Clicky

Pentax K-3 II vs Sony A77 II

Portability
59
Imaging
66
Features
84
Overall
73
Pentax K-3 II front
 
Sony SLT-A77 II front
Portability
62
Imaging
66
Features
85
Overall
73

Pentax K-3 II vs Sony A77 II Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Introduced April 2015
  • Previous Model is Pentax K-3
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Introduced May 2014
  • Earlier Model is Sony A77
Body cameras now worn by bakery staff to deter stealing

Pentax K-3 II vs Sony A77 II Overview

Below is a extensive analysis of the Pentax K-3 II and Sony A77 II, both Advanced DSLR cameras by manufacturers Pentax and Sony. The resolution of the K-3 II (24MP) and the A77 II (24MP) is pretty comparable and they feature the same exact sensor dimensions (APS-C).

Samsung Releases Faster Versions of EVO MicroSD Cards

The K-3 II was revealed 12 months later than the A77 II which means that they are both of a similar generation. Each of the cameras offer the identical body type (Mid-size SLR).

Before getting in to a complete comparison, below is a quick highlight of how the K-3 II grades against the A77 II in relation to portability, imaging, features and an overall grade.

Sora from OpenAI releases its first ever music video
	
	

Reasons to pick Pentax K-3 II over the Sony A77 II

 K-3 II A77 II 
IntroducedApril 2015May 2014More recent by 12 months
Screen sizing3.2"3"Bigger screen (+0.2")

Reasons to pick Sony A77 II over the Pentax K-3 II

 A77 II K-3 II 
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1229k1037kCrisper screen (+192k dot)
Selfie screen Easy selfies

Common features in the Pentax K-3 II and Sony A77 II

 K-3 II A77 II 
Focus manually More precise focus
Touch friendly screen Neither contains Touch friendly screen

Pentax K-3 II vs Sony A77 II Physical Comparison

In case you're planning to lug around your camera frequently, you'll have to take into account its weight and dimensions. The Pentax K-3 II has got outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs) while the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).

Check out the Pentax K-3 II and Sony A77 II in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that time. The following is the front view physical size comparison of the K-3 II against the A77 II.

Pentax K-3 II vs Sony A77 II size comparison

Using dimensions and weight, the portability rating of the K-3 II and A77 II is 59 and 62 respectively.

Pentax K-3 II vs Sony A77 II top view buttons comparison

Pentax K-3 II vs Sony A77 II Sensor Comparison

Normally, it is tough to imagine the contrast in sensor measurements purely by checking out specs. The photograph underneath will help offer you a better sense of the sensor sizes in the K-3 II and A77 II.

All in all, both the cameras enjoy the same exact sensor sizing and the identical megapixels therefore you should expect comparable quality of pictures although you should factor the release date of the cameras into account. The newer K-3 II should have an advantage when it comes to sensor technology.

Pentax K-3 II vs Sony A77 II sensor size comparison

Pentax K-3 II vs Sony A77 II Screen and ViewFinder

Pentax K-3 II vs Sony A77 II Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-3 II Portrait photography info
Sony A77 II Portrait photography info
79
has manual focus
resolution is good (24MP)
sensor size is nice (APS-C)
includes face detect focus
saves RAW formats
79
manual focus
resolution is good (24 megapixels)
decent sensor size (APS-C)
features face detect focusing
exports RAW files
Cutting-edge AI developed by Apple deciphers subtle nuances in pixels

Street Comparison

Pentax K-3 II Street photography features
Sony A77 II Street photography features
69
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
weather proofing
very good high ISO (51,200)
no moving screen
76
screen articulates
built in image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
weather proofing
good high ISO (25,600)
Snapchat Adds Watermarks to AI-Created Images

Sports Comparison

Pentax K-3 II as a Sports photography camera
Sony A77 II as a Sports photography camera
76
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based)
resolution is good (24MP)
sensor size is nice (APS-C)
includes tracking focus
weather proofing
supports phase detect auto focus
low battery (720 shots)
76
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
decent sensor size (APS-C)
features tracking focus
weather proofing
has phase detect AF
bad battery power (480 CIPA)
Meta to Introduce 'AI-Generated' Labels for Media starting next month

Travel Comparison

Pentax K-3 II Travel photography details
Sony A77 II Travel photography details
56
weather proofing
resolution is good (24MP)
low battery (720 per charge)
display is not selfie friendly
64
weather proofing
resolution is good (24 megapixels)
flash built-in
screen is selfie friendly
doesn't have Timelapse recording
bad battery power (480 per charge)
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Landscape Comparison

Pentax K-3 II as a Landscape photography camera
Sony A77 II as a Landscape photography camera
78
has manual focus
switch lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is nice (APS-C)
does not have anti aliasing filter
very good high ISO (51,200)
saves RAW formats
weather proofing
has double storage slots
low battery (720 shots)
73
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
resolution is good (24MP)
decent sensor size (APS-C)
good high ISO (25,600)
exports RAW files
weather proofing
bad battery power (480 shots)
doesn't have Timelapse recording
Photobucket discusses licensing 13 billion images with AI firms

Vlogging Comparison

Pentax K-3 II Vlogging highlights
Sony A77 II Vlogging highlights
34
built in image stabilization (Sensor based)
includes face detect focus
high video quality (1920 x 1080 pxls)
comes with mic port
display is not selfie friendly
78
screen is selfie friendly
built in image stabilization (Sensor based)
features face detect focusing
high quality video (1920 x 1080 resolution)
has microphone jack
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Pentax K-3 II vs Sony A77 II Specifications

Detailed spec comparison table for Pentax K-3 II and Sony A77 II
 Pentax K-3 IISony SLT-A77 II
General Information
Brand Pentax Sony
Model Pentax K-3 II Sony SLT-A77 II
Category Advanced DSLR Advanced DSLR
Introduced 2015-04-23 2014-05-21
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip Prime III Bionz X
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 23.5 x 15.6mm
Sensor area 366.6mm² 366.6mm²
Sensor resolution 24 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 6016 x 4000 6000 x 4000
Maximum native ISO 51200 25600
Minimum native ISO 100 50
RAW support
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 27 79
Cross focus points 25 15
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Total lenses 151 143
Crop factor 1.5 1.5
Screen
Display type Fixed Type Fully Articulated
Display size 3.2 inches 3 inches
Display resolution 1,037k dot 1,229k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.64x 0.73x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/8000s
Continuous shooting speed 8.3fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 12.00 m (at ISO 100)
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 (available with dedicated external flash) Auto, fill, rear sync, slow sync
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/180s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
Connectivity
Wireless Optional Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800g (1.76 lbs) 647g (1.43 lbs)
Dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around score 80 82
DXO Color Depth score 23.6 24.4
DXO Dynamic range score 13.6 13.4
DXO Low light score 1106 1013
Other
Battery life 720 images 480 images
Type of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FM500H
Self timer Yes ( 2 or 12 seconds) Yes (Yes (2 or 12 sec))
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Dual Single
Cost at launch $829 $1,198