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Sigma fp L vs Sony A7 III

Portability
83
Imaging
82
Features
80
Overall
81
Sigma fp L front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Sigma fp L vs Sony A7 III Key Specs

Sigma fp L
(Full Review)
  • 61MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Increase to 102400)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 427g - 113 x 70 x 45mm
  • Launched March 2021
  • Superseded the Sigma fp
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Announced February 2018
  • Replaced the Sony A7 II
  • Renewed by Sony A7 IV
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Sigma fp L vs Sony A7 III Overview

The following is a thorough analysis of the Sigma fp L and Sony A7 III, former is a Advanced Mirrorless while the other is a Pro Mirrorless by rivals Sigma and Sony. There exists a substantial gap between the resolutions of the fp L (61MP) and A7 III (24MP) but both cameras posses the same sensor sizes (Full frame).

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The fp L was unveiled 3 years after the A7 III which is quite a big difference as far as technology is concerned. Both of the cameras have different body design with the Sigma fp L being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting straight to a detailed comparison, here is a simple summary of how the fp L scores against the A7 III in terms of portability, imaging, features and an overall mark.

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Reasons to pick Sigma fp L over the Sony A7 III

 fp L A7 III 
AnnouncedMarch 2021February 2018Newer by 38 months
Display dimensions3.2"3"Larger display (+0.2")
Display resolution2100k922kClearer display (+1178k dot)

Reasons to pick Sony A7 III over the Sigma fp L

 A7 III fp L 
Display typeTiltingFixed Tilting display

Common features in the Sigma fp L and Sony A7 III

 fp L A7 III 
Manual focus Dial accurate focus
Selfie screen Neither contains selfie screen
Touch display Easily navigate

Sigma fp L vs Sony A7 III Physical Comparison

If you are going to travel with your camera regularly, you're going to have to consider its weight and dimensions. The Sigma fp L has got physical measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") having a weight of 427 grams (0.94 lbs) whilst the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Check the Sigma fp L and Sony A7 III in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you have chosen at that time. The following is a front view size comparison of the fp L and the A7 III.

Sigma fp L vs Sony A7 III size comparison

Taking into account dimensions and weight, the portability grade of the fp L and A7 III is 83 and 63 respectively.

Sigma fp L vs Sony A7 III top view buttons comparison

Sigma fp L vs Sony A7 III Sensor Comparison

Sometimes, it is difficult to envision the gap between sensor dimensions purely by going over specifications. The pic below might give you a more clear sense of the sensor measurements in the fp L and A7 III.

Plainly, both of those cameras provide the same sensor dimensions but not the same MP. You can expect to see the Sigma fp L to offer more detail having an extra 37MP. Greater resolution will allow you to crop pics more aggressively. The more recent fp L is going to have a benefit with regard to sensor technology.

Sigma fp L vs Sony A7 III sensor size comparison

Sigma fp L vs Sony A7 III Screen and ViewFinder

Sigma fp L vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma fp L Portrait photography features
Sony A7 III Portrait photography features
89
has manual focus
high resolution (61 megapixels)
sensor size is large (Full frame)
includes face detection autofocus
supports RAW files
84
focusing manually
megapixel count decent (24 megapixels)
large sensor size (Full frame)
features face detect focus
supports RAW formats
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Street Comparison

Sigma fp L as a Street photography camera
Sony A7 III as a Street photography camera
78
sensor size is large (Full frame)
supports RAW files
offers focus via touch
environment proof
very good ISO range (25,600)
screen is fixed
no image stabilization
78
screen tilts up and down
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW formats
boasts touch to focus
environment sealing
great ISO range (51,200)
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Sports Comparison

Sports photography with Sigma fp L
Sports photography with Sony A7 III
78
maximum shutter speed is high (1/8,000 seconds)
high resolution (61 megapixels)
sensor size is large (Full frame)
includes tracking autofocus
environment proof
sensor has phase detect autofocus
no image stabilization
not so great battery pack (240 per charge)
87
max shutter speed is good (1/8,000s)
image stabilization (Sensor based 5-axis)
megapixel count decent (24 megapixels)
large sensor size (Full frame)
features tracking focus
environment sealing
great battery pack (610 CIPA)
sensor has phase detect auto focus
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Travel Comparison

Sigma fp L Travel photography features
Sony A7 III Travel photography features
73
environment proof
offers focus via touch
high resolution (61MP)
not so great battery pack (240 per charge)
does not have selfie friendly display
73
great battery pack (610 shots)
environment sealing
has bluetooth
boasts touch to focus
megapixel count decent (24 megapixels)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Sigma fp L
Landscape photography with Sony A7 III
81
has manual focus
switch lenses (Leica L mount)
nice screen size (3.2 inches)
high resolution (61 megapixels)
sensor size is large (Full frame)
very good ISO range (25,600)
supports RAW files
environment proof
no image stabilization
not so great battery pack (240 per charge)
85
focusing manually
swap lenses (Sony E mount)
screen is a decent size (3 inch)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
large sensor size (Full frame)
great ISO range (51,200)
supports RAW formats
environment sealing
great battery pack (610 shots)
2 card slots
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Vlogging Comparison

Sigma fp L Vlogging features
Sony A7 III Vlogging features
38
touchscreen functionality
includes face detection autofocus
high video quality (3840 x 2160 resolution)
includes external microphone port
does not have selfie friendly display
no image stabilization
36
has touchscreen
image stabilization (Sensor based 5-axis)
features face detect focus
video res high (3840 x 2160 resolution)
includes mic support
screen is not selfie friendly
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Sigma fp L vs Sony A7 III Specifications

Detailed spec comparison table for Sigma fp L and Sony A7 III
 Sigma fp LSony Alpha A7 III
General Information
Make Sigma Sony
Model type Sigma fp L Sony Alpha A7 III
Class Advanced Mirrorless Pro Mirrorless
Launched 2021-03-25 2018-02-27
Physical type Rangefinder-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip - Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor dimensions 36 x 24mm 35.8 x 23.8mm
Sensor area 864.0mm² 852.0mm²
Sensor resolution 61 megapixel 24 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 9520 x 6328 6000 x 4000
Highest native ISO 25600 51200
Highest enhanced ISO 102400 204800
Lowest native ISO 100 100
RAW files
Lowest enhanced ISO 6 50
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 49 693
Lens
Lens support Leica L Sony E
Total lenses 40 121
Focal length multiplier 1 1
Screen
Screen type Fixed Type Tilting
Screen sizing 3.2 inches 3 inches
Screen resolution 2,100k dots 922k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic (optional) Electronic
Viewfinder resolution 3,680k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.83x 0.78x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/8000 secs
Continuous shutter rate 10.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash modes no built-in flash no built-in flash
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 25p, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p, MOV, H.264, Linear PCM1920 x 1080 @ 120p, MOV, H.264, Linear PCM1920 x 1080 @ 100p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 3840x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes (USB Power Delivery supported) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 427 grams (0.94 pounds) 650 grams (1.43 pounds)
Physical dimensions 113 x 70 x 45mm (4.4" x 2.8" x 1.8") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall rating not tested 96
DXO Color Depth rating not tested 25.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 3730
Other
Battery life 240 shots 610 shots
Battery style Battery Pack Battery Pack
Battery ID BP-51 NP-FZ100
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Dual
Launch price $2,499 $1,998