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Panasonic G3 vs Pentax K100D S

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Panasonic G3 vs Pentax K100D S 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
  • Earlier Model is Panasonic G2
  • Updated by Panasonic G5
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Revealed June 2007
  • Replaced the Pentax K100D
  • Renewed by Pentax K200D
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Panasonic G3 vs Pentax K100D S Overview

In this write-up, we will be analyzing the Panasonic G3 versus Pentax K100D S, one being a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by rivals Panasonic and Pentax. There is a sizeable difference between the resolutions of the G3 (16MP) and K100D S (6MP) and the G3 (Four Thirds) and K100D S (APS-C) enjoy totally different sensor size.

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The G3 was announced 4 years later than the K100D S and that is quite a large gap as far as tech is concerned. Both the cameras offer different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before going in to a detailed comparison, below is a brief overview of how the G3 scores versus the K100D S when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Panasonic G3 over the Pentax K100D S

 G3 K100D S 
RevealedJuly 2011June 2007More recent by 50 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution460k210kCrisper screen (+250k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K100D S over the Panasonic G3

 K100D S G3 

Common features in the Panasonic G3 and Pentax K100D S

 G3 K100D S 
Manually focus Very precise focus

Panasonic G3 vs Pentax K100D S Physical Comparison

For anyone who is going to lug around your camera often, you'll need to think about its weight and size. The Panasonic G3 has got exterior measurements of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") and a weight of 336 grams (0.74 lbs) and the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs).

Look at the Panasonic G3 versus Pentax K100D S in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that moment. Below is the front view dimensions comparison of the G3 compared to the K100D S.

Panasonic G3 vs Pentax K100D S size comparison

Using size and weight, the portability rating of the G3 and K100D S is 83 and 65 respectively.

Panasonic G3 vs Pentax K100D S top view buttons comparison

Panasonic G3 vs Pentax K100D S Sensor Comparison

In many cases, it is very difficult to envision the contrast between sensor measurements simply by reading specs. The photograph here may offer you a greater sense of the sensor measurements in the G3 and K100D S.

As you can plainly see, both of these cameras enjoy different megapixel count and different sensor measurements. The G3 with its tinier sensor will make achieving shallow depth of field tougher and the Panasonic G3 will offer you more detail with its extra 10 Megapixels. Higher resolution will also let you crop pictures far more aggressively. The more modern G3 is going to have an advantage with regard to sensor tech.

Panasonic G3 vs Pentax K100D S sensor size comparison

Panasonic G3 vs Pentax K100D S Screen and ViewFinder

Panasonic G3 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G3 Portrait photography details
Pentax K100D S Portrait photography details
70
focusing manually
megapixel count decent (16 megapixels)
nice sensor size (Four Thirds)
comes with face detection autofocus
delivers RAW formats
51
focusing manually
nice sensor size (APS-C)
supports RAW formats
does not have liveview
low resolution sensor (6 megapixels)
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Street Comparison

Panasonic G3 Street photography highlights
Pentax K100D S Street photography highlights
75
screen can move to multiple angles
nice sensor size (Four Thirds)
delivers RAW formats
boasts focus via touch
no image stabilization
64
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
screen is fixed
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Sports Comparison

Panasonic G3 as a Sports photography camera
Pentax K100D S as a Sports photography camera
46
megapixel count decent (16MP)
nice sensor size (Four Thirds)
comes with tracking autofocus
painfully slow continuous shooting (4.0 fps)
no image stabilization
terrible battery life (270 CIPA)
lack of phase detect autofocus
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
has phase detect auto focus
does not have liveview
very slow continuous shooting (3.0 frames/s)
low resolution sensor (6MP)
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Travel Comparison

Panasonic G3 Travel photography factors
Pentax K100D S Travel photography factors
70
boasts focus via touch
megapixel count decent (16 megapixels)
flash built-in
screen is selfie friendly
doesn't have Time Lapse recording
terrible battery life (270 shots)
45
has built in flash
doesn't have Timelapse function
low resolution sensor (6MP)
does not posses selfie friendly screen
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Landscape Comparison

Panasonic G3 Landscape photography information
Pentax K100D S Landscape photography information
62
focusing manually
change lenses (Micro Four Thirds mount)
screen size is good (3")
megapixel count decent (16 megapixels)
nice sensor size (Four Thirds)
delivers RAW formats
no image stabilization
terrible battery life (270 per charge)
doesn't have Time Lapse recording
52
focusing manually
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
screen is somewhat small (2.5 inches)
does not have liveview
low resolution sensor (6 megapixels)
doesn't have Timelapse function
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Vlogging Comparison

Panasonic G3 Vlogging information
Pentax K100D S Vlogging information
70
screen is selfie friendly
has touchscreen
comes with face detection autofocus
high quality video (1920 x 1080 pxls)
no image stabilization
doesn't have external mic port
9
lack of video recording
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Panasonic G3 vs Pentax K100D S Specifications

Detailed spec comparison table for Panasonic G3 and Pentax K100D S
 Panasonic Lumix DMC-G3Pentax K100D Super
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DMC-G3 Pentax K100D Super
Type Entry-Level Mirrorless Entry-Level DSLR
Launched 2011-07-11 2007-06-28
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Chip Venus Engine FHD -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor area 224.9mm² 369.0mm²
Sensor resolution 16 megapixels 6 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 4592 x 3448 3008 x 2008
Max native ISO 6400 3200
Minimum native ISO 160 200
RAW files
Autofocusing
Manual focusing
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 23 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Type of screen Fully Articulated Fixed Type
Screen diagonal 3" 2.5"
Resolution of screen 460k dots 210k dots
Selfie friendly
Liveview
Touch capability
Screen tech TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 1,440k dots -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.7x 0.57x
Features
Min shutter speed 60s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter rate 4.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance 11.00 m -
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye reduction
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/160s 1/180s
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)) -
Max video resolution 1920x1080 None
Video data format AVCHD, Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 336g (0.74 lbs) 646g (1.42 lbs)
Dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO Overall rating 56 not tested
DXO Color Depth rating 21.0 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 667 not tested
Other
Battery life 270 images -
Form of battery Battery Pack -
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC card
Card slots Single Single
Pricing at release $500 $520