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Panasonic G3 vs Pentax K-1

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax K-1 front
Portability
55
Imaging
76
Features
82
Overall
78

Panasonic G3 vs Pentax K-1 Key Specs

Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Launched July 2011
  • Replaced the Panasonic G2
  • Replacement is Panasonic G5
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
  • Announced February 2016
  • New Model is Pentax K-1 II
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Panasonic G3 vs Pentax K-1 Overview

Here is a in depth overview of the Panasonic G3 and Pentax K-1, one being a Entry-Level Mirrorless and the latter is a Advanced DSLR by rivals Panasonic and Pentax. There exists a huge gap among the image resolutions of the G3 (16MP) and K-1 (36MP) and the G3 (Four Thirds) and K-1 (Full frame) provide totally different sensor measurements.

Photography Glossary

The G3 was brought out 5 years before the K-1 and that is a fairly significant gap as far as camera technology is concerned. Each of these cameras feature different body design with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K-1 being a Mid-size SLR camera.

Before we go straight to a thorough comparison, here is a brief summary of how the G3 scores against the K-1 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic G3 over the Pentax K-1

 G3 K-1 
Selfie screen Take selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-1 over the Panasonic G3

 K-1 G3 
AnnouncedFebruary 2016July 2011Fresher by 56 months
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kCrisper screen (+577k dot)

Common features in the Panasonic G3 and Pentax K-1

 G3 K-1 
Manual focus Dial precise focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen

Panasonic G3 vs Pentax K-1 Physical Comparison

If you are planning to carry your camera, you should consider its weight and proportions. The Panasonic G3 offers exterior dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") and a weight of 336 grams (0.74 lbs) while the Pentax K-1 has measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs).

Check the Panasonic G3 and Pentax K-1 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using at the time. Here is a front view measurements comparison of the G3 and the K-1.

Panasonic G3 vs Pentax K-1 size comparison

Using dimensions and weight, the portability score of the G3 and K-1 is 83 and 55 respectively.

Panasonic G3 vs Pentax K-1 top view buttons comparison

Panasonic G3 vs Pentax K-1 Sensor Comparison

Sometimes, it's difficult to visualise the contrast in sensor sizing just by going through a spec sheet. The visual below should give you a stronger sense of the sensor dimensions in the G3 and K-1.

Clearly, both of the cameras come with different megapixel count and different sensor sizing. The G3 because of its smaller sensor will make getting shallow depth of field more difficult and the Pentax K-1 will produce greater detail having its extra 20 Megapixels. Higher resolution will also make it easier to crop shots a good deal more aggressively. The older G3 will be behind with regard to sensor innovation.

Panasonic G3 vs Pentax K-1 sensor size comparison

Panasonic G3 vs Pentax K-1 Screen and ViewFinder

Panasonic G3 vs Pentax K-1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G3 Portrait photography details
Pentax K-1 Portrait photography details
70
focusing manually
good megapixels (16MP)
nice sensor size (Four Thirds)
has face detection autofocus
saves RAW formats
85
has manual focus
amazing megapixels (36 megapixels)
sensor size is large (Full frame)
offers face detection focus
exports RAW files
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Street Comparison

Panasonic G3 as a Street photography camera
Pentax K-1 as a Street photography camera
75
screen articulates fully
nice sensor size (Four Thirds)
saves RAW formats
includes touch to focus
no image stabilization
70
screen can move to multiple angles
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
weather sealing
very good high ISO (204,800)
heavier than competitors in class (1,010 grams)
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Sports Comparison

Panasonic G3 Sports photography advice
Pentax K-1 Sports photography advice
46
good megapixels (16MP)
nice sensor size (Four Thirds)
has tracking autofocus
max fps very slow (4.0 frames per second)
no image stabilization
bad battery (270 shots)
no phase detect autofocus
76
high shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
amazing megapixels (36MP)
sensor size is large (Full frame)
offers tracking autofocus
weather sealing
sensor has phase detect auto focus
slow frames per second (4.4 frames per second)
terrible battery power (760 shots)
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Travel Comparison

Panasonic G3 Travel photography information
Pentax K-1 Travel photography information
70
includes touch to focus
good megapixels (16MP)
flash built-in
selfie friendly screen
lack of Timelapse mode
bad battery (270 shots)
53
weather sealing
amazing megapixels (36 megapixels)
terrible battery power (760 CIPA)
heavier than competitors in class (1,010 grams)
doesn't contain selfie friendly screen
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Landscape Comparison

Panasonic G3 Landscape photography information
Pentax K-1 Landscape photography information
62
focusing manually
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3")
good megapixels (16 megapixels)
nice sensor size (Four Thirds)
saves RAW formats
no image stabilization
bad battery (270 shots)
lack of Timelapse mode
81
has manual focus
change lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
amazing megapixels (36 megapixels)
sensor size is large (Full frame)
no anti aliasing filter
very good high ISO (204,800)
exports RAW files
weather sealing
has double storage slots
terrible battery power (760 CIPA)
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Vlogging Comparison

Vlogging with Panasonic G3
Vlogging with Pentax K-1
70
selfie friendly screen
built-in touchscreen
has face detection autofocus
video resolution high (1920 x 1080 pixels)
no image stabilization
lack of external microphone port
31
built in image stabilization (Sensor based 5-axis)
offers face detection focus
video resolution high (1920 x 1080 pxls)
includes external mic port
doesn't contain selfie friendly screen
heavier than competitors in class (1,010 grams)
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Panasonic G3 vs Pentax K-1 Specifications

Detailed spec comparison table for Panasonic G3 and Pentax K-1
 Panasonic Lumix DMC-G3Pentax K-1
General Information
Make Panasonic Pentax
Model Panasonic Lumix DMC-G3 Pentax K-1
Class Entry-Level Mirrorless Advanced DSLR
Launched 2011-07-11 2016-02-17
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine FHD -
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.9 x 24mm
Sensor surface area 224.9mm² 861.6mm²
Sensor resolution 16 megapixels 36 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4592 x 3448 7360 x 4912
Max native ISO 6400 204800
Lowest native ISO 160 100
RAW data
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 23 33
Cross focus points - 25
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1
Screen
Range of screen Fully Articulated Fully Articulated
Screen diagonal 3 inches 3.2 inches
Resolution of screen 460 thousand dot 1,037 thousand dot
Selfie friendly
Liveview
Touch friendly
Screen technology TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 1,440 thousand dot -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.7x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting speed 4.0 frames per sec 4.4 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 11.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Slow Sync 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
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/160 seconds 1/200 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps)) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Max video resolution 1920x1080 1920x1080
Video data format AVCHD, Motion JPEG MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Built-in
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 336 grams (0.74 lbs) 1010 grams (2.23 lbs)
Physical dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 137 x 110 x 86mm (5.4" x 4.3" x 3.4")
DXO scores
DXO All around score 56 96
DXO Color Depth score 21.0 25.4
DXO Dynamic range score 10.6 14.6
DXO Low light score 667 3280
Other
Battery life 270 photographs 760 photographs
Form of battery Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec, custom)
Time lapse feature
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC (UHS-I)
Storage slots 1 Two
Pricing at launch $500 $1,499