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Pentax K-1 vs Sony A77 II

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Sony SLT-A77 II front
Portability
62
Imaging
66
Features
85
Overall
73

Pentax K-1 vs Sony A77 II Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2016
  • Newer Model is Pentax K-1 II
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Launched May 2014
  • Replaced the Sony A77
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Pentax K-1 vs Sony A77 II Overview

Its time to examine more in depth at the Pentax K-1 versus Sony A77 II, both Advanced DSLR cameras by rivals Pentax and Sony. There is a noticeable difference among the resolutions of the K-1 (36MP) and A77 II (24MP) and the K-1 (Full frame) and A77 II (APS-C) enjoy totally different sensor sizing.

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The K-1 was announced 22 months after the A77 II making the cameras a generation away from each other. Both cameras offer the identical body type (Mid-size SLR).

Before getting through a complete comparison, below is a quick summary of how the K-1 scores vs the A77 II with regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-1 over the Sony A77 II

 K-1 A77 II 
LaunchedFebruary 2016May 2014Newer by 22 months
Display sizing3.2"3"Larger display (+0.2")

Reasons to pick Sony A77 II over the Pentax K-1

 A77 II K-1 
Display resolution1229k1037kCrisper display (+192k dot)
Selfie screen Easy selfies

Common features in the Pentax K-1 and Sony A77 II

 K-1 A77 II 
Manual focus Dial accurate focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Touch display Neither features Touch display

Pentax K-1 vs Sony A77 II Physical Comparison

For those who are planning to travel with your camera, you will have to think about its weight and volume. The Pentax K-1 enjoys physical measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) and the Sony A77 II has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).

Take a look at the Pentax K-1 versus Sony A77 II in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ depending on the lens you have chosen at that time. Following is the front view dimension comparison of the K-1 versus the A77 II.

Pentax K-1 vs Sony A77 II size comparison

Taking into consideration size and weight, the portability score of the K-1 and A77 II is 55 and 62 respectively.

Pentax K-1 vs Sony A77 II top view buttons comparison

Pentax K-1 vs Sony A77 II Sensor Comparison

In many cases, it is very hard to envision the difference in sensor dimensions simply by viewing specifications. The picture below will help offer you a better sense of the sensor measurements in the K-1 and A77 II.

Plainly, each of these cameras offer different megapixel count and different sensor dimensions. The K-1 having a larger sensor will make achieving shallower DOF easier and the Pentax K-1 will provide you with extra detail with its extra 12MP. Greater resolution will also enable you to crop photos a little more aggressively. The more recent K-1 is going to have a benefit in sensor tech.

Pentax K-1 vs Sony A77 II sensor size comparison

Pentax K-1 vs Sony A77 II Screen and ViewFinder

Pentax K-1 vs Sony A77 II Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-1 as a Portrait photography camera
Sony A77 II as a Portrait photography camera
85
has manual focus
high sensor resolution (36 megapixels)
great sensor size (Full frame)
has face detect focus
saves RAW files
79
manual focus
sensor resolution is decent (24 megapixels)
sensor size is nice (APS-C)
comes with face detect focus
supports RAW files
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Street Comparison

Street photography with Pentax K-1
Street photography with Sony A77 II
70
fully articulated screen
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
saves RAW files
environment proof
good high ISO (204,800)
more heavy than average in class (1,010 grams)
76
screen articulates fully
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
environment proofing
great high ISO (25,600)
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Sports Comparison

Pentax K-1 Sports photography highlights
Sony A77 II Sports photography highlights
76
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based 5-axis)
high sensor resolution (36MP)
great sensor size (Full frame)
has tracking focus
environment proof
supports phase detect auto focus
max frames per second low (4.4 frames per second)
low battery (760 shots)
76
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
sensor size is nice (APS-C)
comes with tracking focus
environment proofing
sensor has phase detect auto focus
low battery pack (480 shots)
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Travel Comparison

Pentax K-1 Travel photography information
Sony A77 II Travel photography information
53
environment proof
high sensor resolution (36 megapixels)
low battery (760 shots)
more heavy than average in class (1,010 grams)
doesn't contain selfie friendly screen
64
environment proofing
sensor resolution is decent (24MP)
built-in flash
selfie friendly screen
lack of Timelapse function
low battery pack (480 CIPA)
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Landscape Comparison

Pentax K-1 Landscape photography advice
Sony A77 II Landscape photography advice
81
has manual focus
swap lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
built in image stabilization (Sensor based 5-axis)
high sensor resolution (36MP)
great sensor size (Full frame)
no anti aliasing filter
good high ISO (204,800)
saves RAW files
environment proof
has dual storage slots
low battery (760 CIPA)
73
manual focus
change lenses (Sony/Minolta Alpha mount)
decent sized screen (3 inches)
has image stabilization (Sensor based)
sensor resolution is decent (24MP)
sensor size is nice (APS-C)
great high ISO (25,600)
supports RAW files
environment proofing
low battery pack (480 per charge)
lack of Timelapse function
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Vlogging Comparison

Pentax K-1 as a Vlogging camera
Sony A77 II as a Vlogging camera
31
built in image stabilization (Sensor based 5-axis)
has face detect focus
high res video (1920 x 1080 resolution)
comes with microphone jack
doesn't contain selfie friendly screen
more heavy than average in class (1,010 grams)
78
selfie friendly screen
has image stabilization (Sensor based)
comes with face detect focus
video resolution high (1920 x 1080 pxls)
includes microphone support
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Pentax K-1 vs Sony A77 II Specifications

Detailed spec comparison table for Pentax K-1 and Sony A77 II
 Pentax K-1Sony SLT-A77 II
General Information
Manufacturer Pentax Sony
Model Pentax K-1 Sony SLT-A77 II
Class Advanced DSLR Advanced DSLR
Introduced 2016-02-17 2014-05-21
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip - Bionz X
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.5 x 15.6mm
Sensor area 861.6mm² 366.6mm²
Sensor resolution 36 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 7360 x 4912 6000 x 4000
Highest native ISO 204800 25600
Min native ISO 100 50
RAW data
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 33 79
Cross focus points 25 15
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Total lenses 151 143
Focal length multiplier 1 1.5
Screen
Type of screen Fully Articulated Fully Articulated
Screen diagonal 3.2" 3"
Screen resolution 1,037k dots 1,229k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.73x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/8000 seconds
Continuous shutter rate 4.4 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash settings 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 Auto, fill, rear sync, slow sync
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize 1/200 seconds 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 gr (2.23 lb) 647 gr (1.43 lb)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall score 96 82
DXO Color Depth score 25.4 24.4
DXO Dynamic range score 14.6 13.4
DXO Low light score 3280 1013
Other
Battery life 760 pictures 480 pictures
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FM500H
Self timer Yes (2 or 12 sec, custom) Yes (Yes (2 or 12 sec))
Time lapse recording
Storage type Dual SD/SDHC/SDXC (UHS-I) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual One
Cost at release $1,499 $1,198