Sony A7S III vs Sony FX3
Portability
61 Imaging
64 Features
92 Overall
75
61 Imaging
64 Features
92 Overall
75
Portability
62 Imaging
65 Features
92 Overall
75
62 Imaging
65 Features
92 Overall
75
Sony A7S III vs Sony FX3 Key Specs
Sony A7S III
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 80 - 102400 (Push to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Announced July 2020
- Superseded the Sony A7S II
Sony FX3
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3.00" Fully Articulated Display
- ISO 80 - 102400 (Bump to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 716g - 130 x 78 x 85mm
- Released February 2021
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Lets look much closer at the Sony A7S III vs Sony FX3, both Pro Mirrorless digital cameras and they are both sold by Sony. The resolution of the A7S III (12MP) and the FX3 (12MP) is very similar and both cameras offer the identical sensor sizes (Full frame).
Photography GlossaryThe A7S III was revealed 7 months earlier than the FX3 so they are of a similar age. Both of these cameras feature different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony FX3 being a Rangefinder-style mirrorless camera.
Before we go into a step-by-step comparison, here is a brief view of how the A7S III matches up vs the FX3 when it comes to portability, imaging, features and an overall score.
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Following is a sample of the gallery pics for Sony Alpha A7S III & Sony FX3. The full galleries are viewable at Sony A7S III Gallery & Sony FX3 Gallery.
Reasons to pick Sony A7S III over the Sony FX3
| A7S III | FX3 |
|---|
Reasons to pick Sony FX3 over the Sony A7S III
| FX3 | A7S III | |||
|---|---|---|---|---|
| Released | February 2021 |  | July 2020 | More modern by 7 months |
Common features in the Sony A7S III and Sony FX3
| A7S III | FX3 | |||
|---|---|---|---|---|
| Focus manually |  | More accurate focus | ||
| Display type | Fully articulated |  | Fully articulated | Fully Articulated display |
| Display size | 3" |  | 3.00" | Same display dimensions |
| Display resolution | 1440k |  | 1440k | Identical display resolution |
| Selfie screen |  | Both are selfie friendly | ||
| Touch display |  | Easily navigate |
Sony A7S III vs Sony FX3 Physical Comparison
When you are planning to carry around your camera regularly, you have to factor its weight and size. The Sony A7S III features outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs) whilst the Sony FX3 has specifications of 130mm x 78mm x 85mm (5.1" x 3.1" x 3.3") with a weight of 716 grams (1.58 lbs).
Analyze the Sony A7S III vs Sony FX3 in our newest Camera plus Lens Size Comparison Tool.
Don't forget, the weight of an ILC will differ based on the lens you have chosen at the time. Below is a front view measurement comparison of the A7S III against the FX3.
Using size and weight, the portability rating of the A7S III and FX3 is 61 and 62 respectively.
Sony A7S III vs Sony FX3 Sensor Comparison
Often, it is very tough to imagine the difference between sensor sizes simply by reviewing specifications. The pic here will help give you a clearer sense of the sensor dimensions in the A7S III and FX3.
Plainly, each of these cameras feature the identical sensor size and the exact same resolution so you can expect similar quality of pictures although you will want to take the age of the products into consideration. The more aged A7S III is going to be disadvantaged when it comes to sensor tech.
Sony A7S III vs Sony FX3 Screen and ViewFinder
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Portrait Comparison
Sony A7S III Portrait photography highlights
Sony FX3 Portrait photography highlights
you can focus manually
large sensor size (Full frame)
supports face detection focusing
delivers RAW formats
low MP (12 megapixels)
has manual focus
large sensor size (Full frame)
provides face detection focus
exports RAW files
MP count low (12MP)
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Sony A7S III Street photography info
Sony FX3 Street photography info
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
delivers RAW formats
features touch to focus
weather proof
above average ISO range (102,400)
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW files
offers focus by touch
weather proofing
good high ISO (102,400)
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Sony A7S III Sports photography info
Sony FX3 Sports photography info
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports tracking autofocus
weather proof
great battery life (600 CIPA)
supports phase detect AF
low MP (12 megapixels)
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
provides tracking autofocus
weather proofing
great battery power (600 shots)
sensor has phase detect auto focus
MP count low (12 megapixels)
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Sony A7S III Travel photography details
Sony FX3 Travel photography details
great battery life (600 per charge)
weather proof
has bluetooth
features touch to focus
display is selfie friendly
low MP (12MP)
great battery power (600 per charge)
weather proofing
has bluetooth
offers focus by touch
display is selfie friendly
MP count low (12MP)
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Sony A7S III as a Landscape photography camera
Sony FX3 as a Landscape photography camera
you can focus manually
interchangeable lenses (Sony E mount)
screen size is good (3")
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
above average ISO range (102,400)
delivers RAW formats
weather proof
great battery life (600 shots)
two card slots
low MP (12MP)
has manual focus
switch lenses (Sony E mount)
screen size is good (3.00 inches)
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
good high ISO (102,400)
exports RAW files
weather proofing
great battery power (600 shots)
has dual storage slots
MP count low (12 megapixels)
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Sony A7S III Vlogging info
Sony FX3 Vlogging info
display is selfie friendly
touchscreen capability
image stabilization (Sensor based 5-axis)
supports face detection focusing
great video quality (3840 x 2160 resolution)
comes with external microphone socket
display is selfie friendly
has touchscreen
built in image stabilization (Sensor based 5-axis)
provides face detection focus
high video quality (3840 x 2160 pixels)
includes external microphone jack
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Sony A7S III vs Sony FX3 Specifications
| Sony Alpha A7S III | Sony FX3 | |
|---|---|---|
| General Information | ||
| Brand | Sony | Sony |
| Model | Sony Alpha A7S III | Sony FX3 |
| Category | Pro Mirrorless | Pro Mirrorless |
| Announced | 2020-07-21 | 2021-02-23 |
| Body design | SLR-style mirrorless | Rangefinder-style mirrorless |
| Sensor Information | ||
| Powered by | Bionz XR | - |
| Sensor type | BSI-CMOS | BSI-CMOS |
| Sensor size | Full frame | Full frame |
| Sensor measurements | 35.6 x 23.8mm | 35.6 x 23.8mm |
| Sensor area | 847.3mm² | 847.3mm² |
| Sensor resolution | 12MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Maximum resolution | 4240 x 2832 | 4240 x 2832 |
| Maximum native ISO | 102400 | 102400 |
| Maximum boosted ISO | 409600 | 409600 |
| Lowest native ISO | 80 | 80 |
| RAW support | ||
| Lowest boosted ISO | 50 | 50 |
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 759 | 759 |
| Lens | ||
| Lens mounting type | Sony E | Sony E |
| Number of lenses | 121 | 187 |
| Crop factor | 1 | 1 |
| Screen | ||
| Display type | Fully articulated | Fully articulated |
| Display size | 3 inches | 3.00 inches |
| Resolution of display | 1,440k dot | 1,440k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | None |
| Viewfinder resolution | 9,440k dot | - |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.91x | - |
| Features | ||
| Lowest shutter speed | 30s | 30s |
| Highest shutter speed | 1/8000s | 1/8000s |
| Continuous shooting speed | 10.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash settings | no built-in flash | no built-in flash |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video format | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.2 Gen 1 (5 GBit/sec) | USB 3.2 Gen 1 (5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 699g (1.54 lb) | 716g (1.58 lb) |
| Physical dimensions | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") | 130 x 78 x 85mm (5.1" x 3.1" x 3.3") |
| DXO scores | ||
| DXO All around score | 85 | 85 |
| DXO Color Depth score | 23.6 | 24.2 |
| DXO Dynamic range score | 13.3 | 13.4 |
| DXO Low light score | 2993 | 3900 |
| Other | ||
| Battery life | 600 pictures | 600 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | NP-FZ100 | NP-FZ100 |
| Self timer | Yes (2 or 10 sec; continuous (3 or 5 exposures)) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse shooting | With downloadable app | With downloadable app |
| Type of storage | Dual SD/CFexpress Type A slots | Dual SD/CFexpress Type A slots |
| Storage slots | Dual | Dual |
| Pricing at launch | $3,499 | $3,900 |