• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Pentax K-3 II
  • Olympus OM-D E-M10 IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-3
K-3 vs K-3 II
 
Successor: Pentax K-3 III
K-3 II vs K-3 III
 
General
Model Number: K-3 II E-M10 IV
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $850.00 $699.99
Street Price: $829.99 $629.66
Date Available: 2015-05-15 2020-09-25
Tripod Mount: Yes Yes
Weight: 27.7 oz (785 g)
includes batteries
13.5 oz (383 g)
includes batteries
Size: 5.2 x 4.0 x 3.1 in.
(132 x 102 x 77 mm)
4.8 x 3.3 x 1.9 in.
(122 x 84 x 49 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer:    
Effective Megapixels: 24.4 20.3
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: 3.91 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 No
DxO Sensor Score: 80  
DxO Color Depth Score (bits): 23.6  
DxO Dynamic Range Score (evs): 13.6  
DxO Maximum Effective ISO Score (iso): 1,106  
Image Capture
Image Resolution: 6016 x 4000 (24.1 MP, 3:2),
4608 x 3072 (14.2 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), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG (EXIF 2.3), 12-bit lossless compressed RAW, RAW + JPEG
Continuous-mode frames/second: 8.1 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
4096x2160 (24p)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1280x720 (120p)
3840x2160 (5p)
1920x1080 (15p/​10p/​5p)
1280x720 (30p/​15p/​10p/​5p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MOV (MPEG-4 AVC/H.264 with stereo sound)
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: n/a Olympus M.Zuiko 14-42mm f/3.5-5.6 EZ ED
Focal Length (35mm equivalent):   28 - 84mm
Focal Length (actual):   14 - 42mm
Zoom Ratio:   3.00x
Aperture Range:   f/3.5 (wide) / f/5.6 (tele) - f/22; 5 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 37.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) High-speed Contrast-detect AF: 121-area multiple AF / All target, Group target area (9-area), Single target (Normal/Small) / Eye Detection (Nearer, Left, Right) / Magnified (up to 14x, over 800 AF points)
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., TBDmm eyepoint, -2.5 to +1.5 diopter EVF; 2.36M-dot OLED, 100% coverage, 1.23x magnification (0.62x 35mm eq.), 19.2mm 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  
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,037,000 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 14.0x
Top Deck Display: Yes 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 (100) - 6400) / Manual ISO Low (100) - 25600, 1/3 or 1 EV steps selectable
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings) Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom (Kevin setting), One-touch WB (4)
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 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: Multi-segment with 86K-pixel RGB sensor, 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: Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3; Pixel Shift Resolution (On/Off) Scene (Portrait, e-Portrait, Landscape + Portrait, Night + Portrait, Children, Night scene, Sport, Hand-held Starlight, Fireworks, Light trails, Sports, Panning, Landscape, Sunset, Beach & Snow, Backlight HDR, Candlelight, Silent, Macro, Nature Macro, Documents, Multi Focus Shot), Advanced Photo (Live Composite, Live Bulb, Multiple Exposure, HDR Backlight, Silent, Panorama, Keystone Compensation, AE Bracketing, Focus Bracketing), Art Filter (Bleach Bypass I/II, Pop Art, Soft Focus, Pale & Light Color, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone, Key Line, Watercolor, Vintage, Partial Color, Instant Film)
Self Timer: 2 or 12 seconds 2, 12, custom seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: 24.0 megapixels No
Flash
Built-in Flash: No Yes
Flash Modes: P-TTL; Modes available depends on external flash mounted 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): n/a 5.8 m / 19.0 ft.
Flash Range Description: n/a GN=5.1 (ISO100, m) / GN= 7.2 (ISO200, m)
Max Flash Sync: 1/180 1/250s Built-in Flash
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket Hot Shoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG 12-bit lossless compressed RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MOV (MPEG-4 AVC/H.264 with stereo sound)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: Yes No
Microphone Jack: Yes No
Headphone Jack: Yes No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Via Wi-Fi
Connections (extended): Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack Micro-B USB 2.0, Micro HDMI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <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): 0.60  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 8.1  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 60  
RAW shooting speed in burst mode (fps): 8.2  
Buffer size for RAW shooting in burst mode (frames): 22  
RAW+JPEG shooting speed in burst mode (fps): 8.2  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 23  
Shutter lag (full AF, wide/mid): 0.14 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR): 0.274 seconds  
Shutter Lag (manual focus): 0.094 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.090 seconds  
Shutter Lag (notes):    
Startup Time: 1.2 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 720 shots  
Battery Life, Video:   80 minutes
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable BLS-50 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary BLS-50 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: Software CD-ROM includes Digital Camera Utility 5  
OS Compatibility:    
Miscellaneous
Notes & Features: Improved sensor-shift shake reduction (up to 4.5 stops), new Pixel Shift Resolution mode (4-shot composite provides full color information at each pixel and reduces noise), built-in GPS with ASTROTRACER and electronic compass.