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Panasonic GM1 vs Pentax VS20

Portability
93
Imaging
53
Features
60
Overall
55
Panasonic Lumix DMC-GM1 front
 
Pentax Optio VS20 front
Portability
90
Imaging
39
Features
35
Overall
37

Panasonic GM1 vs Pentax VS20 Key Specs

Panasonic GM1
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 200 - 25600
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 204g - 99 x 55 x 30mm
  • Announced December 2013
  • Successor is Panasonic GM5
Pentax VS20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-560mm (F3.1-4.8) lens
  • 235g - 111 x 61 x 38mm
  • Launched January 2012
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Panasonic GM1 vs Pentax VS20 Overview

In this write-up, we will be analyzing the Panasonic GM1 vs Pentax VS20, former is a Entry-Level Mirrorless while the latter is a Small Sensor Superzoom by brands Panasonic and Pentax. The image resolution of the GM1 (16MP) and the VS20 (16MP) is relatively well matched but the GM1 (Four Thirds) and VS20 (1/2.3") possess totally different sensor sizes.

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The GM1 was unveiled 24 months after the VS20 which makes the cameras a generation away from one another. The two cameras offer different body type with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax VS20 being a Compact camera.

Before delving straight into a comprehensive comparison, below is a quick view of how the GM1 grades against the VS20 when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GM1 over the Pentax VS20

 GM1 VS20 
LaunchedDecember 2013January 2012Newer by 24 months
Screen resolution1036k460kSharper screen (+576k dot)
Touch friendly screen Quickly navigate

Reasons to pick Pentax VS20 over the Panasonic GM1

 VS20 GM1 

Common features in the Panasonic GM1 and Pentax VS20

 GM1 VS20 
Focus manually More accurate focus
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen dimensions
Selfie screen Neither features selfie screen

Panasonic GM1 vs Pentax VS20 Physical Comparison

For anybody who is planning to travel with your camera often, you are going to need to factor in its weight and proportions. The Panasonic GM1 enjoys outside measurements of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") having a weight of 204 grams (0.45 lbs) whilst the Pentax VS20 has measurements of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") having a weight of 235 grams (0.52 lbs).

Take a look at the Panasonic GM1 vs Pentax VS20 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change depending on the lens you are utilizing at the time. Following is the front view scale comparison of the GM1 vs the VS20.

Panasonic GM1 vs Pentax VS20 size comparison

Factoring in dimensions and weight, the portability score of the GM1 and VS20 is 93 and 90 respectively.

Panasonic GM1 vs Pentax VS20 top view buttons comparison

Panasonic GM1 vs Pentax VS20 Sensor Comparison

Quite often, it can be tough to see the gap between sensor dimensions simply by checking a spec sheet. The pic below may give you a much better sense of the sensor measurements in the GM1 and VS20.

Clearly, the 2 cameras enjoy the same exact megapixels albeit not the same sensor dimensions. The GM1 includes the bigger sensor which is going to make getting shallower DOF simpler. The more modern GM1 will have a benefit with regard to sensor technology.

Panasonic GM1 vs Pentax VS20 sensor size comparison

Panasonic GM1 vs Pentax VS20 Screen and ViewFinder

Panasonic GM1 vs Pentax VS20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GM1 Portrait photography highlights
Pentax VS20 Portrait photography highlights
65
manual focus
decent megapixels (16 megapixels)
sensor size is good (Four Thirds)
includes face detection focusing
supports RAW files
cannot use external flash
36
focusing manually
good resolution (16 megapixels)
no manual control
can't use external flash
tiny sensor (1/2.3")
has no RAW support
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Street Comparison

Street photography with Panasonic GM1
Street photography with Pentax VS20
77
sensor size is good (Four Thirds)
supports RAW files
has touch focus
lighter than competitors (204 grams)
above average high ISO (25,600)
screen is fixed
does not have image stabilization
61
built in image stabilization (Sensor-shift)
lighter than average (235g)
no moving screen
tiny sensor (1/2.3")
has no RAW support
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Sports Comparison

Panasonic GM1 Sports photography advice
Pentax VS20 Sports photography advice
48
silent mode (1/16,000s)
decent megapixels (16MP)
sensor size is good (Four Thirds)
includes tracking autofocus
low max shutter speed (1/500s)
low fps (5.0 frames/s)
does not have image stabilization
terrible battery pack (230 shots)
lack of phase detect AF
44
great zoom range (28-560mm 20.0 x zoom)
built in image stabilization (Sensor-shift)
good resolution (16MP)
supports tracking focus
max frames per second very slow (1.0 frames/s)
lack of shutter priority mode
tiny sensor (1/2.3")
has no phase detect AF
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Travel Comparison

Travel photography with Panasonic GM1
Travel photography with Pentax VS20
74
lighter than competitors (204 grams)
has touch focus
decent megapixels (16 megapixels)
flash built-in
terrible battery pack (230 per charge)
screen isn't selfie friendly
68
lighter than average (235 grams)
good resolution (16 megapixels)
flash built-in
relatively wide (28mm)
long reach (560mm)
lack of Timelapse mode
does not have a selfie friendly display
sluggish max aperture (f3.1)
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Landscape Comparison

Panasonic GM1 Landscape photography highlights
Pentax VS20 Landscape photography highlights
69
manual focus
swap lenses (Micro Four Thirds mount)
nice screen size (3 inches)
decent megapixels (16 megapixels)
sensor size is good (Four Thirds)
above average high ISO (25,600)
supports RAW files
does not have image stabilization
terrible battery pack (230 shots)
47
focusing manually
relatively wide (28mm)
pretty good screen size (3 inch)
built in image stabilization (Sensor-shift)
good resolution (16MP)
lens is fixed (fixed lens mount)
sluggish max aperture (f3.1)
no manual control
tiny sensor (1/2.3")
has no RAW support
lack of Timelapse mode
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Vlogging Comparison

Panasonic GM1 Vlogging advice
Pentax VS20 Vlogging advice
35
touchscreen
includes face detection focusing
video res high (1920 x 1080 pxls)
lighter than competitors (204g)
screen isn't selfie friendly
does not have image stabilization
lack of external microphone socket
30
relatively wide (28mm)
built in image stabilization (Sensor-shift)
lighter than average (235 grams)
sluggish max aperture (f3.1)
does not have a selfie friendly display
low quality video (1280 x 720 pxls)
lack of microphone socket
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Panasonic GM1 vs Pentax VS20 Specifications

Detailed spec comparison table for Panasonic GM1 and Pentax VS20
 Panasonic Lumix DMC-GM1Pentax Optio VS20
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-GM1 Pentax Optio VS20
Class Entry-Level Mirrorless Small Sensor Superzoom
Announced 2013-12-19 2012-01-25
Physical type Rangefinder-style mirrorless Compact
Sensor Information
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.08 x 4.56mm
Sensor area 224.9mm² 27.7mm²
Sensor resolution 16 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Highest Possible resolution 4592 x 3448 4608 x 3456
Maximum native ISO 25600 6400
Lowest native ISO 200 100
RAW files
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 23 3
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 28-560mm (20.0x)
Maximum aperture - f/3.1-4.8
Macro focusing distance - 3cm
Available lenses 107 -
Crop factor 2.1 5.9
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Resolution of display 1,036 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch functionality
Display tech TFT Color LCD with wide-viewing angle TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 60 seconds 4 seconds
Fastest shutter speed 1/500 seconds 1/2500 seconds
Fastest quiet shutter speed 1/16000 seconds -
Continuous shutter rate 5.0fps 1.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Inbuilt flash
Flash distance 4.00 m 2.80 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize 1/50 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1920x1080 1280x720
Video file format MPEG-4, AVCHD Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
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 204 grams (0.45 lb) 235 grams (0.52 lb)
Dimensions 99 x 55 x 30mm (3.9" x 2.2" x 1.2") 111 x 61 x 38mm (4.4" x 2.4" x 1.5")
DXO scores
DXO Overall rating 66 not tested
DXO Color Depth rating 22.3 not tested
DXO Dynamic range rating 11.7 not tested
DXO Low light rating 660 not tested
Other
Battery life 230 shots -
Battery type Battery Pack -
Battery ID - D-LI122
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Card slots Single Single
Price at release $750 $106