• APS-C 368.2mm2
  • 16.3 megapixels
  • ISO 200 - 6400
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Fujifilm X-A2
  • Pentax K-S2
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Fujifilm X-A1
X-A1 vs X-A2 		 
Successor: Fujifilm X-A3
X-A2 vs X-A3 		 
General
Model Number: X-A2 K-S2
Alternate Model Number(s):    
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $549.95 $799.95
Street Price: $599.99 $499.00
Date Available: 2015-02-15 2015-02-15
Tripod Mount: Yes Yes
Weight: 19.9 oz (564 g)
includes batteries, kit lens 		30.3 oz (859 g)
includes batteries, kit lens
Size: 4.6 x 2.6 x 1.6 in.
(117 x 67 x 40 mm) 		4.8 x 3.6 x 2.6 in.
(122 x 91 x 65 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 16.3 20.1
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.82 microns 4.29 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 4896 x 3264 (16.0 MP, 3:2),
4896 x 2760 (13.5 MP, Other),
3264 x 3264 (10.7 MP, 1:1),
3456 x 2304 (8.0 MP, 3:2),
3456 x 1944 (6.7 MP, 16:9),
2304 x 2304 (5.3 MP, 1:1),
2496 x 1664 (4.2 MP, 3:2),
2496 x 1408 (3.5 MP, Other),
1664 x 1664 (2.8 MP, 1:1) 		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)
Image File Format: JPEG (Exif Ver 2.3), .RAF RAW (ISO 200-6400), RAW + JPEG JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 5.5 5.2
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p) 		1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: H.264 (MOV) with stereo sound MPEG-4 AVC/H.264 (MOV)
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: Fujifilm X Pentax K (KA/KAF/KAF2/3)
Lens: FUJINON XC 16-50mm f/3.5-5.6 OIS II; 12 all glass elements in 10 groups including 3 aspherical elements and 1 ED element; 7 round-edged aperture blades smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups
Focal Length (35mm equivalent): 24 - 76mm 27 - 75mm
Focal Length (actual): 16 - 50mm 18 - 50mm
Zoom Ratio: 3.13x 2.78x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/4 - f/22 (wide) / f/5.6 - f/32 (tele)
Integrated ND Filter: No No
Normal Focus Range: 15 cm to Infinity
5.9 in to Infinity 		30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Area (49 areas in 7 x 7 grid), Multi; Changeable size of AF frame; Single AF, Eye Detection, Continuous AF, Tracking AF, Manual Focus SAFOX 11 TTL phase-matching: 11 points (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type:   SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: Yes Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.63x
Viewfinder Magnification (nominal/claimed):   0.95x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 920,000 dots (307,000 px) 921,600 dots (230,400 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: Yes Yes
Max Playback Zoom:   16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 51200
Minimum ISO (native): 200 100
ISO Settings: 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600; AUTO(400), AUTO(800), AUTO(1600), AUTO(3200), AUTO(6400) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Custom 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
Shutter Speed Range: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL 256-zones metering: Multi, Spot, Average TTL open-aperture: 77 segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene: Portrait Enhancer, Landscape, Sports, Night; Film Simulation (Velvia, ASTIA, PROVIA, Sepia, Classic Chrome and Black & White); Dynamic range setting AUTO (100-400%), 100%, 200%, 400%; Multiple Exposure; 8 Advanced Filters (Toy Camera, Miniature, Dynamic Tone, Pop Color, Soft Focus, High Key, Low Key and Partial Color) 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
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Forced Flash, Suppressed Flash, Slow Synchr, Rear-curtain Synchro, Commander; Red-eye reduction available 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 Guide Number (ISO 100): 5.0 m / 16.4 ft. 12.0 m / 39.4 ft.
Flash Range Description: GN=7m (ISO 200) GN=12 (m, ISO 100); range depends on lens aperture
Max Flash Sync: 1/180s (1/160s in S or M mode) 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control: Trigger Only No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .RAF RAW (ISO 200-6400), RAW + JPEG 12-bit RAW (.PEF, .DNG)
Movie File Format: H.264 (MOV) with stereo sound MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional RR-90 wired remote Optional IR or Wi-Fi
Connections (extended): Mini (Type C) HDMI Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.84 0.35
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): 0.81 0.35
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 5.5 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 16 28
RAW shooting speed in burst mode (fps): 5.5 5.2
Buffer size for RAW shooting in burst mode (frames): 12 9
RAW+JPEG shooting speed in burst mode (fps): 5.5 5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 11 6
Shutter lag (full AF, wide/mid): 0.36 seconds 0.12 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): 0.082 seconds 0.098 seconds
Shutter lag (full AF, with flash): 0.47 seconds 0.15 seconds
Shutter Lag (prefocused): 0.057 seconds 0.077 seconds
Shutter Lag (notes):    
Startup Time: 1.4 seconds 1.0 seconds
Play -> Record Time: 1.0 seconds 0.2 seconds
Flash cycle time, full power: 3.5 seconds 2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 410 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-W126 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-W126 Lithium-ion rechargeable 1 x Proprietary D-LI109 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: Fujifilm CD-ROM (Viewer software, RAW File Converter, etc.) Digital Camera Utility 5 Software CD-ROM
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: Available in back & silver, white & silver or brown & silver. 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.