| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K20D
K20D vs K-7 |
|
| Successor: |
Pentax K-5
K-7 vs K-5 |
Sony NEX-3N
NEX-3 vs NEX-3N |
| General | ||
| Model Number: | K-7 | NEX-3 |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Compact System Camera |
| Currently Manufactured: | No | No |
| Retail Price: | $1299.95 | $599.99 |
| Street Price: | ||
| Date Available: | 2009-07-15 | 2010-07-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
26.7 oz
(758 g)
includes batteries |
18.0 oz
(511 g)
includes batteries, kit lens |
| Size: |
5.1 x
3.8 x
2.9 in. (130 x 97 x 74 mm) |
4.6 x
2.5 x
1.3 in. (117 x 63 x 33 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 14.2 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 369.72mm2 (23.7mm x 15.6mm) |
| Approximate Pixel Pitch: | 5.07 microns | 5.16 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2, 16:9 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | Fixed |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 61 | 68 |
| DxO Color Depth Score (bits): | 22.6 | 22.1 |
| DxO Dynamic Range Score (evs): | 10.6 | 12.0 |
| DxO Maximum Effective ISO Score (iso): | 536 | 830 |
| 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) |
4592 x 3056
(14.0 MP,
3:2), 4592 x 2576 (11.8 MP, 16:9), 3344 x 2224 (7.4 MP, 3:2), 3344 x 1872 (6.3 MP, Other), 2288 x 1520 (3.5 MP, Other), 2288 x 1280 (2.9 MP, Other) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG, .ARW RAW, RAW+JPEG |
| Continuous-mode frames/second: | 5.2 | 2.7 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (30)
1536x1024 (30) 640x416 (30) |
1280x720 (30)
640x480 (30) |
| Movie File Format: | AVI (Motion JPEG) | MPEG-4 |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | Sony E |
| Lens: | n/a | Sony SEL1855 18-55mm f/3.5-5.6 OSS |
| Focal Length (35mm equivalent): | 27 - 83mm | |
| Focal Length (actual): | 18 - 55mm | |
| Zoom Ratio: | 3.00x | |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 34 (T) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | n/a | 49.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | Up to 10x Precision digital zoom with prime lens attached |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Contrast Detect: 25-area, Center, Flexible Spot; with Face Detection |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter | (Optional FDA-SV1 optical viewfinder available with 16mm FOV) |
| 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 |
| Touchscreen: | No | No |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | |
| Selfie Screen: | No | |
| Max Playback Zoom: | 32.0x | 13.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | |
| Minimum ISO (native): | 100 | |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Color Temp./Filter, Custom |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/4000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 77-segment, Center-weighted, Spot | Multi-segment (49 segments), Center-weighted, 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 | Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Hand-held Twilight, Sweep Panorama |
| Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | 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 | Autoflash, Fill-flash, Rear sync., Slow sync., Red-eye reduction |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 ft. | 7.0 m / 23.0 ft. |
| Flash Range Description: | Depends on lens | Bundled flash has GN of 7m/ISO 100 |
| Max Flash Sync: | 1/180 | 1/160 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe, PC-Sync Socket | Smart Accessory Terminal (flash is detachable) |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG) | .ARW RAW, RAW+JPEG |
| Movie File Format: | AVI (Motion JPEG) | MPEG-4 |
| Included Memory: | No memory included | |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | 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 | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | No |
| Remote Control Type: | Wired or IR | |
| Connections (extended): | DC input, wired remote, external stereo mic jack | Mini HDMI (Type C) |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | <0.3 | 0.77 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | <0.3 | 0.77 |
| Buffer size for RAW shooting in single shot mode (frames): | 13 | 17 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 5.2 | 2.7 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 20 | 38 |
| 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): | 0.09 seconds | 0.44 seconds |
| Shutter lag (full AF, tele): | 0.44 seconds | |
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.075 seconds | |
| Shutter lag (full AF, with flash): | 0.15 seconds | |
| Shutter Lag (prefocused): | 0.074 seconds | 0.115 seconds |
| Shutter Lag (notes): | Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second | |
| Startup Time: | 0.6 seconds | 1.0 seconds |
| Play -> Record Time: | 0.1 seconds | 1.0 seconds |
| Flash cycle time, full power: | 3.7 seconds | 2.8 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 330 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 740 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI90 | Proprietary InfoLithium NP-FW50 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI90 Lithium-ion rechargeable | 1 x Proprietary NP-FW50 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | CD-ROM S-SW74/75 | PMB (Picture Motion Browser) 4.3.01 Image Data Converter SR 3.1 Image Data Lightbox SR |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows 2000/XP/Vista; Mac OS X 10.1.3 or later |
| 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. | Available in black, silver or red. |
