| Prices: |
Compare Prices
|
Compare Prices
|
| Manufacturer URL: |
Manufacturer website
|
Manufacturer website
|
| Predecessor: |
Pentax 645D
645D vs 645Z
|
Sony A77
A77 vs A77 II
|
| Successor: |
|
|
| Model Number: |
645Z |
A77 II |
| Alternate Model Number(s): |
|
ILCA-77M2 |
| Camera Format: |
Pro SLR |
SLR |
| Currently Manufactured: |
Yes |
Yes |
| Retail Price: |
$8499.95 |
$1799.99 |
| Street Price: |
$4,845.43 |
$1,198.00 |
| Date Available: |
2014-06-15 |
2014-06-15 |
| Tripod Mount: |
Yes |
Yes |
| Weight: |
54.9 oz
(1,555 g)
includes batteries
|
47.7 oz
(1,351 g)
includes batteries, kit lens
|
| Size: |
6.1 x
4.6 x
4.8 in.
(156 x
117 x
123 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 |
|
|
| Sensor Type: |
CMOS |
CMOS |
| Sensor Manufacturer: |
Sony |
Sony |
| Effective Megapixels: |
51.4 |
24.3 |
| Sensor Format: |
Medium format |
APS-C |
| Sensor size: |
1436.64mm2 (43.80mm x 32.80mm) |
366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: |
5.31 microns |
3.92 microns |
| Focal Length Multiplier: |
0.8x |
1.5x |
| Aspect Ratio: |
4:3 |
3:2 |
| Color Filter Type: |
RGBG |
RGBG |
| Anti Aliasing Filter: |
None |
Fixed |
| Self-Cleaning: |
Yes |
Yes |
| Sensor shift image stabilization: |
No |
Yes |
| On-Sensor Phase Detect: |
No |
No |
| DxO Sensor Score: |
101 |
|
| DxO Color Depth Score (bits): |
26.0 |
|
| DxO Dynamic Range Score (evs): |
14.7 |
|
| DxO Maximum Effective ISO Score (iso): |
4,505 |
|
| Image Resolution: |
8256 x 6192
(51.1 MP,
4:3),
6192 x 5184
(32.1 MP,
Other),
5376 x 4032
(21.7 MP,
4:3),
1920 x 1440
(2.8 MP,
4:3) |
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, 14-bit PEF / DNG RAW, TIFF |
JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: |
3.1 |
11.5 |
| Can take movies: |
Yes |
Yes |
| Movie Resolution: |
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p)
|
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; Motion JPEG (AVI) for Interval Movie Record |
AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC |
| Composite Video Out: |
No |
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 Mount: |
Pentax 645 bayonet |
Sony Alpha (Minolta A) |
| Lens: |
n/a |
Sony 16-50mm f/2.8 DT SSM (SAL1650) |
| Focal Length (35mm equivalent): |
|
24 -
75mm
|
| Focal Length (actual): |
|
16 -
50mm
|
| Zoom Ratio: |
|
3.13x |
| Aperture Range: |
|
f/2.8 - f/22 (W/T) |
| Integrated ND Filter: |
No |
No |
| Normal Focus Range: |
|
30 cm to Infinity
11.8 in to Infinity
|
| Macro Focus Range: |
|
|
| Filter Thread: |
n/a |
n/a |
| Thread Type: |
n/a |
n/a |
| Optical Image Stabilization: |
No |
No |
| Digital Zoom: |
|
Yes |
| Digital Zoom Values: |
|
1.4x / 2x Smart Zoom, 2x Clear Image Zoom |
| Auto Focus: |
Yes |
Yes |
| Auto Focus Type: |
27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points) |
Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor |
| Auto Focus Assist Light? |
No |
Yes |
| Manual Focus: |
Yes |
Yes |
| Viewfinder: |
Optical / LCD
|
EVF / LCD
|
| Viewfinder Type: |
Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens) |
EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter |
| Focus Peaking: |
Yes |
Yes |
| EVF Resolution: |
n/a
|
2,359,296 dots (786,432 pixels)
|
| Viewfinder Magnification (35mm equivalent): |
0.78x |
0.73x |
| Viewfinder Magnification (nominal/claimed): |
0.62x |
1.09x |
| Eye-level Viewfinder: |
Yes |
Yes |
| Rear Display: |
Yes |
Yes |
| Rear Display Size (inches): |
3.2 |
3.0 |
| Rear Display Resolution: |
1,036,800 dots
(345,600 px)
|
1,229,760 dots
(307,200 px)
|
| Touchscreen: |
No |
No |
| Articulating Screen: |
Yes |
Yes |
| Tilt Swivel Screen: |
No |
Yes |
| Selfie Screen: |
No |
Yes |
| Max Playback Zoom: |
16.0x |
13.6x |
| Top Deck Display: |
Yes |
Yes |
|
|
| Maximum ISO (native): |
204800 |
25600 |
| Minimum ISO (native): |
100 |
100 |
| ISO Settings: |
Auto, 100-204800 in 1, 1/2 or 1/3EV steps |
Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR |
| 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, Flash, CTE; Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible |
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: |
1/4000 - 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: |
86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering |
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: |
Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3) |
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 12 seconds |
2, 10; 3 or 5 frames after 10 seconds |
| Time Lapse (intervalometer): |
Yes |
|
| High Resolution Composite: |
No |
No |
| Built-in Flash: |
No |
Yes |
| Flash Modes: |
P-TTL; high-speed sync, wireless sync supported with compatible flash unit |
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: |
n/a |
GN=12(m) at ISO 100; Range is lens aperture dependent |
| Max Flash Sync: |
1/125 |
1/250 |
| Flash Exposure Compensation: |
-2 to +1 EV
|
+/- 3.0 EV
in 0.3EV steps
|
| External Flash Connection: |
Hot shoe, X-sync socket |
Multi Interface Hot shoe, Sync terminal |
| Built-In Wireless Flash Control: |
|
Full TTL exposure |
| Usable Memory Types: |
SD / SDHC / SDXC |
MS Duo / MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: |
UHS-I |
UHS-I |
| Other Memory: |
|
|
| Dual Card Slots: |
Yes |
No |
| RAW Capture Support: |
Yes |
Yes |
| Uncompressed Format: |
14-bit PEF / DNG RAW, TIFF |
12-bit RAW (ARW 2.3), RAW+JPEG |
| Movie File Format: |
MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record |
AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC |
| Included Memory: |
No memory included |
No memory included |
| Included Memory Type: |
|
|
| Built-In Wi-Fi: |
No |
Yes |
| NFC: |
No |
Yes |
| Bluetooth: |
No |
No |
| Built-In GPS: |
No |
No |
| Microphone Jack: |
Yes |
Yes |
| Headphone Jack: |
No |
No |
| External Connections: |
USB 3.0 Super Speed |
USB 2.0 High Speed,WiFi |
| PictBridge Compliant: |
No |
Yes |
| DPOF Compliant: |
No |
Yes |
| Remote Control: |
Yes |
Yes |
| Remote Control Type: |
Optional wired or wireless |
Optional wireless, wired or via Wi-Fi |
| Connections (extended): |
Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket |
Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input |
|
|
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
0.35 |
0.36 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): |
0.33 |
|
| Buffer size for RAW shooting in single shot mode (frames): |
10 |
|
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
0.33 |
0.37 |
| Camera penalizes early shutter press? |
Yes |
No |
| JPEG shooting speed in burst mode (fps, max resolution): |
3.1 |
11.5 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): |
12 |
26 |
| RAW shooting speed in burst mode (fps): |
3.1 |
12.0 |
| Buffer size for RAW shooting in burst mode (frames): |
10 |
28 |
| RAW+JPEG shooting speed in burst mode (fps): |
3.1 |
12.0 |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): |
10 |
24 |
| Shutter lag (full AF, wide/mid): |
0.16 seconds |
0.09 seconds |
| Shutter lag (full AF, tele): |
|
|
| Shutter lag (full AF, live view - DSLR): |
1.17 seconds |
|
| Shutter lag (prefocused, live view - DSLR): |
0.385 seconds |
|
| Shutter Lag (manual focus): |
0.117 seconds |
0.095 seconds |
| Shutter lag (full AF, with flash): |
|
0.21 seconds |
| Shutter Lag (prefocused): |
0.112 seconds |
0.051 seconds |
| Shutter Lag (notes): |
OVF:
Full AF lag, wide-area mode = 0.170s
Live View:
Full AF lag, Spot AF mode = 1.174s
Prefocused = 0.385s |
|
| Startup Time: |
1.5 seconds |
0.8 seconds |
| Play -> Record Time: |
0.7 seconds |
0.9 seconds |
| Flash cycle time, full power: |
|
3.1 seconds |
| Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
480 shots |
| Battery Life, Still (CIPA Rating OVF/EVF): |
650 shots |
410 shots |
| Battery Life, Video: |
|
|
| Battery Form Factor: |
Proprietary D-LI90 |
Proprietary NP-FM500H |
| Usable Battery Types: |
Lithium-ion rechargeable |
Lithium-ion rechargeable |
| Batteries Included: |
1 x Proprietary D-LI90 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 |
Yes |
| Internal Charging Supported: |
No |
No |
| Included Software: |
|
Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) |
| OS Compatibility: |
|
Windows, Mac OS X |
| Notes & Features: |
New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode. |
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. |
