| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K-30
K-30 vs K-50 |
|
| Successor: |
Sony A77 II
A77 vs A77 II |
Pentax K-70
K-50 vs K-70 |
| General | ||
| Model Number: | A77 | K-50 |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $1999.99 | $779.95 |
| Street Price: | $1,899.00 | $149.00 |
| Date Available: | 2011-10-15 | 2013-07-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
48.1 oz
(1,363 g)
includes batteries, kit lens |
31.9 oz
(904 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.1 x
3.2 in. (143 x 104 x 81 mm) |
5.1 x
3.8 x
2.8 in. (130 x 97 x 71 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | Sony |
| Effective Megapixels: | 24.3 | 16.3 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 372.09mm2 (23.70mm x 15.70mm) |
| Approximate Pixel Pitch: | 3.95 microns | 4.81 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 | Yes |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 78 | 79 |
| DxO Color Depth Score (bits): | 24.0 | 23.7 |
| DxO Dynamic Range Score (evs): | 13.2 | 13.0 |
| DxO Maximum Effective ISO Score (iso): | 801 | 1,120 |
| Image Capture | ||
| Image Resolution: |
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) |
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) |
| Image File Format: | JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG | JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG |
| Continuous-mode frames/second: | 11.6 | 6.0 |
| Video Capture | ||
| Can take movies: | Yes | 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) |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) 640x480 (30p/25p/24p) |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | MOV MPEG-4 AVC (H.264) with monaural audio |
| Composite Video Out: | No | Yes |
| NTSC/PAL Switchable Video: | n/a | Yes |
| Video Usable as Viewfinder: | n/a | No |
| HD Video Out: | Yes | No |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Sony Alpha (Minolta A) | Pentax K (KA/KAF/KAF2/3) |
| Lens: | Sony 16-50mm f/2.8 DT SSM (SAL1650) | smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm |
| Focal Length (35mm equivalent): | 24 - 75mm | 27 - 83mm |
| Focal Length (actual): | 16 - 50mm | 18 - 55mm |
| Zoom Ratio: | 3.13x | 3.06x |
| Aperture Range: | f/2.8 - f/22 (W/T) | f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
30 cm to Infinity 11.8 in to Infinity |
25 cm to Infinity 9.8 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | n/a | 52.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | No |
| Digital Zoom Values: | 1.4x / 2x | n/a |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local | 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) |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / LCD | Optical / LCD |
| Viewfinder Type: | EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter | SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, Natural-Bright-Matte III focusing screen (interchangeable) |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | 2,359,000 dots | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.73x | 0.61x |
| Viewfinder Magnification (nominal/claimed): | 1.09x | 0.92x |
| 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 | No |
| Articulating Screen: | Yes | No |
| Tilt Swivel Screen: | Yes | No |
| Selfie Screen: | Yes | No |
| Max Playback Zoom: | 13.6x | 16.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 16000 | 51200 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto (100-12800 with selectable limits), 50 (expanded), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000. (Multi-frame NR mode up to ISO 25600) | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | 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 | Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/6000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 1200-zone Evaluative, Center-weighted, Spot | TTL open-aperture: 77-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: | Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) | 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 |
| Self Timer: | 2, 10; 3 or 5 frames after 10 seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off | P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync |
| Flash Guide Number (ISO 100): | 12.0 m / 39.4 ft. | 12.0 m / 39.4 ft. |
| Flash Range Description: | GN=12(m) at ISO 100; Range is lens aperture dependent | Depends on lens |
| Max Flash Sync: | 1/250 | 1/180 |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | -2 to +1 EV in 0.5EV steps |
| External Flash Connection: | Proprietary Hot Shoe, PC Sync Terminal | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | Full TTL exposure |
| Image Storage | ||
| Usable Memory Types: | MS Duo / MS PRO Duo / SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (ARW 2.3), RAW+JPEG | 12-bit RAW (.DNG), RAW+JPEG |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | MOV MPEG-4 AVC (H.264) with monaural audio |
| 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: | Yes | No |
| Microphone Jack: | Yes | No |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional Wireless or Wired | Optional Wired or IR |
| Connections (extended): | Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input | Wired remote port |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.42 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.42 | |
| Buffer size for RAW shooting in single shot mode (frames): | 5 | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.42 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 11.6 | 6.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 17 | 30 |
| RAW shooting speed in burst mode (fps): | 11.6 | |
| Buffer size for RAW shooting in burst mode (frames): | 14 | |
| RAW+JPEG shooting speed in burst mode (fps): | 11.6 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 13 | |
| Shutter lag (full AF, wide/mid): | 0.12 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.085 seconds | |
| Shutter lag (full AF, with flash): | 0.33 seconds | |
| Shutter Lag (prefocused): | 0.054 seconds | |
| Shutter Lag (notes): | Full AF, Wide-area mode = 0.119s | |
| Startup Time: | 0.8 seconds | |
| Play -> Record Time: | 1.0 seconds | |
| Flash cycle time, full power: | 3.2 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 530 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 470 shots | 480 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary NP-FM500H | Proprietary; optional D-BH109 AA Battery Holder |
| Usable Battery Types: | Lithium-ion rechargeable | D-LI109 Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary NP-FM500H Lithium-ion rechargeable | 1 x Proprietary D-LI109 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | |
| Internal Charging Supported: | No | |
| Software | ||
| Included Software: | Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) | Software CDROM (SILKYPIX Developer Studio for PENTAX included) |
| OS Compatibility: | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only | |
| Miscellaneous | ||
| Notes & Features: | SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR, Picture Effect, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 12fps Burst Mode, Built-in GPS. | 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). |
