sony a77 II  alpha a77 III  02 640x475The Sony A77 II is now officially the successor of the Sony A77 DSLR camera which was introduced to the market 3 years ago, in summer 2011.  The new 24.3 megapixel interchangeable lens camera packs some serious performance and nice enhancements such as its impressive 79-points Auto Focus (AF) system that includes 15 cross points as well. The ISO sensitivity has been expanded from 16000 to up to 25600 and the camera now has a high resolution 3-way 3.0 LCD (1228k dots) and WiFi/NFC connectivity.

The A77 II key feature is the impressive 79-points Auto Focus system that allows for great subject tracking performance. According to Sony, this camera delivers the world’s highest number of AF points among DSLRs with APS-C sensors.

For performance reasons, this particular model has a dedicated phase-detection AF sensor (which is separated from the image sensor) even thought the new trend is to embed the Phase-Detect function in the main sensor to gain internal volume.  For instance the A77 delivers only 19 points with 11 cross sensors, same as the Canon 70D (with 19 cross sensors) while the Nikon D7100 features 51 points with 15 cross sensors.

The auto focus system provides an Expandable Flexible Spot feature that allows for better subject tracking: if the selected AF point loses track, the tracking continues with the 8 surrounding AF points. The 12 fps continuous shooting has been enhanced with a 60 frames buffering rate which was only 20 frames in the previous model, meaning that you can shoot 60 full-resolution JPEG images at 12 fps.

Other auto focus new features include Eye AF which achieves sharp focusing even when the person is not completely turned toward the camera, AF range control allows the user to set the F to operate only at a certain distance, and the 5-step tracking adjustment enables fine tuning of the subject tracking duration for various motion speeds.

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According to Sony, the 24.3 Exmor CMOS sensor has been slightly improved and, coupled with the new BIONZ X image processor, enables high sensitivity (ISO 100-25600) and high quality full HD 1080p video capture at 60 fps.

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The XGA OLED view finder is almost the same as the one found in the A77 except for the additional steps in brightness adjustment. Other improvements include the WhiteMagic technology added to the 12228 dot 3-way tiltable LCD, for clearer viewing in direct sunlight, 11 customizable buttons with 53 assignable functions and enhanced UI .

The A77 II features a HDMI output that is compatible with 4K TVs where you will be able to view your still images in this super high resolution.

The A 77 II will be priced at $1199.99 (body) and $1799.99 with the 16-50 mm F2.8 SSM SAL 1650 lend kit.

SLT-a77V ILCA-a77 II
Image Sensor Type Image Sensor Type Exmor APS HD CMOS Exmor APS HD CMOS
Image Sensor Size Image Sensor Size 23.5 x 15.6mm (APS-C size) 23.5 x 15.6mm (APS-C size)
Effective Pixel Number Effective Pixel Number 24.3M pixels (appx) 24.3M pixels (appx)
Compatible Media Memory Stick Pro Duo,Pro-HG Duo Pro Duo,Pro-HG Duo
Secure Digital SD/SDHC/SDXC SD/SDHC/SDXC
Slot Slot Multi slot for Memory Stick Duo/SD Multi slot for Memory Stick Duo/SD
File System File System FAT12,16, 32 FAT12,16, 32
Image Format Image Format JPEG,RAW(ARW2.3 Format),RAW+JPEG JPEG,RAW(ARW2.3 Format),RAW+JPEG
Recording Formats Recording Formats AVCHD (v2.0) / AVC MP4 AVCHD (v2.0) / AVC MP4
Video Compression Video Compression AVCHD Ver. 2.0 compliant /
MPEG-4 AVC (H.264)
AVCHD Ver. 2.0 compliant /
MPEG-4 AVC (H.264)
Audio Recording Format Audio Recording Format Dolby Digital (AC3)/MPEG-4 AAC-LC Dolby Digital (AC3)/MPEG-4 AAC-LC
Image Size (AVCHD) 1920X1080 60p PS 59.97fps Progressive, appx 28Mbps 59.97fps Progressive, appx 28Mbps
1920X1080 60p FX 59.97fps Progressive / 24Mbps 59.97fps Progressive / 24Mbps
1920X1080 60i FH 59.97fps Interlaced, appx 17Mbps 59.97fps Interlaced, appx 17Mbps
1920X1080 24p FX 24fps Progressive, appx 24Mbps 24fps Progressive, appx 24Mbps
1920X1080 24p FH 24fps Progressive, appx 17Mbps 24fps Progressive, appx 17Mbps
Image Size (MP4) 1440X1080 30p 29.97fps Progressive, appx 12Mbps 29.97fps Progressive, appx 12Mbps
1280X720 30p
640X480 30p 29.97fps Progressive, appx 3 Mbps 29.97fps Progressive, appx 3 Mbps
Number of Focus Points Number of Focus Points 19 points, 11 cross-type 79 points, 15 cross-type,
f/2.8 center sensor
Sensitivity range Sensitivity range -1 EV to +18 EV(at ISO100 eq) -2 EV to +18 EV(at ISO100 eq)
Focus mode Single-shot AF Yes Yes
Automatic AF (AF-A) Yes Yes
Continuous AF (AF-C) Yes Yes
Direct Manual Focus No Yes, AF-A/DMF selectable
Manual focus Yes Yes
ISO Sensitivity (REI) ISO Sensitivity Auto Yes, Min/Max selectable 100-12800 Yes, Min/Max selectable 100-25600
ISO Range (still image) 100-16000 selectable, 50 extension
100-25600 in Mutli-frame NR mode
100-256000 selectable; 50/64/80 ext;
Auto/100-51200 in Mutli-frame NR
ISO Range (movie) Auto, 100-12800 selectable
Built-In-Flash Flash Type Auto popup,built-in Auto popup,built-in
Guide Number 12 (in meters at ISO 100) 12 (in meters at ISO 100)
Flash Coverage FOV coverage to 16 mm FOV coverage to 16 mm
Recycling Time approx 3 sec approx 3 sec
Flash Ready Indicator flashing to lit
Flash Control System ADI flash / TTL Pre-flash ADI flash / TTL Pre-flash / Manual
Red-eye reduction Yes(ON/OFF select in menu) Yes(ON/OFF select in menu)
Flash compensation ±2EV (1/3EVsteps) ±3EV (1/3, 1/2 EVsteps)
Flash Bracketing No No
FE Lock No Yes
External Flash Compatible System Sony A-mount System Flash Sony Multi-interface (Mi) Shoe
Wireless Control Yes Yes
High Speed Sync (w/ext fl) Yes Yes
Type Electronically-controlled, vertical-traverse, focal-plane type Electronically-controlled, vertical-traverse, focal-plane type
Speed range 1/4000 second – 30 seconds, bulb 1/8000 second – 30 seconds, bulb
Electronic first curtain Yes, on/off selectable Yes, on/off selectable
Release lag appx 50 mS
Flash Sync Speed 1/250 second 1/250 second
Drive Mode Single-frame advance Yes Yes
Continuous advance Yes Yes, Hi/Lo selectable
Continuous adv Priority AE Yes Yes, 12fps w/continuous AF
Self-timer Yes(10 seconds , 2 seconds) Yes(10 seconds , 2 seconds)
Continuous Self-timer N/A N/A
Nuber of frames recordable JPEG (Standard/Fine) 18 / 14 frames 93 (Std) / 75 (Fine) / 56 (Xtra Fine)
during continuous advance JPEG (Std/Fine Tele Z) 64 (Std)/60(Fine)/53(XtraF)
RAW 13 frames 28 (Cont) / 26 (Cont Adv Priority)
RAW+JPEG 11 frames 26 (Cont) / 25 (Cont Adv Priority)
Auto Portrait Framing Auto Object Framing
Smart Zoom Yes, 1.4x (8.4MP), 2.0x (4MP)
Clear Image Zoom Yes, 0-2x, Still and Movie
View Finder Brightness Setting Yes, (Auto/±1 Steps) Yes, (Auto/±2 Steps)
Total number of dots 921.6K (640 X 3(RGB) X 480) 1229K (640 X 3(RGB+W) X 480)
Screen Angle Adjustment Tilt:150° upward / 180° downward
Rotation:180° clockwise / 90° counterclockwise
Tilt:150° upward / 180° downward
Rotation:180° clockwise / 90° counterclockwise
Built-in Microphone Yes, Stereo Yes, Stereo
Wind Noise Reduction Yes, on/off selectable
Auto Review after shooting Off / 2 / 5 / 10 sec selectable Off / 2 / 5 / 10 sec selectable
USB 2.0(Hi-Speed) Yes, Mini-B terminal Yes, Micro / Multi terminal
USB Connecting Mass Storage Yes Yes
PTP Yes Yes
PC Remote Yes
HD Output HDMI Yes, (Type C Mini) Yes, (Type C Mini)
Microphone Input terminal Yes, 3.5mm Stereo minijack Yes, 3.5mm Stereo minijack
PC Control Image Data Transfer No Yes
Camera Control No Yes
Power Requirements Battery InfoLitium NP-FM500H,7.2V InfoLitium NP-FM500H,7.2V
AC adapter AC-PW10AM(optional),8.4V AC-PW10AM(optional),8.4V
Supplied Battery NP-FM500H, Power Pack, Li-ion NP-FM500H, Power Pack, Li-ion
Battery Life Using Eye-level finder appx 470 shots (CIPA Std) appx 410 shots (CIPA Std)
Using LCD display appx 530 shots (CIPA Std) appx 480 shots (CIPA Std)
Video recording appx 185 min (finder or LCD) appx 110 min (EVF), 120 min (LCD)
Magnesium alloy / Polycarbonate Magnesium alloy
Yes Yes
excluding protrusions English (appx) 5-3/4 x 4-1/8 x 3-1/4″ 5-3/4 x 4-1/8 x 3-1/4″
Metric 142.6 x 104 x 80.9mm 142.6 x 104.2 x 80.9mm
Body only (w/o battery, memory card and accy) 1 lb, 7 oz (653g) 1 lb, 7 oz (647g)
Filed in Breaking >Photo-Video . Tags: cameras, dslr, Sony and sony alpha.
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