Pentax K-S2 vs Olympus E-M1 II Specifications

APS-C 366.6mm²
20.1 megapixels
ISO 100 - 51,200

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4/3 226.2mm²
20.4 megapixels
ISO 200 - 25,600

Go in depth with our full Olympus E-M1 II Review.
How does it shoot? Olympus E-M1 II in the real world.
See real-world photos taken with the E-M1 II.
Compare Olympus E-M1 II image quality against competitors.
What’s the bottom line? Read our Olympus E-M1 II conclusion.

Detailed specifications
Pentax K-S2
Olympus OM-D E-M1 II

Links
Prices:	Compare Prices	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:		Olympus E-M1 E-M1 vs E-M1 II
Successor:		Olympus E-M1 Mark III E-M1 II vs E-M1 Mark III
General
Model Number:	K-S2	E-M1 II
Alternate Model Number(s):
Camera Format:	SLR	Compact System Camera
Currently Manufactured:	No	Yes
Retail Price:	$799.95	$1999.99
Street Price:	$499.00	$1,324.00
Date Available:	2015-02-15	2016-12-31
Tripod Mount:	Yes	Yes
Weight:	30.3 oz (859 g) includes batteries, kit lens	20.2 oz (574 g) includes batteries
Size:	4.8 x 3.6 x 2.6 in. (122 x 91 x 65 mm)	5.3 x 3.6 x 2.7 in. (134 x 91 x 69 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	Live MOS
Sensor Manufacturer:
Effective Megapixels:	20.1	20.4
Sensor Format:	APS-C	4/3
Sensor size:	366.6mm² (23.50mm x 15.60mm)	226.2mm² (17.40mm x 13.00mm)
Approximate Pixel Pitch:	4.29 microns	3.36 microns
Focal Length Multiplier:	1.5x	2.0x
Aspect Ratio:	3:2	4:3
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Optional	None
Self-Cleaning:	Yes	Yes
Sensor shift image stabilization:	Yes	Yes
On-Sensor Phase Detect:	No	Yes
DxO Sensor Score:		80
DxO Color Depth Score (bits):		23.7
DxO Dynamic Range Score (evs):		12.8
DxO Maximum Effective ISO Score (iso):		1,312
Image Capture
Image Resolution:	5472 x 3648 (20.0 MP, 3:2), 4224 x 2816 (11.9 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2)	5184 x 3888 (20.2 MP, 4:3), 3712 x 2784 (10.3 MP, 4:3), 2624 x 1968 (5.2 MP, 4:3), 1824 x 1368 (2.5 MP, 4:3), 1024 x 768 (0.8 MP, 4:3)
Image File Format:	JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)	JPEG, 12-bit lossless compressed RAW (.ORF), RAW + JPEG
Continuous-mode frames/second:	5.2	60.6
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (30p/25p/24p) 1280x720 (60p/50p)	4096x2160 (24p) 3840x2160 (30p/25p/24p) 1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p) 4096x2160 (15p/12p/8p/6p/3p) 3840x2160 (25p/24p/15p/12p/8p/6p/3p) 1920x1080 (60p/50p/25p/24p/15p/12p/8p/6p/3p) 1280x720 (60p/50p/25p/24p/15p/12p/8p/6p/3p)
Movie File Format:	MPEG-4 AVC/H.264 (MOV)	MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Composite Video Out:	No	No
NTSC/PAL Switchable Video:	n/a	n/a
Video Usable as Viewfinder:	n/a	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Pentax K (KA/KAF/KAF2/3)	Micro Four Thirds
Lens:	smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups	n/a
Focal Length (35mm equivalent):	27 - 75mm
Focal Length (actual):	18 - 50mm
Zoom Ratio:	2.78x
Aperture Range:	f/4 - f/22 (wide) / f/5.6 - f/32 (tele)
Integrated ND Filter:	No
Normal Focus Range:	30 cm to Infinity 11.8 in to Infinity
Macro Focus Range:
Filter Thread:	58.0mm	n/a
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:	No	Yes
Digital Zoom Values:	n/a	2x (3x in movie mode)
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	SAFOX 11 TTL phase-matching: 11 points (9 cross type focus points in the center)	Advanced Dual FAST AF: Hybrid Phase-detect/Contrast-detect AF, 121 AF points, all cross-type; All target, group target (9-area or 5- area), single target
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	Optical / LCD	EVF / LCD
Viewfinder Type:	SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter	EVF; High-speed (120fps) low latency (6ms) 2.36M-dot LCD, 1.30x - 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking:	Yes	Yes
EVF Resolution:	n/a	2,360,000 dots
Viewfinder Magnification (35mm equivalent):	0.63x	0.74x
Viewfinder Magnification (nominal/claimed):	0.95x	1.48x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	921,600 dots (230,400 px)	1,037,000 dots (345,667 px)
Touchscreen:	No	Yes
Articulating Screen:	Yes	Yes
Tilt Swivel Screen:	Yes	Yes
Selfie Screen:	Yes	Yes
Max Playback Zoom:	16.0x	14.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):	51200	25600
Minimum ISO (native):	100	200
ISO Settings:	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)	AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64) - 25600, 1/3 or 1 EV steps selectable
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature	Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom WB (Kelvin), One-touch WB (4); WB Tuning: +/-7 steps along A-B / G-M axis
Shutter Speed Range:	1/6000 - 30 sec	1/32000 - 60 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	TTL open-aperture: 77 segment Multi, Center-weighted, Spot	Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Shutter & Aperture Priority (TAv), Sensitivity Priority, Advanced HDR, Scene Mode (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; Dynamic range adjustment: Highlight, shadow	3 Custom settings; Art Filter (Pop Art, Soft Focus, Pale & Light Color, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone, Key Line, Water Color, Vintage, Partial Color, Soft Focus Effect, Pin-Hole Effect, White Edge Effect, Frame Effect, Star Light Effect, Blur Effect, B&W Effect, Picture Tone, Shade Effect), Underwater Wide/Underwater Macro, HDR1/2, Live Bulb, Live Time, Live Composite, Focus Stacking
Self Timer:	2 or 12 seconds	2, 10, Custom seconds
Time Lapse (intervalometer):	Yes	Yes
High Resolution Composite:	No	80.0 megapixels
Flash
Built-in Flash:	Yes	No
Flash Modes:	Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128)	Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual 1/1 (FULL) - 1/64
Flash Guide Number (ISO 100):	12.0 m / 39.4 ft.	9.0 m / 29.5 ft.
Flash Range Description:	GN=12 (m, ISO 100); range depends on lens aperture	Bundled FL-LM3 flash has GN of 9m/ISO 100
Max Flash Sync:	1/180	1/250
Flash Exposure Compensation:	-2 to +1 EV in 0.5EV steps	+/- 3.0 EV in 0.3EV steps
External Flash Connection:	Hot Shoe	Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control:	No	No
Image Storage
Usable Memory Types:	SD / SDHC / SDXC	SD / SDHC / SDXC
UHS Support:	UHS-I	UHS-II
Other Memory:		Slot 1: UHS-II, Slot 2: UHS-I
Dual Card Slots:	No	Yes
RAW Capture Support:	Yes	Yes
Uncompressed Format:	12-bit RAW (.PEF, .DNG)	12-bit lossless compressed RAW (.ORF), RAW + JPEG
Movie File Format:	MPEG-4 AVC/H.264 (MOV)	MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	Yes	Yes
NFC:	Yes	No
Bluetooth:	No	No
Built-In GPS:	No	No
Microphone Jack:	Yes	Yes
Headphone Jack:	No	Yes
External Connections:	USB 2.0 High Speed,WiFi	USB 3.0 Super Speed,WiFi
PictBridge Compliant:	No	Yes
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional IR or Wi-Fi	Optional wired or via Wi-Fi
Connections (extended):	Micro (Type D) HMDI	Micro HDMI (Type-D), USB 3.0 Type C, 3.5mm external mic jack, 3.5mm external headphone jack, 2.5mm wired remote jack

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.35	<0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):
Buffer size for RAW shooting in single shot mode (frames):
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):	0.35	<0.3
Camera penalizes early shutter press?	No	No
JPEG shooting speed in burst mode (fps, max resolution):	5.2	60.6
Buffer size for JPEG shooting in burst mode (frames, max resolution):	28	51
RAW shooting speed in burst mode (fps):	5.2	60.6
Buffer size for RAW shooting in burst mode (frames):	9	51
RAW+JPEG shooting speed in burst mode (fps):	5.2	60.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):	6	50
Shutter lag (full AF, wide/mid):	0.12 seconds	0.11 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):	0.75 seconds
Shutter lag (prefocused, live view - DSLR):	0.214 seconds
Shutter Lag (manual focus):	0.098 seconds	0.052 seconds
Shutter lag (full AF, with flash):	0.15 seconds	0.37 seconds
Shutter Lag (prefocused):	0.077 seconds	0.032 seconds
Shutter Lag (notes):
Startup Time:	1.0 seconds	0.8 seconds
Play -> Record Time:	0.2 seconds	0.6 seconds
Flash cycle time, full power:	2.3 seconds	6.9 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):		440 shots
Battery Life, Still (CIPA Rating OVF/EVF):	410 shots
Battery Life, Video:		90 minutes
Battery Form Factor:	Proprietary D-LI109	Proprietary BLH-1
Usable Battery Types:	Lithium-ion rechargeable	1720mAh Lithium-ion rechargeable
Batteries Included:	1 x Proprietary D-LI109 Lithium-ion rechargeable	1 x Proprietary BLH-1 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	Yes	Yes
Internal Charging Supported:	No	No
Software
Included Software:	Digital Camera Utility 5 Software CD-ROM	Olympus Viewer 3
OS Compatibility:
Miscellaneous
Notes & Features:	20 megapixel AA Filter-less CMOS sensor with Prime MII processor, built-in Wi-Fi with NFC, weather-resistant body, all-new retractable kit zoom lens. The K-S2 will be available in 3 standard colors: black, white, and graphite with an orange accent. RICOH IMAGING is also pleased to announce the color order service for the PENTAX K-S2. The PENTAX K-S2 offers a choice of seven color options in two outdoor-themed collections: three in the Nature Collection; Forest Green, Desert Beige, and Stone Gray as well as four in the Sports Collection: White and Lime, Black and Pink, White with a Racing Stripe, and Black with a Racing Stripe.