Sony Alpha A7S II with Olympus OM-D E-M1 Mark III Overview
Let's compare Olympus OM-D E-M1 Mark III with Sony Alpha A7S II.
These models are included in the Pro Mirrorless cameras.
Olympus E-M1 MIII was released in 2020, and Sony A7S II in 2015.
OM-D E-M1 Mark III is newer, which is a plus. Alpha A7S II 5 years older.
5 years, this is a pretty big age difference.
The sensor resolution of OM-D E-M1 Mark III is greater than that of Alpha A7S II. The difference of 8 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 (OM-D E-M1 Mark III), 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 II, the maximum ISO is greater by 76800.
Both cameras have 5-axis Sensor-shift image stabilization.
Both cameras feature a 3-inch articulated screen.
Both cameras have a electronic viewfinder.
Viewfinder OM-D E-M1 Mark III has a higher resolution of 2360k dots, Alpha A7S II has a resolution of 2359k dots.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Olympus OM-D E-M1 Mark III has 5.0 fps continuous shooting.
Olympus OM-D E-M1 Mark III has 5.0 fps continuous shooting.
| General |
OM-D E-M1 Mark III |
Alpha A7S II |
| Brand |
Olympus
|
Sony
|
| Model |
OM-D E-M1 Mark III |
Alpha A7S II |
| Announced |
February, 2020 |
October, 2015 |
| Body Type |
SLR-style mirrorless |
SLR-style mirrorless |
| Lens |
| Lens Mount |
Micro Four Thirds |
Sony E (NEX) |
| Manual Focus |
|
|
| Focal Lens Multiplier |
2 |
1 |
| Number of Lenses |
103 |
116 |
| Macro Focus Range |
n/a |
n/a |
| Screen |
| Screen Size |
3" |
3" |
| Screen Type |
Articulated |
Tilting |
| Screen Resolution |
1037k pixels |
1229k pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Electronic |
Electronic |
| Viewfinder Resolution |
2360 |
| Viewfinder Coverage |
100% |
100% |
| Viewfinder Magnification |
0.74 |
0.78 |
| 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 |
121 |
169 |
| Number of Cross Focus Points |
121 |
0 |
| Photography Features |
| RAW Support |
|
|
| Min Shutter Speed |
1/60 sec |
1/30 sec |
| Max Shutter Speed |
1/8000 sec |
1/8000 sec |
| Continuous Shooting |
60.0 fps |
5.0 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 |
Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual |
no built-in flash |
| External Flash |
|
|
| AE Bracketing |
|
|
| AE Bracketing Range |
±5 EV |
±5 EV |
| WB Bracketing |
|
|
| Sensor |
| Sensor Size |
Four Thirds |
Full frame |
| Sensor Type |
CMOS |
CMOS |
| Sensor Dimensions |
mm |
mm |
| Sensor Area |
0.0 mm² |
0.0 mm² |
| Sensor Resolution |
20 MP |
12 MP |
| Max Image Resolution |
5184 x 3888 |
4240 x 2832 |
| Max Native ISO |
25600 |
102400 |
| Min Native ISO |
200 |
100 |
| Max Boosted ISO |
0 |
409600 |
| Min Boosted ISO |
64 |
50 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
4096 x 2160 |
3840 x 2160 |
| Video Formats |
MPEG-4, H.264 |
MPEG-4, AVCHD, XAVC S |
| 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 3.1 Gen 1 (5 GBit/sec) |
USB 2.0 (480 Mbit/sec) |
| Battery |
| Battery Life |
420 shots |
370 shots |
| Battery Type |
Battery Pack |
Battery Pack |
| Battery Model |
BLH-1 |
NP-FW50 |
| Physical |
| Weight |
580 g |
627 g |
| Physical Dimensions |
134 x 91 x 69 mm |
127 x 96 x 60 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 on first slot) |
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Storage Slots |
2 |
1 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
Interesting Pro Mirrorless
