Sigma fp L vs Sony A7R III
83 Imaging
82 Features
80 Overall
81


63 Imaging
77 Features
93 Overall
83
Sigma fp L vs Sony A7R III Key Specs
(Full Review)
- 61MP - Full frame Sensor
- 3.2" Fixed Display
- ISO 100 - 25600 (Boost to 102400)
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Leica L Mount
- 427g - 113 x 70 x 45mm
- Released March 2021
- Superseded the Sigma fp
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Increase to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Revealed October 2017
- Earlier Model is Sony A7R II
- Successor is Sony A7R IV

Sigma fp L vs Sony A7R III Overview
Below is a extensive review of the Sigma fp L versus Sony A7R III, one being a Advanced Mirrorless and the latter is a Pro Mirrorless by competitors Sigma and Sony. There exists a crucial gap among the sensor resolutions of the fp L (61MP) and A7R III (42MP) but both cameras provide the same sensor dimensions (Full frame).

The fp L was launched 3 years later than the A7R III and that is a fairly serious gap as far as camera technology is concerned. The two cameras have different body design with the Sigma fp L being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.
Before we go into a full comparison, here is a simple introduction of how the fp L matches up vs the A7R III in regards to portability, imaging, features and an overall grade.

Sigma fp L vs Sony A7R III Gallery
Here is a preview of the gallery photos for Sigma fp L and Sony Alpha A7R III. The complete galleries are viewable at Sigma fp L Gallery and Sony A7R III Gallery.
Reasons to pick Sigma fp L over the Sony A7R III
fp L | A7R III | |||
---|---|---|---|---|
Revealed | March 2021 | ![]() | October 2017 | More recent by 42 months |
Screen dimensions | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Screen resolution | 2100k | ![]() | 1440k | Sharper screen (+660k dot) |
Reasons to pick Sony A7R III over the Sigma fp L
A7R III | fp L | |||
---|---|---|---|---|
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Common features in the Sigma fp L and Sony A7R III
fp L | A7R III | |||
---|---|---|---|---|
Focus manually | ![]() | More exact focusing | ||
Selfie screen | ![]() | Lacking selfie screen | ||
Touch friendly screen | ![]() | Quickly navigate |
Sigma fp L vs Sony A7R III Physical Comparison
For anyone who is intending to lug around your camera, you are going to need to take into account its weight and volume. The Sigma fp L features outside dimensions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") with a weight of 427 grams (0.94 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).
See the Sigma fp L versus Sony A7R III in the latest Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at that time. Following is a front view sizing comparison of the fp L and the A7R III.

Taking into consideration dimensions and weight, the portability rating of the fp L and A7R III is 83 and 63 respectively.

Sigma fp L vs Sony A7R III Sensor Comparison
Quite often, it's difficult to imagine the difference in sensor measurements purely by viewing a spec sheet. The photograph here may offer you a stronger sense of the sensor dimensions in the fp L and A7R III.
Clearly, both of these cameras have the same sensor dimensions albeit different MP. You should count on the Sigma fp L to provide you with greater detail utilizing its extra 19 Megapixels. Higher resolution can also let you crop shots a bit more aggressively. The newer fp L should have an advantage when it comes to sensor tech.

Sigma fp L vs Sony A7R III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma fp L vs Sony A7R III Specifications
Sigma fp L | Sony Alpha A7R III | |
---|---|---|
General Information | ||
Company | Sigma | Sony |
Model type | Sigma fp L | Sony Alpha A7R III |
Type | Advanced Mirrorless | Pro Mirrorless |
Released | 2021-03-25 | 2017-10-25 |
Physical type | Rangefinder-style mirrorless | SLR-style mirrorless |
Sensor Information | ||
Chip | - | Bionz X |
Sensor type | BSI-CMOS | BSI-CMOS |
Sensor size | Full frame | Full frame |
Sensor dimensions | 36 x 24mm | 35.9 x 24mm |
Sensor surface area | 864.0mm² | 861.6mm² |
Sensor resolution | 61MP | 42MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
Highest Possible resolution | 9520 x 6328 | 7952 x 5304 |
Maximum native ISO | 25600 | 32000 |
Maximum enhanced ISO | 102400 | 102400 |
Min native ISO | 100 | 100 |
RAW pictures | ||
Min enhanced ISO | 6 | 50 |
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Total focus points | 49 | 425 |
Lens | ||
Lens mount type | Leica L | Sony E |
Amount of lenses | 40 | 121 |
Crop factor | 1 | 1 |
Screen | ||
Type of display | Fixed Type | Tilting |
Display sizing | 3.2 inch | 3 inch |
Display resolution | 2,100k dots | 1,440k dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Viewfinder Information | ||
Viewfinder | Electronic (optional) | Electronic |
Viewfinder resolution | 3,680k dots | 3,686k dots |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.83x | 0.78x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/8000s | 1/8000s |
Continuous shutter rate | 10.0 frames/s | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash settings | no built-in flash | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported 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, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
Maximum video resolution | 3840x2160 | 3840x2160 |
Video format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Mic port | ||
Headphone port | ||
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 | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 427 gr (0.94 pounds) | 657 gr (1.45 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 | 100 |
DXO Color Depth rating | not tested | 26.0 |
DXO Dynamic range rating | not tested | 14.7 |
DXO Low light rating | not tested | 3523 |
Other | ||
Battery life | 240 pictures | 650 pictures |
Form of battery | 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 feature | ||
Storage type | SD/SDHC/SDXC (UHS-II supported) | Two SD/SDHC/SDXC slots (UHS-II support on one) |
Card slots | Single | 2 |
Cost at release | $2,499 | $2,800 |