| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Sony A7 II
A7 II vs A7 III |
|
| Successor: |
Sony A7 IV
A7 III vs A7 IV |
|
| General | ||
| Model Number: | K-S1 | A7 III |
| Alternate Model Number(s): | ILCE-7M3 | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $799.95 | $1999.99 |
| Street Price: | $501.65 | $1,648.00 |
| Date Available: | 2014-09-15 | 2018-04-10 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.0 oz
(765 g)
includes batteries, kit lens |
33.3 oz
(945 g)
includes batteries, kit lens |
| Size: |
4.8 x
3.7 x
2.8 in. (121 x 93 x 70 mm) |
5.0 x
3.8 x
2.9 in. (127 x 96 x 74 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 20.1 | 24.2 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 366.6mm2 (23.50mm x 15.60mm) | 847.28mm2 (35.60mm x 23.80mm) |
| Approximate Pixel Pitch: | 4.29 microns | 5.93 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Optional | Fixed |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 78 | 96 |
| DxO Color Depth Score (bits): | 23.5 | 25.0 |
| DxO Dynamic Range Score (evs): | 13.0 | 14.7 |
| DxO Maximum Effective ISO Score (iso): | 1,061 | 3,730 |
| Image Capture | ||
| Image Resolution: |
5472 x 3648
(20.0 MP,
3:2), 4224 x 2816 (11.9 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
6000 x 4000
(24.0 MP,
3:2), 3936 x 2624 (10.3 MP, 3:2), 3008 x 2000 (6.0 MP, 3:2), 3936 x 2624 (10.3 MP, 3:2), 3008 x 2000 (6.0 MP, 3:2), 1968 x 1312 (2.6 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 3936 x 2216 (8.7 MP, 16:9), 3008 x 1688 (5.1 MP, 16:9), 3936 x 2216 (8.7 MP, 16:9), 3008 x 1688 (5.1 MP, 16:9), 1968 x 1112 (2.2 MP, Other) |
| Image File Format: | JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) | JPEG, RAW (14-bit ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 5.4 | 9.9 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p) |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p) |
| Movie File Format: | MPEG-4 AVC/H.264 (MOV) | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo |
| Composite Video Out: | No | |
| NTSC/PAL Switchable Video: | n/a | n/a |
| Video Usable as Viewfinder: | n/a | n/a |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | Sony E |
| Lens: | smc Pentax-DA L 18-55mm f/3.5-5.6 AL | Sony FE 28-70mm f/3.5-5.6 OSS SEL2870 |
| Focal Length (35mm equivalent): | 27 - 83mm | 28 - 70mm |
| Focal Length (actual): | 18 - 55mm | 28 - 70mm |
| Zoom Ratio: | 3.06x | 2.50x |
| Aperture Range: | f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) | f/3.5-22 (W) / f/5.6-36 (T) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
40 cm to Infinity 15.7 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | 52.0mm | 55.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | Up to 4x; up to 2x Clear Image Digital Zoom | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) | Fast Hybrid AF (Phase-detect + Contrast-detect AF): 693 phase-detection AF points covering 93% of image area, 425 contrast AF points; Wide (693 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot) |
| 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, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter | EVF: 0.5-inch (1.30cm), 2359K-dot XGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | n/a | 2,359,296 dots (786,432 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.63x | 0.78x |
| Viewfinder Magnification (nominal/claimed): | 0.95x | 0.78x |
| 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) | 921,600 dots (307,200 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | 18.8x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 51200 | 51200 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) | Auto (ISO 100-12800, selectable lower limit and upper limit), 100 - 51200, expandable to 50 - 204800 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, 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: | 1/6000 - 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 Multi, Center-weighted, Spot | 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3 | Scene Modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Night Portrait; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: | 2 or 12 seconds | 2 or 10; 3/5 shots after 10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) | Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): | 10.0 m / 32.8 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 | Multi Interface Hot shoe |
| Built-In Wireless Flash Control: | No | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | UHS-I | UHS-II |
| Other Memory: | UHS-I compliant | Slot1:SD UHS-II; 2:MS/SD UHS-I |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | RAW (14-bit ARW 2.3), RAW+JPEG |
| Movie File Format: | MPEG-4 AVC/H.264 (MOV) | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / 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 | Yes |
| NFC: | No | Yes |
| Bluetooth: | No | Yes |
| 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,USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Optional via RM-VPR1, USB or Wi-Fi |
| Connections (extended): | Micro (Type D) HMDI | USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.57 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
| Buffer size for RAW shooting in single shot mode (frames): | ||
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.57 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 5.4 | 9.9 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 20 | 163 |
| RAW shooting speed in burst mode (fps): | 9.7 | |
| Buffer size for RAW shooting in burst mode (frames): | 33 | |
| RAW+JPEG shooting speed in burst mode (fps): | 9.7 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 30 | |
| Shutter lag (full AF, wide/mid): | 0.20 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.125 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.023 seconds | |
| Shutter Lag (notes): | ||
| Startup Time: | 1.7 seconds | |
| Play -> Record Time: | 0.9 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 710 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 480 shots | 610 shots |
| Battery Life, Video: | 115 minutes | |
| Battery Form Factor: | Proprietary D-LI109 | Proprietary |
| Usable Battery Types: | Lithium-ion rechargeable | NP-FZ100 Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI109 Lithium-ion rechargeable | 1 x Proprietary NP-FZ100 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | No | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | Digital Camera Utility 5 Software CD-ROM | |
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black. | |
