • AVCHD
  • XAVC S
  • MPEG-4
  • H.264
Microphone Type Stereo Yes Stereo
Speaker Type Mono Mono Mono
External Microphone Port
External Headphone Port
PHYSICAL SPECS COMPARISON
Weight 1010 g 849 g 1010 g
Dimensions 137 x 110 x 86 mm 143 x 104 x 76 mm 137 x 110 x 86 mm
Body Sealing Yes Yes Yes
BATTERY and STORAGE
Battery Type Battery Pack NP-FM500H lithium-ion battery & charger Battery Pack
Battery Life

760 Shots

490 Shots

760 Shots

Storage Media Dual SD/SDHC/SDXC (UHS-I) Dual SD/SDHC/SDXC/MS Duo slots Dual SD/SDHC/SDXC (UHS-I)
CONNECTIVITY COMPARISON
Wireless Connectivity Built-In Built-In Built-In
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
LENS COMPARISON
Model Pentax K-1 Sony Alpha A99 II Pentax K-1
Lens Mount Pentax KAF2 Sony/Minolta Alpha Pentax KAF2
Focal Range(35mm) No Lens No Lens No Lens
Focal Length Multiplier 1x
Optical Zoom No Lens No Lens No Lens
Max Aperture No Lens No Lens No Lens
Macro Focus Range No Lens No Lens No Lens
Manual Focus
AUTOFOCUS COMPARISON
Number of Focus Points 33 399 33
Contrast Detection
Phase Detection
AF Modes
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
Current Price $1,820.00 $3,198.00 $1,820.00