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Pentax WG-3 GPS vs Sigma fp

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sigma fp front
Portability
84
Imaging
76
Features
79
Overall
77

Pentax WG-3 GPS vs Sigma fp Key Specs

Pentax WG-3 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 238g - 125 x 64 x 33mm
  • Announced July 2013
Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Raise to 102400)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Introduced July 2019
  • Replacement is Sigma fp L
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Pentax WG-3 GPS vs Sigma fp Overview

Let's look much closer at the Pentax WG-3 GPS versus Sigma fp, one is a Waterproof and the latter is a Advanced Mirrorless by companies Pentax and Sigma. There exists a huge gap among the resolutions of the WG-3 GPS (16MP) and fp (25MP) and the WG-3 GPS (1/2.3") and fp (Full frame) boast totally different sensor sizes.

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The WG-3 GPS was announced 7 years prior to the fp which is a fairly significant gap as far as camera technology is concerned. Both cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma fp being a Rangefinder-style mirrorless camera.

Before we go straight to a step-by-step comparison, here is a quick introduction of how the WG-3 GPS matches up vs the fp in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-3 GPS over the Sigma fp

 WG-3 GPS fp 

Reasons to pick Sigma fp over the Pentax WG-3 GPS

 fp WG-3 GPS 
IntroducedJuly 2019July 2013More modern by 72 months
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution2100k460kSharper screen (+1640k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax WG-3 GPS and Sigma fp

 WG-3 GPS fp 
Manually focus More accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither contains selfie screen

Pentax WG-3 GPS vs Sigma fp Physical Comparison

For those who are looking to carry around your camera often, you should take into account its weight and size. The Pentax WG-3 GPS has got outside measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) and the Sigma fp has specifications of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") along with a weight of 422 grams (0.93 lbs).

Examine the Pentax WG-3 GPS versus Sigma fp in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you use during that time. The following is a front view sizing comparison of the WG-3 GPS versus the fp.

Pentax WG-3 GPS vs Sigma fp size comparison

Looking at dimensions and weight, the portability grade of the WG-3 GPS and fp is 90 and 84 respectively.

Pentax WG-3 GPS vs Sigma fp top view buttons comparison

Pentax WG-3 GPS vs Sigma fp Sensor Comparison

Normally, its hard to see the gap in sensor sizes merely by looking through a spec sheet. The picture below should give you a stronger sense of the sensor sizing in the WG-3 GPS and fp.

Clearly, both of those cameras have different megapixel count and different sensor sizes. The WG-3 GPS with its smaller sensor will make shooting shallow depth of field more difficult and the Sigma fp will render extra detail with its extra 9MP. Higher resolution can also let you crop pictures a bit more aggressively. The more aged WG-3 GPS will be behind in sensor tech.

Pentax WG-3 GPS vs Sigma fp sensor size comparison

Pentax WG-3 GPS vs Sigma fp Screen and ViewFinder

Pentax WG-3 GPS vs Sigma fp Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS Portrait photography information
Sigma fp Portrait photography information
41
manual focus
resolution is good (16MP)
supports face detection focus
lack of manual exposure
no external flash support
small sensor size (1/2.3")
does not have RAW support
85
manual focus
MP count excellent (25MP)
sensor size is big (Full frame)
has face detect focusing
delivers RAW formats
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Street Comparison

Pentax WG-3 GPS as a Street photography camera
Sigma fp as a Street photography camera
59
built in image stabilization (Sensor-shift)
environment proof
fixed screen
small sensor size (1/2.3")
does not have RAW support
more heavy than competition in class (238g)
77
sensor size is big (Full frame)
delivers RAW formats
boasts touch to focus
weather sealing
above average high ISO (25,600)
screen is fixed
does not have image stabilization
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Sports Comparison

Pentax WG-3 GPS as a Sports photography camera
Sigma fp as a Sports photography camera
45
built in image stabilization (Sensor-shift)
resolution is good (16MP)
supports tracking autofocus
environment proof
no shutter priority mode
small sensor size (1/2.3")
not so great battery pack (240 per charge)
does not have phase detect auto focus
73
high shutter speed (1/8,000 seconds)
MP count excellent (25MP)
sensor size is big (Full frame)
has tracking focus
weather sealing
does not have image stabilization
doesn't have phase detect AF
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Travel Comparison

Pentax WG-3 GPS Travel photography highlights
Sigma fp Travel photography highlights
69
environment proof
resolution is good (16 megapixels)
built-in flash
decently wide (25mm)
good maximum aperture (f2.0)
not so great battery pack (240 shots)
more heavy than competition in class (238g)
display is not selfie friendly
78
weather sealing
boasts touch to focus
MP count excellent (25 megapixels)
display is not selfie friendly
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Landscape Comparison

Pentax WG-3 GPS as a Landscape photography camera
Sigma fp as a Landscape photography camera
54
manual focus
decently wide (25mm)
good maximum aperture (f2.0)
good sized screen (3 inches)
built in image stabilization (Sensor-shift)
resolution is good (16MP)
environment proof
fixed lens (fixed lens mount)
lack of manual exposure
small sensor size (1/2.3")
does not have RAW support
not so great battery pack (240 per charge)
83
manual focus
interchangeable lenses (Leica L mount)
screen size is good (3.2 inches)
MP count excellent (25MP)
sensor size is big (Full frame)
above average high ISO (25,600)
delivers RAW formats
weather sealing
does not have image stabilization
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Vlogging Comparison

Vlogging with Pentax WG-3 GPS
Vlogging with Sigma fp
34
decently wide (25mm)
good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
supports face detection focus
video res high (1920 x 1080 resolution)
display is not selfie friendly
doesn't have external microphone jack
more heavy than competition in class (238 grams)
37
screen is touchscreen
has face detect focusing
video res high (3840 x 2160 resolution)
includes mic socket
display is not selfie friendly
does not have image stabilization
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Pentax WG-3 GPS vs Sigma fp Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sigma fp
 Pentax WG-3 GPSSigma fp
General Information
Manufacturer Pentax Sigma
Model type Pentax WG-3 GPS Sigma fp
Category Waterproof Advanced Mirrorless
Announced 2013-07-19 2019-07-11
Physical type Compact Rangefinder-style mirrorless
Sensor Information
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.9 x 23.9mm
Sensor surface area 28.1mm² 858.0mm²
Sensor resolution 16 megapixel 25 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4608 x 3456 6000 x 4000
Maximum native ISO 6400 25600
Maximum enhanced ISO - 102400
Minimum native ISO 125 100
RAW support
Minimum enhanced ISO - 6
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 49
Lens
Lens support fixed lens Leica L
Lens zoom range 25-100mm (4.0x) -
Largest aperture f/2.0-4.9 -
Macro focusing range 1cm -
Available lenses - 30
Crop factor 5.8 1
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3" 3.2"
Display resolution 460k dots 2,100k dots
Selfie friendly
Liveview
Touch functionality
Display technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/4000s 1/8000s
Continuous shutter rate - 12.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 3.40 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Soft no built-in flash
External flash
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected No
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS BuiltIn None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 238 grams (0.52 lb) 422 grams (0.93 lb)
Physical dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 113 x 70 x 45mm (4.4" x 2.8" x 1.8")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 240 photographs -
Battery type Battery Pack -
Battery ID D-LI92 BP-51
Self timer Yes (2 or 10 sec) Yes (2 or 10 wec)
Time lapse shooting
Storage type SD/SDHC/SDXC card, Internal SD/SDHC/SDXC (UHS-II supported)
Card slots Single Single
Cost at release $350 $2,050