| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K-30
K-30 vs K-50 |
Sony A7R II
A7R II vs A7R III |
| Successor: |
Pentax K-70
K-50 vs K-70 |
Sony A7R IV
A7R III vs A7R IV |
| General | ||
| Model Number: | K-50 | A7R III |
| Alternate Model Number(s): | ILCE-7RM3 | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $779.95 | $3200.00 |
| Street Price: | $149.00 | $2,248.00 |
| Date Available: | 2013-07-15 | 2017-11-30 |
| Tripod Mount: | Yes | Yes |
| Weight: |
31.9 oz
(904 g)
includes batteries, kit lens |
23.2 oz
(657 g)
includes batteries |
| Size: |
5.1 x
3.8 x
2.8 in. (130 x 97 x 71 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 | Sony |
| Effective Megapixels: | 16.3 | 42.4 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 372.09mm2 (23.70mm x 15.70mm) | 861.6mm2 (35.90mm x 24.00mm) |
| Approximate Pixel Pitch: | 4.81 microns | 4.51 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | None |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 79 | 100 |
| DxO Color Depth Score (bits): | 23.7 | 26.0 |
| DxO Dynamic Range Score (evs): | 13.0 | 14.7 |
| DxO Maximum Effective ISO Score (iso): | 1,120 | 3,523 |
| Image Capture | ||
| Image Resolution: |
4928 x 3264
(16.1 MP,
Other), 4224 x 2816 (11.9 MP, 3:2), 3456 x 2304 (8.0 MP, 3:2), 2688 x 1792 (4.8 MP, 3:2) |
7952 x 5304
(42.2 MP,
3:2), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 7952 x 4472 (35.6 MP, 16:9), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 2592 x 1728 (4.5 MP, 3:2), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 2592 x 1456 (3.8 MP, 16:9) |
| Image File Format: | JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG | JPEG, RAW (14-bit ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 6.0 | 9.9 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) 640x480 (30p/25p/24p) |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p) |
| Movie File Format: | MOV MPEG-4 AVC (H.264) with monaural audio | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / 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/KAF2/3) | Sony E |
| Lens: | smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm | n/a |
| Focal Length (35mm equivalent): | 27 - 83mm | |
| Focal Length (actual): | 18 - 55mm | |
| Zoom Ratio: | 3.06x | |
| Aperture Range: | f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | 52.0mm | 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; up to 2x Clear Image Digital Zoom |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot) | Fast Hybrid 4D AF with 399 focal plane phase-detect points and 425 contrast-detect AF points; Wide (399 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); Touch AF |
| 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, Natural-Bright-Matte III focusing screen (interchangeable) | EVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | n/a | 3,686,400 dots (1,228,800 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.61x | 0.78x |
| Viewfinder Magnification (nominal/claimed): | 0.92x | 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) | 1,440,000 dots (360,000 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 51200 | 32000 |
| 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), ISO 100 - 32000, expandable to ISO 50 - 102400 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets | 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, 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, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3 | 3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: | 2 or 12 seconds | 2, 5, 10; 3/5 shots after 2/5/10 seconds |
| Time Lapse (intervalometer): | Yes | No |
| High Resolution Composite: | No | 42.4 megapixels |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync | Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): | 12.0 m / 39.4 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, Sync Terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | No |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | UHS-II | |
| Other Memory: | Slot1:SD UHS-II; 2:MS/SD UHS-I | |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.DNG), RAW+JPEG | RAW (14-bit ARW 2.3), RAW+JPEG |
| Movie File Format: | MOV MPEG-4 AVC (H.264) with monaural audio | 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 Wired or IR | Optional via RM-VPR1, USB or Wi-Fi |
| Connections (extended): | Wired remote port | 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): | <0.3 | |
| 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): | <0.3 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 6.0 | 9.9 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 30 | 82 |
| RAW shooting speed in burst mode (fps): | 9.2 | |
| Buffer size for RAW shooting in burst mode (frames): | 30 | |
| RAW+JPEG shooting speed in burst mode (fps): | 9.1 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 30 | |
| Shutter lag (full AF, wide/mid): | 0.25 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.105 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.023 seconds | |
| Shutter Lag (notes): | Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123s | |
| Startup Time: | 1.7 seconds | |
| Play -> Record Time: | 1.4 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 650 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 480 shots | 530 shots |
| Battery Life, Video: | 100 minutes | |
| Battery Form Factor: | Proprietary; optional D-BH109 AA Battery Holder | Proprietary |
| Usable Battery Types: | D-LI109 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: | Yes | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | Software CDROM (SILKYPIX Developer Studio for PENTAX included) | Capture One Express (for Sony) free download |
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | Replaces K-30: tweaked 16MP sensor, tweaked PRIME M processor, maximum ISO now 51,200, controllable Eye-Fi connection, new WR L kit lenses. Available in 120 colors (20 base colors, 6 grip colors). | |
