• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-7
  • Sigma DP1 Merrill
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K20D
K20D vs K-7
 
Successor: Pentax K-5
K-7 vs K-5
 
General
Model Number: K-7 DP1 Merrill
Alternate Model Number(s):    
Camera Format: Pro SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $1299.95 $799.00
Street Price:   $849.00
Date Available: 2009-07-15 2012-09-15
Tripod Mount: Yes Yes
Weight: 26.7 oz (758 g)
includes batteries
13.8 oz (391 g)
includes batteries
Size: 5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
4.8 x 2.6 x 2.5 in.
(122 x 67 x 64 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Foveon X3
Effective Megapixels: 14.6 14.8
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 5.07 microns 5.00 microns
Focal Length Multiplier: 1.5x n/a
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: 61  
DxO Color Depth Score (bits): 22.6  
DxO Dynamic Range Score (evs): 10.6  
DxO Maximum Effective ISO Score (iso): 536  
Image Capture
Image Resolution: 4672 x 3104 (14.5 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), RAW (.PEF, .DNG) JPEG, 12-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second: 5.2 3.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1536x1024 (30)
640x416 (30)
640x480 (30)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Sigma Lens; 9 elements in 8 groups
Focal Length (35mm equivalent):   28mm
Focal Length (actual):   19mm
Zoom Ratio:   1.00x
Aperture Range:   f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No No
Normal Focus Range:   100 cm to Infinity
39.4 in to Infinity
Macro Focus Range:   20 cm to Infinity
7.9 in to Infinity
Filter Thread: n/a 49.0mm
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: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection: 9 points select mode, Free move mode; possible to change size of focus frame (Spot, Regular, Large)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter Optional add-on optical type VF-11.
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.61x  
Viewfinder Magnification (nominal/claimed): 0.92x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot Evaluative, center-weighted average, spot
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, USER, Movie No scene modes or effects. Note that maximum shutter speed varies with aperture. Top shutter speeds are 1/2000s at f/5.6-f/16, 1/1600s at f/4.0-f/16 and 1/1250s at f/2.8-f/16.
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 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
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) 12-bit RAW (.X3F), RAW+JPEG
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
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: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Wired or IR  
Connections (extended): DC input, wired remote, external stereo mic jack Combined USB/AV
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 1.68
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 1.84
Buffer size for RAW shooting in single shot mode (frames): 13 9
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.88
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.2 3.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 7
RAW shooting speed in burst mode (fps):   3.8
Buffer size for RAW shooting in burst mode (frames):   7
RAW+JPEG shooting speed in burst mode (fps):   3.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   7
Shutter lag (full AF, wide/mid): 0.09 seconds 0.49 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.075 seconds 0.081 seconds
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.074 seconds 0.043 seconds
Shutter Lag (notes): Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second Full AF lag, Speed Priority AF mode = 0.424s
Startup Time: 0.6 seconds 2.9 seconds
Play -> Record Time: 0.1 seconds 0.8 seconds
Flash cycle time, full power: 3.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   97 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary BP-41
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 2 x Proprietary BP-41 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: CD-ROM S-SW74/75 SIGMA Photo Pro
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows, Mac OS
Miscellaneous
Notes & Features: Sensor-shift image stabilization, new 77-segment metering system, Distortion and Lateral Chromatic Aberrations correction, High Dynamic Range (HDR) image capture mode, HD Movie capture (1280x720, 1536x1024, 640x416 all at 30 frames per second), HDMI output, magnesium alloy body. Update of DP1x with same 14.8MP x 3 Foveon X3 Full Color sensor used in the SD1, 3-inch 920K-dot LCD, and dual TRUE II processors.