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Pentax K-1 II vs Sony G3

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Pentax K-1 II vs Sony G3 Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Announced February 2018
  • Superseded the Pentax K-1
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Revealed January 2009
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Pentax K-1 II vs Sony G3 Overview

Its time to take a closer look at the Pentax K-1 II and Sony G3, former is a Advanced DSLR while the latter is a Small Sensor Compact by competitors Pentax and Sony. There is a sizable difference between the image resolutions of the K-1 II (36MP) and G3 (10MP) and the K-1 II (Full frame) and G3 (1/2.3") enjoy totally different sensor sizes.

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The K-1 II was unveiled 9 years after the G3 which is quite a significant difference as far as tech is concerned. Both cameras come with different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony G3 being a Compact camera.

Before we go in to a complete comparison, below is a short view of how the K-1 II matches up against the G3 when it comes to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 II over the Sony G3

 K-1 II G3 
RevealedFebruary 2018January 2009More modern by 112 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1037k921kSharper screen (+116k dot)

Reasons to pick Sony G3 over the Pentax K-1 II

 G3 K-1 II 
Screen dimension3.5"3.2"Bigger screen (+0.3")
Touch friendly screen Quickly navigate

Common features in the Pentax K-1 II and Sony G3

 K-1 II G3 
Manual focus Dial exact focus
Selfie screen Neither provides selfie screen

Pentax K-1 II vs Sony G3 Physical Comparison

If you are intending to carry around your camera frequently, you'll have to consider its weight and measurements. The Pentax K-1 II provides external dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) while the Sony G3 has proportions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

Analyze the Pentax K-1 II and Sony G3 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you choose at the time. Below is the front view size comparison of the K-1 II compared to the G3.

Pentax K-1 II vs Sony G3 size comparison

Factoring in size and weight, the portability grade of the K-1 II and G3 is 55 and 94 respectively.

Pentax K-1 II vs Sony G3 top view buttons comparison

Pentax K-1 II vs Sony G3 Sensor Comparison

Often, it's hard to envision the gap between sensor sizes only by checking a spec sheet. The pic underneath may give you a greater sense of the sensor sizes in the K-1 II and G3.

As you can see, both of the cameras posses different megapixel count and different sensor sizes. The K-1 II having a bigger sensor will make achieving shallow DOF less difficult and the Pentax K-1 II will resolve greater detail having an extra 26MP. Higher resolution will help you crop pictures somewhat more aggressively. The newer K-1 II is going to have an edge with regard to sensor innovation.

Pentax K-1 II vs Sony G3 sensor size comparison

Pentax K-1 II vs Sony G3 Screen and ViewFinder

Pentax K-1 II vs Sony G3 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-1 II Portrait photography advice
Sony G3 Portrait photography advice
86
you can focus manually
megapixel count amazing (36 megapixels)
sensor size is great (Full frame)
supports face detect focus
saves RAW files
26
you can focus manually
no manual control
external flash not possible
low MP (10MP)
sensor size is small (1/2.3")
no RAW support
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Street Comparison

Pentax K-1 II Street photography details
Sony G3 Street photography details
70
fully articulated screen
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
saves RAW files
weather proofing
above average ISO range (819,200)
more heavy than competition in class (1,010g)
56
image stabilization (Optical)
fixed screen
sensor size is small (1/2.3")
no RAW support
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Sports Comparison

Pentax K-1 II Sports photography advice
Sony G3 Sports photography advice
77
max shutter speed is good (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (36 megapixels)
sensor size is great (Full frame)
supports tracking focus
weather proofing
has phase detect auto focus
slow continuous shooting (4.4 fps)
low battery (670 per charge)
23
image stabilization (Optical)
maximum shutter speed is a little low (1/1,000s)
max frames per second very slow (2.0 fps)
no shutter priority
low MP (10 megapixels)
sensor size is small (1/2.3")
no phase detect auto focus
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Travel Comparison

Pentax K-1 II Travel photography info
Sony G3 Travel photography info
53
weather proofing
megapixel count amazing (36MP)
low battery (670 per charge)
more heavy than competition in class (1,010 grams)
screen isn't selfie friendly
50
flash built-in
doesn't have Time Lapse recording
low MP (10 megapixels)
does not have selfie friendly screen
wide angle not great (35mm)
slow max aperture (f3.5)
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Landscape Comparison

Pentax K-1 II Landscape photography factors
Sony G3 Landscape photography factors
82
you can focus manually
swap lenses (Pentax KAF4 mount)
screen size is good (3.2 inch)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (36MP)
sensor size is great (Full frame)
does not have anti aliasing filter
above average ISO range (819,200)
saves RAW files
weather proofing
two card slots
low battery (670 per charge)
36
you can focus manually
bigger than average screen (3.5")
image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not great (35mm)
slow max aperture (f3.5)
no manual control
low MP (10MP)
sensor size is small (1/2.3")
no RAW support
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K-1 II
Vlogging with Sony G3
32
built in image stabilization (Sensor based 5-axis)
supports face detect focus
great video quality (1920 x 1080 pixels)
has microphone socket
screen isn't selfie friendly
more heavy than competition in class (1,010g)
27
touchscreen enabled
image stabilization (Optical)
wide angle not great (35mm)
slow max aperture (f3.5)
does not have selfie friendly screen
low quality video (640 x 480 pixels)
doesn't have external mic port
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Pentax K-1 II vs Sony G3 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony G3
 Pentax K-1 Mark IISony Cyber-shot DSC-G3
General Information
Brand Name Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-G3
Type Advanced DSLR Small Sensor Compact
Announced 2018-02-22 2009-01-08
Body design Mid-size SLR Compact
Sensor Information
Powered by PRIME IV -
Sensor type CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.9 x 24mm 6.17 x 4.55mm
Sensor area 861.6mm² 28.1mm²
Sensor resolution 36 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest Possible resolution 7360 x 4912 3648 x 2736
Maximum native ISO 819200 3200
Lowest native ISO 100 80
RAW pictures
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Single autofocus
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 9
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 fixed lens
Lens focal range - 35-140mm (4.0x)
Max aperture - f/3.5-10.0
Number of lenses 151 -
Focal length multiplier 1 5.8
Screen
Screen type Fully Articulated Fixed Type
Screen diagonal 3.2 inches 3.5 inches
Screen resolution 1,037 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.7x -
Features
Min shutter speed 30 seconds 1 seconds
Max shutter speed 1/8000 seconds 1/1000 seconds
Continuous shutter speed 4.4 frames/s 2.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash range no built-in flash 4.30 m (Auto ISO)
Flash options 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, On, Off, Red-Eye reduction, Slow Sync
External flash
AE bracketing
WB bracketing
Max flash sync 1/200 seconds -
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) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1920x1080 640x480
Video data format MPEG-4, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
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 None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 gr (2.23 lb) 185 gr (0.41 lb)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 670 pictures -
Type of battery Battery Pack -
Battery model D-LI90 -
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC (UHS-I) Memory Stick Duo/Pro Duo, Internal
Storage slots 2 1
Launch pricing $1,737 $200