• 4/3 224.9mm2
  • 10.0 megapixels
  • ISO 100 - 1600
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Olympus E-420
  • Pentax K-S2
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: E-420 K-S2
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $599.99 $799.95
Street Price: $399.95 $499.00
Date Available: 2008-05-30 2015-02-15
Tripod Mount: Yes Yes
Weight: 16.0 oz (453 g)
includes batteries
30.3 oz (859 g)
includes batteries, kit lens
Size: 5.1 x 3.6 x 2.1 in.
(130 x 91 x 53 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: Live MOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 10.0 20.1
Sensor Format: 4/3 APS-C
Sensor size: 224.9mm2 (17.3mm x 13mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.74 microns 4.29 microns
Focal Length Multiplier: 2.0x 1.5x
Aspect Ratio: 4:3 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: 56  
DxO Color Depth Score (bits): 21.5  
DxO Dynamic Range Score (evs): 10.4  
DxO Maximum Effective ISO Score (iso): 527  
Image Capture
Image Resolution: 3648 x 2736 (10.0 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
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 2.2), 12-bit RAW (.ORF) JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 3.5 5.2
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format:   MPEG-4 AVC/H.264 (MOV)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Four Thirds Pentax K (KA/KAF/KAF2/3)
Lens: Olympus 14-42mm f/3.5-5.6 Zuiko Digital smc Pentax-D AL 18-50mm f/4-5.6 DC WR RE; 11 elements in 8 groups
Focal Length (35mm equivalent): 28 - 84mm 27 - 75mm
Focal Length (actual): 14 - 42mm 18 - 50mm
Zoom Ratio: 3.00x 2.78x
Aperture Range: f/3.5 - f/22 (W), f/5.6 - ?? (T) f/4 - f/22 (wide) / f/5.6 - f/32 (tele)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 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: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 3-point TTL Phase Difference Detection, 11-point Contrast Detect in Live View mode 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: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 95% coverage, 0.92x mag., 14mm eyepoint, -3 to +1 diopter SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.46x 0.63x
Viewfinder Magnification (nominal/claimed): 0.92x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 921,600 dots (230,400 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 14.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 1600 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 1600 (1/3EV steps) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Lamp, Fluorescent 1, Fluorescent 2, Fluorescent 3, Daylight, Cloudy, Shade, Flash, Custom, One-Touch 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 - 60 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 49-zone Digital ESP, Center Weighted Average, Spot / Highlight Spot / Shadow Spot (Spot Approx. 1%) 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: Portrait, Landscape, Landscape + Portrait, Night Scene, Night + Portrait, Children, Sport, High Key, Low Key, Digital Image Stabilization, Macro, Nature Macro, Candle, Sunset, Fireworks, Documents, Panorama* (* Available with the Olympus xD-Picture Card), Beach & Snow 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 12 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-eye reduction, Red-eye reduction slow sync., Fill-in, Slow synchronization (1st or 2nd curtain), Manual, Off. 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): 12.0 m / 39.4 ft. 12.0 m / 39.4 ft.
Flash Range Description: Depends on lens aperture GN=12 (m, ISO 100); range depends on lens aperture
Max Flash Sync: 1/180 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:   No
Image Storage
Usable Memory Types: CF1 / CF2 / Microdrive / xD SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.ORF) 12-bit RAW (.PEF, .DNG)
Movie File Format:   MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No 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 USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: RM-UC1 cable, RM-1 IR Optional IR or Wi-Fi
Connections (extended): Dedicated multi-connector; Optional Remote cable RM-UC1 is available Micro (Type D) HMDI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.50 0.35
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50  
Buffer size for RAW shooting in single shot mode (frames): 14  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.35
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 3.5 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 13 28
RAW shooting speed in burst mode (fps):   5.2
Buffer size for RAW shooting in burst mode (frames):   9
RAW+JPEG shooting speed in burst mode (fps):   5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid): 0.14 seconds 0.12 seconds
Shutter lag (full AF, tele): 0.13 seconds  
Shutter lag (full AF, live view - DSLR):   0.75 seconds
Shutter lag (prefocused, live view - DSLR):   0.214 seconds
Shutter Lag (manual focus): 0.110 seconds 0.098 seconds
Shutter lag (full AF, with flash): 0.16 seconds 0.15 seconds
Shutter Lag (prefocused): 0.082 seconds 0.077 seconds
Shutter Lag (notes): Live View Full AF lag: Imager AF: 2.588s AF Sensor: 0.635s Hybrid AF: 0.711s Live View Prefocused lag: 0.569s  
Startup Time: 0.8 seconds 1.0 seconds
Play -> Record Time: 0.3 seconds 0.2 seconds
Flash cycle time, full power: 3.4 seconds 2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 500 shots 410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BLS-1 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BLS-1 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
Internal Charging Supported: No
Software
Included Software: OLYMPUS Master Software CD-ROM Digital Camera Utility 5 Software CD-ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Live View with Onsreen Autofocus, Face Detection, HyperCrystal II LCD, Shadow Adjustment, Perfect Shot Preview, Dust Reduction, Wireless Flash Capability. 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.