• 1/2.5 inch 24.7mm2
  • 8.0 megapixels
  • 37.00mm - 185.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 12,800
  • Detailed specifications
  • Olympus FE-310
  • Pentax K-r
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-x
K-x vs K-r
Successor:    
General
Model Number: FE-310 K-r
Alternate Model Number(s):    
Camera Format: Compact SLR
Currently Manufactured: No No
Retail Price: $149.99 $849.95
Street Price: $104.99  
Date Available: 2008-01-31 2010-10-15
Tripod Mount: No Yes
Weight: 4.9 oz (140 g) 30.1 oz (852 g)
includes batteries, kit lens
Size: 3.7 x 2.4 x 1.2 in.
(93 x 62 x 31 mm)
4.9 x 3.8 x 2.7 in.
(125 x 97 x 68 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 8.0 12.4
Sensor Format: 1/2.5 inch APS-C
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.76 microns 5.53 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2
Color Filter Type:   RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   72
DxO Color Depth Score (bits):   22.9
DxO Dynamic Range Score (evs):   12.4
DxO Maximum Effective ISO Score (iso):   750
Image Capture
Image Resolution: 3264 x 2448 (8.0 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4288 x 2848 (12.2 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
Image File Format: JPEG JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: n/a 5.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (15)
320x240 (15)
1280x720 (25)
640x480 (25)
Movie File Format: AVI Motion JPEG AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes
Video Usable as Viewfinder: No
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: n/a Pentax K (KA/KAF/KAF2/3)
Lens: Olympus lens smc Pentax DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 37 - 185mm 27 - 84mm
Focal Length (actual): 6.2 - 31mm 18 - 55mm
Zoom Ratio: 5.00x 3.00x
Aperture Range: f/3.2 (wide) / f/4.8 (tele) - ??? f/3.5 - 22 (W), f/5.6 - 38 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 5 cm to Infinity
2.0 in to Infinity
 
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes No
Digital Zoom Values: 4x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: CCD contrast detection SAFOX IX TTL phase-detect 11-point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot
Auto Focus Assist Light? No Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: LCD Optical / LCD
Viewfinder Type:   SLR type; eye-level pentamirror, ~96% coverage, ~0.85x mag., -2.5 to +1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.57x
Viewfinder Magnification (nominal/claimed):   0.85x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.0
Rear Display Resolution: 154,000 dots 921,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   12800
Minimum ISO (native):   200
ISO Settings: Auto, 80, 100, 200, 400, 640 Auto: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600; Manual: 200-12800 (1, 1/2, 1/3 EV steps), up to 1600 in Bulb, expandable to 100-25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, CTE, Manual
Shutter Speed Range: 1/2000 - 4 sec 1/6000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Digital ESP AE, Face detection AE w/ face-detection AF 16-segment Multi, Center-weighted, Spot
Program Auto Exposure: No Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Portrait, Landscape, Night+Portrait, Sport, Indoor, Candle, Self-Portrait, Sunset, Fireworks, Behind Glass, Cuisine, Documents, Auction Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG], Night Scene HDR [JPG]), Sensitivity Priority
Self Timer: 12 seconds seconds 2 or 12 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-Eye Reduction, Fill-In, Off On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: Wide: 0.66 - 15.4 ft (0.2 - 4.7m); Tele: 1.6 - 10.2 ft (0.5 - 3.1m) at ISO 640 Depends on lens
Max Flash Sync:   1/180
Flash Exposure Compensation:   -2 to +1 EV in 0.5EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: xD SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes
Uncompressed Format:   12-bit RAW (.PEF, .DNG)
Movie File Format: AVI Motion JPEG AVI (Motion JPEG)
Included Memory: 20.5 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 Full (LOW) Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: No Yes
Remote Control Type:   Optional IR
Connections (extended):   IrSimple infrared data transfer
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.31
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.31
Buffer size for RAW shooting in single shot mode (frames):   17
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   5.6
Buffer size for JPEG shooting in burst mode (frames, max resolution):   30
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):   0.11 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.098 seconds
Shutter lag (full AF, with flash):   0.15 seconds
Shutter Lag (prefocused):   0.097 seconds
Shutter Lag (notes):   OVF: Full AF lag, Auto-Area: 0.118s Live View: Contrast-Detect AF: 1.049s Phased-Detect AF: 1.197s Prefocused: 0.335s
Startup Time:   0.3 seconds
Play -> Record Time:   0.3 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF):   470 shots
Battery Life, Video:    
Battery Form Factor: 2 x AA Proprietary D-LI109
Usable Battery Types: Alkaline, Lithium disposables; NiMH rechargeables Lithium-ion rechargeable or 4 AAs with D-BH109
Batteries Included: 2 x AA Alkaline disposables 1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   Software CD-ROM S-SW110
OS Compatibility:   Windows XP/Vista/7, MacOS-X 10.3+
Miscellaneous
Notes & Features: Sensor-shift shake reduction, new 11-point SAFOX IX AF system with viewfinder focus indicators, 3-inch hi-res LCD, 6fps burst mode, 720p movies, dual power source (lithium-ion battery pack or 4 AAs with optional D-BH109 battery holder), improved in-camera HDR image capture including a Night Scene HDR mode. Available in Traditional Black, Classic White and Red.