• 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax MX-1
  • Sony Alpha ILCA-A77 II
Links
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A77
A77 vs A77 II
Successor:    
General
Model Number: MX-1 A77 II
Alternate Model Number(s):   ILCA-77M2
Camera Format: Mid-Sized SLR
Currently Manufactured: No Yes
Retail Price: $499.95 $1799.99
Street Price: $1,289.00 $1,198.00
Date Available: 2013-02-15 2014-06-15
Tripod Mount: Yes Yes
Weight: 14.1 oz (399 g)
includes batteries
47.7 oz (1,351 g)
includes batteries, kit lens
Size: 4.8 x 2.4 x 2.0 in.
(122 x 61 x 51 mm)
5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: BSI CMOS Sony
Effective Megapixels: 12.0 24.3
Sensor Format: 1/1.7 inch APS-C
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 1.90 microns 3.92 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 49  
DxO Color Depth Score (bits): 20.4  
DxO Dynamic Range Score (evs): 11.3  
DxO Maximum Effective ISO Score (iso): 208  
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3968 x 2232 (8.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1728 (4.5 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
2048 x 1152 (2.4 MP, 16:9)
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)
Image File Format: JPEG (Exif 2.3), 12-bit DNG RAW JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 4.0 11.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (120p)
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: MOV (MPEG-4 AVC/H.264) with stereo sound AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Sony Alpha (Minolta A)
Lens: smc Pentax Lens, 11 elements in 8 groups (4 aspherical elements) Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 28 - 112mm 24 - 75mm
Focal Length (actual): 6 - 24mm 16 - 50mm
Zoom Ratio: 4.00x 3.13x
Aperture Range: f/1.8 (W) / f/2.5 (T) - f/8 f/2.8 - f/22 (W/T)
Integrated ND Filter: Yes No
Normal Focus Range: 40 cm to Infinity
15.6 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 1.95x 1.4x / 2x Smart Zoom, 2x Clear Image Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Auto, Spot, Tracking , AF Select (25 Points), Infinity Landscape, Manual Focus, Pan Focus, AF Point Switching Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type:   EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):   0.73x
Viewfinder Magnification (nominal/claimed):   1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots (307,000 px) 1,229,760 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
Max Playback Zoom: 10.0x 13.6x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-12800 with selectable upper limit), 100-12800 Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent light (D:Daylight Color, N:Daylight White, W:Cool White, L:Warm White),Tungsten, Flash Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp. 2500 to 9900K, Color Filter G7 to M7 (15-step), Custom 1/2/3
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-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: Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Time Lapse Movie, Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M); Digital filters (capture): Movie (B&W, Sepia, Fisheye, Miniature, Sketch); Dynamic Range adjustment: Yes (shadow, highlight) Scene Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait; Picture Effects: Toy Camera (Normal/Cool/Warm/ Green/Magenta), Pop Color, Posterization (color/B/W), Retro Photo, Soft High-key, Partial color (R/G/B/Y), High Contrast Monochrome, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Rich Tone Monochrome, Miniature (7Setting), Watercolor, Illustration (Hi/Mid/Lo)
Self Timer: 2 or 10; 3 shots after 10 seconds 2, 10; 3 or 5 frames after 10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Red-eye, Slow-speed synchro, Slow-speed+Red-eye, Trailing Curtain Sync Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: 1.31 - 40’ (wide, auto ISO), 1.31 - 29’ (tele, auto ISO) GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync:   1/250
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a Multi Interface Hot shoe, Sync terminal
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit DNG RAW 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: 75.3 MB No memory included
Included Memory Type: Internal  
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 No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Optional wireless, wired or via Wi-Fi
Connections (extended): Micro (Type D) HDMI Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.43 0.36
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.91  
Buffer size for RAW shooting in single shot mode (frames): 7  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.37
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.0 11.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 26
RAW shooting speed in burst mode (fps):   12.0
Buffer size for RAW shooting in burst mode (frames):   28
RAW+JPEG shooting speed in burst mode (fps):   12.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   24
Shutter lag (full AF, wide/mid): 0.24 seconds 0.09 seconds
Shutter lag (full AF, tele): 0.25 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.178 seconds 0.095 seconds
Shutter lag (full AF, with flash): 0.30 seconds 0.21 seconds
Shutter Lag (prefocused): 0.016 seconds 0.051 seconds
Shutter Lag (notes):    
Startup Time: 2.2 seconds 0.8 seconds
Play -> Record Time: 1.4 seconds 0.9 seconds
Flash cycle time, full power: 4.8 seconds 3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 290 shots 480 shots
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-Li106 Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-Li106 Lithium-ion rechargeable 1 x Proprietary NP-FM500H 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 including SILKYPIX Developer Studio 3.0 LE for PENTAX RICOH IMAGING RAW development software Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: Image Stabilization: Still: Sensor-Shift SR, Digital SR (ISO 100-12800), Dual (SR & Pixel Track SR); Movie: Movie Shake Reduction Mode (Movie SR); (Maximum effect of 3 stops using Sensor-Shift SR); 12-bit RAW (DNG) support, Dual-axial digital level, Dual remote control sensors. Available in black or two-tone silver and black. New 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF, Full HD 60p/24p movies using AVCHD 2.0, clean HDMI output, built-in Wi-Fi with NFC, optional VG-C77AM grip.