Sony A7S II vs Olympus E-M1 II – Comparison

Let’s compare the Sony A7S II vs Olympus E-M1 II.

Our comparison table below covers all the important specifications of each camera. Below that, we specifically talk about the new improvements and which model is better suited for your needs.

	Sony A7S II	E-M1 II
Megapixels	12.2	20.4
Sensor Type	CMOS	Live MOS
Sensor Format	Full Frame	Micro Four Thirds
Crop Factor	None	2.0x
AA Filter	Yes	None
Image Resolution	4240 x 2832	5184 X 3888
Body Image Stabilization	Yes - 5-Axis	Yes
Lens Mount	Sony E	Micro Four Thirds
ISO	100 - 102,400	200 - 25,600
Expanded ISO	50 - 409,600	None
AF Points	169	121 Hybrid
Cross-type AF Points	169 phase	121 phase
Continuous Mode	5fps	18fps
LCD	3.0" - Articulating	3.0" - Fully Articulated
LCD Resolution	1,228,800 dots	1,037,000 dots
Touchscreen	No	Yes
Focus Peaking	Yes	Yes
Top LCD Display	No	No
Viewfinder Type	EVF	EVF (2.36M)
Viewfinder Coverage	100%	100%
Viewfinder Magnification	0.78x	1.48x
Video Resolution	3840x2160 (30/25/24p)	4096x2160 (24p)
	1920x1080 (120/100/60/50p)	3840x2160 (30/25/24p)
Microphone Jack	Yes	Yes
Headphone Jack	Yes	Yes
Memory Card Type	SD or MS Pro	SD + SD
Dual Card Slots	No	Yes
SD UHS Support	UHS-I	UHS-II
Fastest Shutter Speed	1/8000	1/32000
Slowest Shutter Speed	30"	60"
Bulb Mode	Yes	Yes
JPEG Buffer Size	63	118
RAW Buffer Size	28	102
Time Lapse	Yes	Yes
Built-in Flash	No	No
Max Flash Sync Speed	1/250	1/250
Startup Time	2.9s	0.8s
Built-in Wi-Fi	Yes	Yes
Built-in GPS	No	No
Built- in NFC	Yes	No
Bluetooth	No	No
USB Type	USB 2.0	USB 3.0
Environmentally Sealed	Yes	Yes
Battery Life (CIPA)	370 shots	440 shots
Battery Included	Yes (NP-FW50)	Yes (BLH-1)
Weight	22.1 oz (627g)	20.2 oz (574g)
Size	5.0 x 3.8 x 2.4"	5.3 x 3.6 x 2.7"
Price	Amazon	Amazon
Release Date	2015	2016

 
Sony A7S II Advantages:

• Megapixels – 8.2 more megapixels. For printing big and cropping, the Sony A7S II is a much better choice.

• Sensor Format – Full Frame is bigger than MFT. When shooting above ISO 3,200, you’ll notice a big difference in image quality.

• ISO – 409,600 vs 25,600. Higher maximum ISO sensitivity.

• AF Points – 169 vs 121 Hybrid.

• LCD Resolution – Higher resolution.

• Built-in NFC

You can buy it at Amazon or read more reviews.

Olympus E-M1 II Advantages:

• AA Filter – The Olympus E-M1 II has no AA filter.

• Continuous mode – 18fps vs 5fps. More is better for sports and wildlife since you have more chances of getting a tack sharp shot.

• LCD – It’s fully articulated.

• Touchscreen Support

• Viewfinder Magnification – Higher magnification.

• Dual Card Slots – More room for extra photos, or simply for backup.

• UHS-II – Faster writing speeds than UHS-I, but you need a memory card that can handle such speeds.

• Faster Max Shutter Speed – 1/32000 vs 1/8000.

• Slower Max Shutter Speed – 60” vs 30”.

• JPEG Buffer Size – 118 vs 63.

• RAW Buffer Size – 102 vs 28.

• USB 3.0 – Faster file transferring out the camera.

• Battery Life – 440 shots vs 370 shots.

You can buy it at Amazon or read more reviews.