| 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 |
Sony A7S II
A7S vs A7S II |
| General | ||
| Model Number: | K-7 | A7S |
| Alternate Model Number(s): | ILCE-7S | |
| Camera Format: | Pro SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1299.95 | $2499.99 |
| Street Price: | $1,998.00 | |
| Date Available: | 2009-07-15 | 2014-07-08 |
| Tripod Mount: | Yes | Yes |
| Weight: |
26.7 oz
(758 g)
includes batteries |
17.9 oz
(507 g)
includes batteries |
| Size: |
5.1 x
3.8 x
2.9 in. (130 x 97 x 74 mm) |
5.0 x
3.7 x
1.9 in. (127 x 94 x 48 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 12.2 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 847.28mm2 (35.60mm x 23.80mm) |
| Approximate Pixel Pitch: | 5.07 microns | 8.40 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| 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: | 61 | 87 |
| DxO Color Depth Score (bits): | 22.6 | 23.9 |
| DxO Dynamic Range Score (evs): | 10.6 | 13.2 |
| DxO Maximum Effective ISO Score (iso): | 536 | 3,702 |
| 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) |
4240 x 2832
(12.0 MP,
3:2), 4240 x 2384 (10.1 MP, 16:9), 2768 x 1848 (5.1 MP, 3:2), 2768 x 1560 (4.3 MP, Other), 2128 x 1416 (3.0 MP, 3:2), 2128 x 1200 (2.6 MP, Other), 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) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG, RAW (14-bit ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 5.2 | 5.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (30)
1536x1024 (30) 640x416 (30) |
1920x1080 (60p/60i/50p/50i/30p/25p/24p)
1280x720 (120p/100p) 1440x1080 (30p/25p) 640x480 (30p/25p) |
| Movie File Format: | AVI (Motion JPEG) | XAVC-S, AVCHD 2.0, MP4 with stereo sound |
| 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 | n/a |
| Focal Length (35mm equivalent): | ||
| Focal Length (actual): | ||
| Zoom Ratio: | ||
| Aperture Range: | ||
| Integrated ND Filter: | No | No |
| Normal Focus Range: | ||
| Macro Focus Range: | ||
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | Up to 4x; 2x Clear Image Digital Zoom |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | 25-point contrast-detect AF: Wide (25 points), Center-weighted, Flexible Spot (S/M/L), Zone |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | EVF / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter | EVF: 0.5-inch (1.30cm) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 2,359,296 dots (786,432 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.61x | 0.71x |
| Viewfinder Magnification (nominal/claimed): | 0.92x | 0.71x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| 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 | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 13.3x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | 102400 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto, 100 - 102,400, expandable to 50 - 409,600 |
| 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 (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 77-segment, Center-weighted, Spot | 1200-zone Evaluative Multi-segment, 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 | Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Picture Effect: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), High Contrast Monochrome, Toy Camera, Soft Highkey, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range: Auto Exposure Difference, Exposure Difference Level (1.0-6.0 EV, 1.0 EV step) |
| Self Timer: | 2 or 12 seconds | 2 or 10; 3/5 shots after 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 | Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
| 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 | 1/250 |
| 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 | Multi Interface 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: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG) | RAW (14-bit ARW 2.3), RAW+JPEG |
| Movie File Format: | AVI (Motion JPEG) | XAVC-S, AVCHD 2.0, MP4 with stereo sound |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | Yes |
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Yes, via USB or Wi-Fi |
| Connections (extended): | DC input, wired remote, external stereo mic jack | Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm) |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | <0.3 | 0.53 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | <0.3 | 0.57 |
| Buffer size for RAW shooting in single shot mode (frames): | 13 | Unlimited |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.52 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 5.2 | 5.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 20 | 62 |
| RAW shooting speed in burst mode (fps): | 5.0 | |
| Buffer size for RAW shooting in burst mode (frames): | 39 | |
| RAW+JPEG shooting speed in burst mode (fps): | 5.0 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 28 | |
| Shutter lag (full AF, wide/mid): | 0.09 seconds | 0.18 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 | 0.129 seconds |
| Shutter lag (full AF, with flash): | 0.15 seconds | |
| Shutter Lag (prefocused): | 0.074 seconds | 0.024 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, Multi-area AF mode = 0.183s |
| Startup Time: | 0.6 seconds | 2.0 seconds |
| Play -> Record Time: | 0.1 seconds | 0.5 seconds |
| Flash cycle time, full power: | 3.7 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 380 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 740 shots | 320 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI90 | Proprietary NP-FW50 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI90 Lithium-ion rechargeable | 2 x Proprietary NP-FW50 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | CD-ROM S-SW74/75 | |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 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. | 720p (1,280 x 720 pixel) video can be recorded at 120fps with an APS-C sensor crop. Can't record 4K video internally, but can output uncompressed 3,840 x 2,160 pixel 4K video over the HDMI port for recording on an external device. Can also output uncompressed Full HD (1,920 x 1,080 pixel) video. Can shoot still images at 5.0 fps in Speed Priority Continuous mode, or 2.5 fps otherwise. Battery life figure of 380 shots is for LCD monitor. Using electronic viewfinder, battery life falls to 320 shots. |
