| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website |
Manufacturer website
Sony Alpha NEX-7 webpage |
| Predecessor: |
Pentax K10D
K10D vs K20D |
|
| Successor: |
Pentax K-7
K20D vs K-7 |
|
| General | ||
| Model Number: | K20D | NEX-7 |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Compact System Camera |
| Currently Manufactured: | No | No |
| Retail Price: | $799.95 | $1349.99 |
| Street Price: | $1,248.00 | |
| Date Available: | 2008-04-30 | 2011-11-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
28.3 oz
(802 g)
includes batteries |
19.8 oz
(560 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
4.7 x
2.6 x
1.7 in. (120 x 67 x 43 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 24.3 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 368.16mm2 (23.60mm x 15.60mm) | 366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: | 5.05 microns | 3.92 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2 |
| 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: | 65 | 81 |
| DxO Color Depth Score (bits): | 22.9 | 24.1 |
| DxO Dynamic Range Score (evs): | 11.1 | 13.4 |
| DxO Maximum Effective ISO Score (iso): | 639 | 1,016 |
| Image Capture | ||
| Image Resolution: |
4672 x 3104
(14.5 MP,
Other), 3872 x 2592 (10.0 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 1824 x 1216 (2.2 MP, 3:2) |
6000 x 4000
(24.0 MP,
3:2), 6000 x 3376 (20.3 MP, 16:9), 4240 x 2832 (12.0 MP, 3:2), 4240 x 2400 (10.2 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 3008 x 1688 (5.1 MP, 16:9), 12416 x 1856 (23.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 2160 x 5536 (12.0 MP, Other), 2160 x 3872 (8.4 MP, Other), 7152 x 1080 (7.7 MP, Other), 4912 x 1080 (5.3 MP, Other), 1920 x 1080 (2.1 MP, 16:9) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG (EXIF 2.3), MPO (3D), RAW (ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 2.8 | 10.0 |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
1920x1080 (60p/28Mbps/PS or 60i/24Mbps/FX or 60i/17Mbps/FH or 24p/24Mbps/FX or 24p/17Mbps/FH)
1440x1080 (30p/12Mbps) 640x480 (30p/3Mbps) |
|
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | No | Yes |
| HD Video Connection: | 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: | 3.06x | |
| 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 |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Contrast Detect: 25-area, Center, Flexible Spot, Object Tracking, Face Detection |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | EVF / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 | EVF type; 1.3cm (0.5-inch) 2,359K-dot OLED, 100% coverage, 1.09x magnification (0.71x 35mm eq.), 23mm eyepoint, -4 to +1 diopter |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 2,359,000 dots |
| Viewfinder Magnification (35mm equivalent): | 0.63x | 0.73x |
| Viewfinder Magnification (nominal/claimed): | 0.95x | 1.09x |
| 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 (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 16.7x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | 16000 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000. |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, Center-weighted, Spot | 1200-zone Evaluative, 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 | Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) |
| Self Timer: | 2 or 12 seconds | 2 , 10, 10 (3 or 5 frames) seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | Auto, Off, Fill-flash, Rear sync, Slow sync, Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 ft. | 6.0 m / 19.7 ft. |
| Flash Range Description: | Depends on lens | GN=6(m) at ISO 100; Range is lens aperture dependent |
| Max Flash Sync: | 1/180 | 1/160 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.3EV steps | +/- 2.0 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 | MS PRO Duo / 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) | RAW (ARW 2.3), RAW+JPEG |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | |
| 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 | Yes |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
| PictBridge Compliant: | Yes | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Optional Wireless |
| Connections (extended): | DC input, wired remote | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD), 3.5mm Stereo Mic Jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | 0.59 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.36 | 0.65 |
| Buffer size for RAW shooting in single shot mode (frames): | 11 | 5 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.69 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 2.8 | 10.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 38 | 18 |
| RAW shooting speed in burst mode (fps): | 10.0 | |
| Buffer size for RAW shooting in burst mode (frames): | 13 | |
| RAW+JPEG shooting speed in burst mode (fps): | 10.0 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 11 | |
| Shutter lag (full AF, wide/mid): | 0.17 seconds | 0.22 seconds |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.090 seconds | 0.073 seconds |
| Shutter lag (full AF, with flash): | 0.24 seconds | 0.40 seconds |
| Shutter Lag (prefocused): | 0.089 seconds | 0.022 seconds |
| Shutter Lag (notes): | Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s | Full AF lag: Wide-area AF = 0.225s |
| Startup Time: | 0.4 seconds | 1.2 seconds |
| Play -> Record Time: | 0.5 seconds | 1.2 seconds |
| Flash cycle time, full power: | 3.1 seconds | 1.8 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 430 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 530 shots | 350 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI50 | Proprietary NP-FW50 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI50 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: | Yes | Yes |
| Internal Charging Supported: | No | No |
| Software | ||
| Included Software: | CD-ROM S-SW74/75 | Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only |
| Miscellaneous | ||
| Notes & Features: | PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. | 3", 921K-dot, Tilting LCD, XGA OLED TruFinder EVF, 1080p60 AVCHD 2.0 Videos, 10fps Full-res Burst Mode, Sweep Panorama, Hand-held Twilight, Anti-Motion Blur, Auto HDR, DRO, Level Gauge, SD/MS Duo Media Support, Built-in Flash, Flash Hot-shoe. |
