Sony A7S II vs Olympus E-M5 II – Comparison

Let’s compare the Sony A7S II vs Olympus E-M5 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-M5 II
Megapixels	12.2	16.1
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	4608 x 3456
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	81 Contrast
Cross-type AF Points	169 phase	0 phase
Continuous Mode	5fps	5fps/10fps
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)	1920x1080 (60/50/30/25/24p)
	1920x1080 (120/100/60/50p)	1280x720 (60/50/30/25/24p)
Microphone Jack	Yes	Yes
Headphone Jack	Yes	No
Memory Card Type	SD or MS Pro	SD
Dual Card Slots	No	No
SD UHS Support	UHS-I	UHS-II
Fastest Shutter Speed	1/8000	1/16000
Slowest Shutter Speed	30"	60"
Bulb Mode	Yes	Yes
JPEG Buffer Size	63	18
RAW Buffer Size	28	13
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 2.0
Environmentally Sealed	Yes	Yes
Battery Life (CIPA)	370 shots	310 shots
Battery Included	Yes (NP-FW50)	Yes (BLN-1)
Weight	22.1 oz (627g)	16.5 oz (469g)
Size	5.0 x 3.8 x 2.4"	4.9 x 3.3 x 1.8"
Price	Amazon	Amazon
Release Date	2015	2015

Sony A7S II Advantages:

• 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 81 Contrast.

• LCD Resolution – Higher resolution.

• Video Resolution – 4K video available.

• Headphone Jack – Useful for previewing your audio quality straight out the camera.

• JPEG Buffer Size – 63 vs 18.

• RAW Buffer Size – 28 vs 13.

• Built-in NFC

• Battery Life – 370 shots vs 310 shots.

You can buy it at Amazon or read more reviews.

Olympus E-M5 II Advantages:

• Megapixels – 3.9 more megapixels. It’s a small difference and you won’t notice it unless printing really big.

• AA Filter – The Olympus E-M5 II has no AA filter.

• Continuous mode – 5fps/10fps 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.

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

• Faster Max Shutter Speed – 1/16000 vs 1/8000.

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

• Weight – The Olympus E-M5 II weighs 158g less.

You can buy it at Amazon or read more reviews.