Sony A7S III with Sony Alpha A9 Overview
Let's compare Alpha A9 with A7S III. Both cameras produced
Sony.
These models are included in the Pro Mirrorless cameras.
Sony A9 was released in 2017, and Sony A7S III in 2020.
A7S III is newer, which is a plus. Alpha A9 3 years older.
The sensor resolution of Alpha A9 is greater than that of A7S III. The difference of 12 MP is quite a lot.
The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
At the first camera (Alpha A9), the minimum ISO value is lower, which gives more opportunities for shooting in daylight.
A larger maximum ISO allows you to take good pictures in the dark.
At Sony A7S III, the maximum ISO is greater by 51200.
Both cameras have 5-axis Sensor-shift image stabilization.
Both cameras feature a 3-inch tilting screen.
Both cameras have a electronic viewfinder.
Viewfinder A7S III has a higher resolution of 9440k dots, Alpha A9 has a resolution of 3686k dots.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A9 has 10.0 fps continuous shooting.
Sony Alpha A9 has 10.0 fps continuous shooting.
| General |
Alpha A9 |
A7S III |
| Brand |
Sony
|
Sony
|
| Model |
Alpha A9 |
A7S III |
| Announced |
April, 2017 |
July, 2020 |
| Body Type |
SLR-style mirrorless |
SLR-style mirrorless |
| Lens |
| Lens Mount |
Sony E |
Sony E |
| Manual Focus |
|
|
| Focal Lens Multiplier |
1 |
1x |
| Number of Lenses |
116 |
146 |
| Macro Focus Range |
n/a |
n/a |
| Screen |
| Screen Size |
3" |
3" |
| Screen Type |
Tilting |
Fully articulated |
| Screen Resolution |
1440k pixels |
1,440kk pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Electronic |
Electronic |
| Viewfinder Resolution |
3686 |
| Viewfinder Coverage |
100% |
100%% |
| Viewfinder Magnification |
0.78 |
0.91 |
| Autofocus |
| AF Touch |
|
|
| AF Continuous |
|
|
| AF Single |
|
|
| AF Tracking |
|
|
| AF Selective |
|
|
| AF Center |
|
|
| AF Multi Area |
|
|
| AF Live View |
|
|
| AF Face Detection |
|
|
| AF Contrast Detection |
|
|
| AF Phase Detection |
|
|
| Number of Focus Points |
693 |
759 |
| Number of Cross Focus Points |
0 |
0 |
| Photography Features |
| RAW Support |
|
|
| Min Shutter Speed |
1/30 sec |
1/30 sec |
| Max Shutter Speed |
1/8000 sec |
1/ sec |
| Continuous Shooting |
20.0 fps |
10.0 fps |
| Shutter Priority |
|
|
| Aperture Priority |
|
|
| Manual Exposure Mode |
|
|
| Exposure Compensation |
|
|
| Custom White Balance |
|
|
| Image Stabilization |
|
|
| Built-in Flash |
|
|
| Flash Range |
no built-in flash |
no built-in flash |
| Flash Modes |
Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
no built-in flash |
| External Flash |
|
|
| AE Bracketing |
|
|
| AE Bracketing Range |
±5 EV |
±±5 EV EV |
| WB Bracketing |
|
|
| Sensor |
| Sensor Size |
Full frame |
Full frame |
| Sensor Type |
BSI-CMOS |
BSI-CMOS |
| Sensor Dimensions |
35.6 x 23.8 mm |
mm |
| Sensor Area |
847.3 mm² |
0.0 mm² |
| Sensor Resolution |
24 MP |
12 MP |
| Max Image Resolution |
6000 x 4000 |
4240 x 2832 |
| Max Native ISO |
51200 |
102400 |
| Min Native ISO |
100 |
80 |
| Max Boosted ISO |
204800 |
409600 |
| Min Boosted ISO |
50 |
50 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
3840 x 2160 |
3840 x 2160 |
| Video Formats |
MPEG-4, AVCHD, H.264 |
MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 |
| Timelapse Recording |
|
|
| Microphone Port |
|
|
| Headphone Port |
|
|
| Exposure Modes |
| Multi-Segment |
|
|
| Average |
|
|
| Spot |
|
|
| Partial |
|
|
| AF-Area |
|
|
| Center Weighted |
|
|
| Connectivity |
| GPS |
None |
None |
| Wireless Connectivity |
Built-In |
Built-In |
| Bluetooth |
|
|
| HDMI |
|
|
| USB |
USB 2.0 (480 Mbit/sec) |
USB 3.2 Gen 1 (5 GBit/sec) |
| Battery |
| Battery Life |
650 shots |
600 shots |
| Battery Type |
Battery Pack |
Battery Pack |
| Battery Model |
NP-FZ100 |
NP-FZ100 |
| Physical |
| Weight |
673 g |
699 g |
| Physical Dimensions |
127 x 96 x 63 mm |
129 x 97 x 81 mm |
| Environmental Sealing |
|
|
| Water Proof |
|
|
| Dust Proof |
|
|
| Shock Proof |
|
|
| Crush Proof |
|
|
| Freeze Proof |
|
|
| Shock Proof |
|
|
| Storage |
| Storage Type |
Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Dual SD/CFexpress Type A slots |
| Storage Slots |
2 |
2 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
Interesting Pro Mirrorless
