Sony A7S II vs Pentax K-1 – Comparison

Let’s compare the Sony A7S II vs Pentax K-1.

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	Pentax K-1
Megapixels	12.2	36.4
Sensor Type	CMOS	CMOS
Sensor Format	Full Frame	Full Frame
Crop Factor	None	None
AA Filter	Yes	On/Off
Image Resolution	4240 x 2832	7360 x 4912
Body Image Stabilization	Yes - 5-Axis	Yes
Lens Mount	Sony E	Pentax K
ISO	100 - 102,400	100 - 204,800
Expanded ISO	50 - 409,600	None
AF Points	169	33
Cross-type AF Points	169 phase	25
Continuous Mode	5fps	4.5fps
LCD	3.0" - Articulating	3.2" - Articulating
LCD Resolution	1,228,800 dots	1,036,800 dots
Touchscreen	No	No
Focus Peaking	Yes	Yes
Top LCD Display	No	Yes
Viewfinder Type	EVF	Optical
Viewfinder Coverage	100%	100%
Viewfinder Magnification	0.78x	0.70x
Video Resolution	3840x2160 (30/25/24p)	1920x1080 (60i/50i/30/25/24p)
	1920x1080 (120/100/60/50p)	1280x720 (60/50p)
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-I
Fastest Shutter Speed	1/8000	1/8000
Slowest Shutter Speed	30"	30"
Bulb Mode	Yes	Yes
JPEG Buffer Size	63	74
RAW Buffer Size	28	17
Time Lapse	Yes	Yes
Built-in Flash	No	No
Max Flash Sync Speed	1/250	1/200
Startup Time	2.9s	1.2s
Built-in Wi-Fi	Yes	Yes
Built-in GPS	No	Yes
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	760 shots
Battery Included	Yes (NP-FW50)	Yes (D-LI90)
Weight	22.1 oz (627g)	35.8 oz (1,015g)
Size	5.0 x 3.8 x 2.4"	5.4 x 4.3 x 3.4"
Price	Amazon	Amazon
Release Date	2015	2016

Sony A7S II Advantages:

• ISO – 409,600 vs 204,800. Higher maximum ISO sensitivity.

• AF Points – 169 vs 33.

• Continuous mode – 5fps vs 4.5fps. It’s an advantage, but not something you will really notice that often.

• LCD Resolution – Higher resolution.

• Viewfinder Magnification – Higher magnification.

• Video Resolution – 4K video available

• RAW Buffer Size – 28 vs 17.

• Max Flash Sync Speed – 1/250 vs 1/200.

• Built-in NFC

• Weight – The Sony A7S II weighs 388g less.

You can buy it at Amazon or read more reviews.

Pentax K-1 Advantages:

• Megapixels –  24.2 more megapixels. For printing big and cropping, the Pentax K-1 is a much better choice.

• AA Filter – You can turn it on and off.

• LCD – 3.2″ vs 3.0″.

• Top LCD Display – When shooting in semi-auto/manual modes, you can quickly preview all of your settings.

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

• JPEG Buffer Size – 74 vs 63.

• Built-in GPS

• Battery Life – 760 shots vs 350 shots.

You can buy it at Amazon or read more reviews.