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Panasonic GF3 vs Pentax K100D

Portability
90
Imaging
48
Features
48
Overall
48
Panasonic Lumix DMC-GF3 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Panasonic GF3 vs Pentax K100D Key Specs

Panasonic GF3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 264g - 108 x 67 x 32mm
  • Launched August 2011
  • Replaced the Panasonic GF2
  • Successor is Panasonic GF5
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Announced December 2006
  • Successor is Pentax K100D S
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Panasonic GF3 vs Pentax K100D Overview

The following is a complete review of the Panasonic GF3 versus Pentax K100D, one is a Entry-Level Mirrorless and the other is a Entry-Level DSLR by brands Panasonic and Pentax. There exists a crucial gap among the image resolutions of the GF3 (12MP) and K100D (6MP) and the GF3 (Four Thirds) and K100D (APS-C) possess different sensor dimensions.

Photography Glossary

The GF3 was introduced 4 years after the K100D which is a fairly serious gap as far as camera technology is concerned. Each of the cameras offer different body type with the Panasonic GF3 being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before we go in to a in depth comparison, below is a concise summation of how the GF3 matches up vs the K100D with regard to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GF3 over the Pentax K100D

 GF3 K100D 
AnnouncedAugust 2011December 2006Newer by 58 months
Display sizing3"2.5"Larger display (+0.5")
Display resolution460k210kCrisper display (+250k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K100D over the Panasonic GF3

 K100D GF3 

Common features in the Panasonic GF3 and Pentax K100D

 GF3 K100D 
Manually focus More accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen

Panasonic GF3 vs Pentax K100D Physical Comparison

If you are going to travel with your camera, you are going to need to factor its weight and proportions. The Panasonic GF3 enjoys outer measurements of 108mm x 67mm x 32mm (4.3" x 2.6" x 1.3") with a weight of 264 grams (0.58 lbs) and the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

See the Panasonic GF3 versus Pentax K100D in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at the time. Below is the front view dimensions comparison of the GF3 versus the K100D.

Panasonic GF3 vs Pentax K100D size comparison

Taking into account dimensions and weight, the portability rating of the GF3 and K100D is 90 and 64 respectively.

Panasonic GF3 vs Pentax K100D top view buttons comparison

Panasonic GF3 vs Pentax K100D Sensor Comparison

Normally, it is tough to imagine the difference in sensor dimensions only by going through specs. The image underneath may provide you a clearer sense of the sensor measurements in the GF3 and K100D.

All in all, both of these cameras offer different megapixels and different sensor dimensions. The GF3 using its smaller sensor is going to make achieving shallow depth of field harder and the Panasonic GF3 will show extra detail using its extra 6MP. Greater resolution will also enable you to crop photos a little more aggressively. The newer GF3 should have an edge when it comes to sensor innovation.

Panasonic GF3 vs Pentax K100D sensor size comparison

Panasonic GF3 vs Pentax K100D Screen and ViewFinder

Panasonic GF3 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GF3 Portrait photography information
Pentax K100D Portrait photography information
55
manual focus
sensor size is decent (Four Thirds)
comes with face detection focusing
exports RAW files
no external flash support
sensor resolution not great (12 megapixels)
51
manual focus
decent sensor size (APS-C)
exports RAW formats
doesn't have liveview
low megapixels (6MP)
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Street Comparison

Panasonic GF3 Street photography highlights
Pentax K100D Street photography highlights
70
sensor size is decent (Four Thirds)
exports RAW files
provides touch to focus
no articulating screen
does not have image stabilization
58
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
screen is fixed
heavier than others in class (660g)
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Sports Comparison

Panasonic GF3 Sports photography info
Pentax K100D Sports photography info
38
sensor size is decent (Four Thirds)
comes with tracking autofocus
very slow continuous shooting (3.0 fps)
does not have image stabilization
sensor resolution not great (12 megapixels)
not so great battery power (300 shots)
does not have phase detect AF
47
image stabilization (Sensor based)
decent sensor size (APS-C)
has phase detect auto focus
doesn't have liveview
painfully slow continuous shooting (3.0 frames/s)
low megapixels (6 megapixels)
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Travel Comparison

Travel photography with Panasonic GF3
Travel photography with Pentax K100D
58
provides touch to focus
has built in flash
no Time Lapse mode
not so great battery power (300 CIPA)
sensor resolution not great (12MP)
doesn't offer selfie friendly screen
42
built-in flash
no Time Lapse recording
heavier than others in class (660g)
low megapixels (6 megapixels)
doesn't have a selfie friendly screen
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Landscape Comparison

Panasonic GF3 Landscape photography highlights
Pentax K100D Landscape photography highlights
55
manual focus
swap lenses (Micro Four Thirds mount)
screen size is decent (3")
sensor size is decent (Four Thirds)
exports RAW files
does not have image stabilization
sensor resolution not great (12 megapixels)
not so great battery power (300 shots)
no Time Lapse mode
52
manual focus
swap lenses (Pentax KAF mount)
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
tiny screen (2.5 inch)
doesn't have liveview
low megapixels (6MP)
no Time Lapse recording
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Vlogging Comparison

Panasonic GF3 Vlogging factors
Pentax K100D Vlogging factors
32
built-in touchscreen
comes with face detection focusing
high quality video (1920 x 1080 resolution)
doesn't offer selfie friendly screen
does not have image stabilization
no external mic socket
9
can't shoot video
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Panasonic GF3 vs Pentax K100D Specifications

Detailed spec comparison table for Panasonic GF3 and Pentax K100D
 Panasonic Lumix DMC-GF3Pentax K100D
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DMC-GF3 Pentax K100D
Type Entry-Level Mirrorless Entry-Level DSLR
Launched 2011-08-11 2006-12-03
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Processor Venus Engine FHD -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 12MP 6MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 4000 x 3000 3008 x 2008
Highest native ISO 6400 3200
Min native ISO 160 200
RAW photos
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 23 11
Lens
Lens support Micro Four Thirds Pentax KAF
Available lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3" 2.5"
Screen resolution 460 thousand dots 210 thousand dots
Selfie friendly
Liveview
Touch function
Screen technology TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 6.30 m -
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye reduction
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/160 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720p (60, 30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Highest video resolution 1920x1080 None
Video format AVCHD, Motion JPEG -
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 264 gr (0.58 pounds) 660 gr (1.46 pounds)
Dimensions 108 x 67 x 32mm (4.3" x 2.6" x 1.3") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around rating 50 not tested
DXO Color Depth rating 20.6 not tested
DXO Dynamic range rating 10.1 not tested
DXO Low light rating 459 not tested
Other
Battery life 300 photographs -
Style of battery Battery Pack -
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC SD/MMC card
Card slots Single Single
Pricing at launch $360 $0