• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • APS-C 369.0mm2
  • 14.8 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Pentax K-5
  • Sigma SD1 Merrill
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-7
K-7 vs K-5
 
Successor: Pentax K-5 II
K-5 vs K-5 II
 
General
Model Number: K-5 SD1 Merrill
Alternate Model Number(s):   SD1
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No Yes
Retail Price: $1749.95 $2299.00
Street Price: $799.99 $8,492.13
Date Available: 2010-10-15 2011-06-01
Tripod Mount: Yes Yes
Weight: 35.4 oz (1,003 g)
includes batteries, kit lens
28.1 oz (796 g)
includes batteries
Size: 5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 mm)
5.7 x 4.5 x 3.1 in.
(146 x 114 x 80 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Foveon X3
Effective Megapixels: 16.3 14.8
Sensor Format: APS-C APS-C
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 4.81 microns 5.00 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 82  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 14.1  
DxO Maximum Effective ISO Score (iso): 1,162  
Image Capture
Image Resolution: 4928 x 3264 (16.1 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)
4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
Image File Format: JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG) JPEG, RAW (.X3F), RAW + JPEG
Continuous-mode frames/second: 6.5 4.1
Video Capture
Can take movies: Yes No
Movie Resolution: 1920x1080 (25)
1280x720 (30/​25)
640x480 (30/​25)
Movie File Format: AVI (Motion JPEG)  
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Sigma SA bayonet
Lens: smc Pentax 18-55mm f/3.5-5.6AL DA WR Sigma 17-50mm f/2.8 EX DC OS HSM
Focal Length (35mm equivalent): 27 - 83mm 26 - 75mm
Focal Length (actual): 18 - 55mm 17 - 50mm
Zoom Ratio: 3.06x 2.90x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) f/2.8 - f/22 (W/T)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
28 cm to Infinity
11.0 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 77.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX IX+, 11 point (9 cross type focus point in the center), with light wavelength sensor Phase-detection with 11-point Twin Cross AF Sensor; Single AF, Continuous AF (with AF motion prediction function), Manual
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD (playback only)
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., 21.7mm eyepoint, -2.5 to +1.5 diopter SLR type; Pentaprism, 98% coverage, 0.95x magnification, 18mm eyepoint, -3 to +1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.61x 0.63x
Viewfinder Magnification (nominal/claimed): 0.92x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 12800 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-12800, expandable 80 to 51200 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, daylight, shade, cloudy, fluorescent (D, N, W, L), tungsten, flash, CTE, manual (up to 3 settings), Kelvin temperature (up to 3 settings) Auto, Daylight, Shade, Overcast, Incandescent, Fluorescent, Flash and Custom
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot 77-segment Evaluative, Center-Weighted Average, Center Area, Spot Metering; EV 1 to 20 (50mm F1.4 : ISO100)
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  
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. S-TTL (17mm lens angle covered)
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 11.0 m / 36.1 ft.
Flash Range Description: Depends on lens Lens aperture dependent.
Max Flash Sync: 1/180 1/180
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, PC Sync socket
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG) RAW (.X3F), RAW + JPEG
Movie File Format: AVI (Motion JPEG)  
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: No Yes
Remote Control Type: Optional Wired or IR Optional RS-31 IR Wireless, CR-21 Wired
Connections (extended): Mini HMDI, DC input, wired remote, 3.5mm external stereo mic jack Wired Remote, DC Input jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.78
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 0.78
Buffer size for RAW shooting in single shot mode (frames): Unlimited 7
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3  
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 6.5 4.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 31 7
RAW shooting speed in burst mode (fps): 6.5  
Buffer size for RAW shooting in burst mode (frames): 23  
RAW+JPEG shooting speed in burst mode (fps): 6.4  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 22  
Shutter lag (full AF, wide/mid): 0.10 seconds 0.38 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.25 seconds  
Shutter lag (prefocused, live view - DSLR): 0.384 seconds  
Shutter Lag (manual focus): 0.092 seconds 0.244 seconds
Shutter lag (full AF, with flash): 0.21 seconds 0.52 seconds
Shutter Lag (prefocused): 0.092 seconds 0.088 seconds
Shutter Lag (notes): OVF: Full Autofocus lag, Auto Area (11-points) AF = 0.118s Live View (firmware 1.02): - Full AF PD AF = 1.30s - Full AF CD AF = 1.25s - Prefocused = 0.384s Full Autofocus Lag: Auto Area AF = 0.466s
Startup Time: 0.6 seconds 4.5 seconds
Play -> Record Time: 0.3 seconds 0.5 seconds
Flash cycle time, full power: 2.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90; optional D-BG4 Battery Grip Proprietary BP-21
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary BP-21 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: Software (CD-ROM) S-SW110 Sigma Photo Pro 5.0
OS Compatibility:    
Miscellaneous
Notes & Features: New 16.3MP CMOS APS-C sensor with ISOs up to 51200, sensor-shift shake reduction, 1080p HD video at 25fps, 11-point SAFOX IX+ AF system, 100%, 0.92x viewfinder, electronic level with tilt scale, improved in-camera HDR, SDXC compatible with firmware update, weather sealed magnesium allow body on stainless steel chassis. 46-megapixel 23.5 x 15.7mm APS-C full-color sensor, weather-resistant magnesium alloy body, dual "TRUE II" image processing engines, 11-point Twin Cross AF sensor, CompactFlash Type 1 with UDMA support.