Sony Alpha 77

Sony α77
Overview
SLT-A77V + SAL-1650
Type	Digital single-lens translucent camera
Lens
Lens	Interchangeable, Sony A-mount
Sensor/Medium
Sensor	Exmor APS HD CMOS sensor (23.5 X 15.6mm)
Maximum resolution	Approx. 24.3 megapixels
Storage	Memory Stick PRO Duo/Pro-HG Duo/PRO-HG HX Duo media - SD, SDHC and SDXC memory card
Focusing
Focus modes	Predictive control(AF-A, AF-C), Focus Lock, Eye-start AF, Manual-Focus
Focus areas	Wide (auto, 19 points)/Zone/Spot/Local selectable
Exposure/Metering
Exposure modes	Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night View, Handheld Twilight, (A) Aperture Priority, (P) Program Mode, (S) Shutter Priority, (M) Manual mode
Exposure metering	Advanced 1200-zone evaluative metering, Multi-segment, Center-weighted, Spot
Flash
Flash	Built-in, Pop-up Auto,Auto, Fill-flash, Slow Sync., Rear Sync., Hi-speed sync., Red-eye reduction (on/off selectable for Autoflash and fill-flash mode), Wireless, Off, ADI flash / Pre-flash TTL / Manual flash
Flash bracketing	0.3/0.5/0.7/2.0/3.0EV steps, 3/5 frames(2.0/3.0EV: only 3 frames) selectable
Shutter
Shutter speed range	1/8000 to 30 seconds, bulb
Continuous shooting	24.3megapixel at 12fps
Viewfinder
Viewfinder	TruFinder XGA OLED Electronic View Finder(2,359k dots)
Image Processing
Custom WB	Auto,Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm White, Cool White, Day White, Daylight) , Flash, Setting the color temperature, Color Filter, Custom
General
Rear LCD monitor	3.0” TFT Xtra Fine LCD (921,600 pixels) w/TruBlack technology
Battery	InfoLITHIUM NP-FM500H
Optional battery packs	Sony SLT-A77 VG-C77AM Vertical battery grip
Weight	Approx. 1 lb 7 oz (653g) (excl battery, lens & media) Approx. 1 lb 9.8 oz (732g) (w/battery & media)
Made in	Thailand

Announced by Sony on August 24, 2011 the Sony α77 was the flagship for Sony's midrange Alpha SLT camera line.

The successor to the Sony A700, it is equipped with a 24.3 MP APS-C HD CMOS sensor and boasts a 12-fps burst-shooting mode.

The camera is fitted with Sony's patented “translucent mirror” technology.^[1]

On 1 May 2014 its replacement, the α77 II (ILCA-77M2) was announced with availability in June.^[2]

Model variants

Model variants of the α77 camera body:

SLT-A77V with GPS.
SLT-A77 without GPS (depending on country).

Depending on country/market, the α77 camera is also available in different kits:

SLT-A77VQ (α77V+ 16-50mm lens).
SLT-A77VK (α77V+ 18-55mm lens).
SLT-A77VM (α77V+ 18-135mm lens).

Lens mount

Sony Alpha SLT-A77 uses A-mount lens bayonet.

Features

Image features

24.3 megapixel Exmor APS-C HD CMOS sensor.
Updated BIONZ Image Processor.
2nd generation Translucent Mirror Technology.
Multi-frame Noise Reduction.

Autofocus and metering

19-point autofocus sensors with 11 cross type sensors.
TTL phase-detection AF.
Object tracking AF.
AF Micro Adjust.
1200 Zone exposure metering.

ISO

ISO 100 - 16,000 (25,600 with multi-image combination. Expands down to ISO 80, 64 and 50).
Auto ISO with customizable lower and upper limits.

Shutter

12fps burst mode at full 24.3 megapixel resolution.
1/8000 - 30sec (and Bulb) is the shutter speed range.
Shutter rated for 150,000 actuations.

Ergonomics and functions

TruFinder XGA OLED Electronic Viewfinder with 2359K dots resolution with full 100% frame coverage.
TruBlack XtraFine LCD screen (3"/ 7,5 cm) with 921.6K dots resolution with pull-out three-hinge tilt/swivel functionality.
Live View with full-time Phase Detection AF.
Top panel LCD with illumination.
Built-in dark red auto-focus illuminator.
Dual anti-dust sensor cleaning system.
SteadyShot INSIDE, in-body image stabilization system.
D-Range Optimiser (5 levels and Auto).
Stereo microphone and external mic socket.
A magnesium alloy body with weather sealing.
Built in GPS (SLT-A77V model only).
UHS-I compatible.^[3]
3D Sweep Panorama.

Video

Full HD Movies in 1080i60, 1080p60, 1080p24, 1080i50, 1080p50, 1080p25 ^[4] and 1440 x 1080 @ 30fps, 640 x 424 @ 30fps^[5] most with a range of bitrate settings.
AVCHD / MP4 recording formats.
MPEG-4 AVC / H.264 video compressions.
Dolby Digital (AC-3) / MPEG-4 AAC-LC audio recording formats.

Firmware updates

On 5 February 2013, Sony released^[6] a new firmware V1.07, with the following enhancement:

Added support for Sony α lenses (with automatic compensation compliancy): SAL-100M28, SAL-50M28, SAL-85F28, SAL-18200, SAL-20F28, SAL-28F28.

Performance

In the DxOMark Overall Sensor Score test, which is based on all characteristics of a camera sensor, the APS-C (23.5x15.6mm sensor size) Sony α77 scored 78 points, only one point less than the full-format (36x24mm sensor size) DSLRs Sony Alpha 900 and Canon EOS 5D Mark II.^[7]

Reception

Overall the reception for the Sony SLT-A77 since its release has been mixed to positive.

Digital Photography Review awarded the Sony SLT-A77 an overall score of 81% and a silver award, praising its innovative and detailed EVF viewfinder and its fast 12fps shooting mode but criticizing its JPEG quality and noise level especially at high ISO.^[8]

Photography Blog gave the Sony SLT-A77 a 5 out of 5 stars praising its innovative EVF display, the inclusion of full 1080p video, built-in GPS, 12fps burst mode, dual control dials, top-panel LCD, a 3-way rear screen and myriad of creative effects such as HDR, Dynamic Range Optimization, creative styles, picture effects and the innovative sweep panorama mode.^[9]

Sony α77 II

The α77 II features a BIONZ X image processor similar to the Sony α7 series. It comes with Wi-Fi, NFC and also has 79 AF points with 15 crossing sensor, 12 fps burst speed up to 60 frames in full resolution, continuous AF video Full HD at 60p and 24p. One of the major features is the new sensor with less noise.^[10] GPS has been removed, as has the LED AF illuminator—the pop-up flash is now used for focus assist.

References

↑ "Sony SLT-A77 Camera Review". PhotographyTalk. Retrieved August 22, 2012.
↑ "Sony Electronics introduces the speedy new α77 II". Sony Electronics. Retrieved 1 May 2014.
↑ Transcend-info.com
↑ Manual, p218
↑ Snapsort specs
↑ Sony: SLT-A77V updates | Download updates for SLT-A77V | SLT-A77V
↑ Dxomark.com Retrieved 28 September 2013.
↑ Sony SLT-A77 In-depth Review: Digital Photography Review
↑ Sony α77 Review | PhotographyBLOG
↑ Edgar Alvarez (May 1, 2014). "Sony bets on speed with the second edition of its α77 DSLR".

External links

Wikimedia Commons has media related to Sony SLT-A77.

Official Sony site

back of the Alpha 77

Minolta/Konica Minolta/Sony DSLR and SLT A-mount timeline

	Sensor	2004		2005				2006				2007				2008				2009				2010				2011				2012				2013				2014				2015				2016
		3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4
Professional	Full frame																		α900																α99																α99 II
																							α850
High-end	APS-C	DG-7D												α700																α77											α77 II
Midrange																														α65																		α68
Upper-entry																										α55							α57
										α100												α550				α580												α58
						DG-5D																α500				α560
																								α450
Entry-level																										α33				α35				α37
																α350					α380				α390
																α300					α330
																α200					α230				α290
Early models	Minolta 7000 with SB-70/SB-70S (1986) · Minolta 9000 with SB-90/SB-90S (1986) (Still video SLRs) Minolta MS-C1100 (1992) · Minolta RD-175 (1995)

Single-lens translucent (SLT) camera
5-axis in-body image stabilization (bold)
HD video capable (Video AF)
Dual phase-detection AF (italic)

DSLR, SLT and MILC cameras with HD video (uncompressed – 4K resolution) mode (comparison)

Canon
EOS

High-end	5D Mark II^w (2008) 7D^gw (2009) 1D Mark IV^w (2009) 1D X^gw (2012) 5D Mark III^Hgw (2012) 1D C^gw (2012) 6D^HGW (2012) 7D Mark II^THGw (2014) 5Ds/5DsR^THw (2015) 1D X Mark II^THGw (2016) 5D Mark IV^THGW (2016)

Mid-range	500D (2009) 60D^w (2010) 550D^w (2010) 600D^w (2011) 650D^gHw (2012) EOS M^Hwg (2012) 700D^gHw (2013) 70D^gHW (2013) EOS M2 (2013) 750D^gHW (2015) 760D^gHW (2015) EOS M3^HW (2015) 80D^gTHW (2016) EOS M5^THW (2016)

Entry-level	1100D^w (2011) 100D^H (2013) 1200D^gw (2014) EOS M10^HW (2015) 1300D^gW (2016)

Nikon
D / 1 series

High-end	D300S^Tgw (2009) D3S^Tgw (2009) D800/D800E^THgw (2012) D4^THgw (2012) D600^THgw (2012) D610^THgw (2013) D4S^THgw (2014) D810^THgw (2014) D750^THgW (2014) D810A^THgw (2015) D500^THgW (2016) D5^THgw (2016)

Mid-range	D90^gw (2008) D5000^Tgw (2009) D7000^Tgw (2010) D5100^THgw (2011) 1 V1^TSFgw (2011) 1 V2^SFgw (2012) D5200^THgw (2012) D7100^THgw (2013) D5300^THGW (2013) 1 V3^SFHPgW (2014) D5500^THgW (2015) D7200^THgW (2015) D5600^THgW (2016)

Entry-level	D3100^gw (2010) 1 J1^SFw (2011) D3200^gw (2012) 1 J2^SFHPw (2012) 1 S1^SFHPw (2013) 1 J3^SFHPw (2013) 1 AW1^SFHPGw (2013) D3300^Pgw (2014) 1 J4^SFHPW (2014) 1 J5^TSFHPW (2015) D3400^gw (2016)

Olympus
Micro 4/3

Mid-range	E-M5 (2012) E-P5^W (2013) E-M1^HW (2013) E-M10^THW (2014) PEN-F^THW (2016) E-M1 Mark II^THW (2016)

Entry-level	E-PL1 (2010) E-P1 (2010) E-P2 (2010) E-PL2 (2011) E-PL3 (2011) E-P3 (2011) E-PM1 (2011) E-PL5^W (2012) E-PM2 (2012) E-PL7^W (2014) E-PL8^W (2016)

Panasonic
Lumix

Mid-range	GH1 (2009) GH2 (2010) GH3^THW (2012) GX7 (2013) GM1^THW (2013) GH4^THW (2014)

Entry-level	GF1 (2009) G10 (2010) G2 (2010) GF2 (2010) G3 (2011) GX1 (2011) GF3 (2011) GF5 (2012) G5 (2012) G6 (2013)

Pentax
645 / K /
Q series

High-end	645Z^THgw (2014) K-1^THGW (2016)

Mid-range	K-7^TH (2009) K-5^THg (2010) K-30^THg (2012) K-5 II/K-5 IIs^THg (2012) K-50^THg (2013) K-3^THgw (2013) K-3 II^THGw (2015) K-70^THgw (2016)

Entry-level	K-x^H (2009) K-r^THg (2010) Q^T (2011) K-01^THg (2012) Q10^T (2012) K-500^THg (2013) Q7^T (2013) Q-S1^T (2014)

Samsung
NX series

High-end	NX1 (2014)

Mid-range	NX5^Pg (2010) NX10^Pg (2010) NX11^Pg (2010) NX20^PgW (2012) NX30 (2013) Galaxy NX^PgW (2013) NX500 (2015)

Entry-level	NX100^Pg (2010) NX200^Pg (2011) NX1000^PgW (2012) NX210^PgW (2012) NX300^PgW (2013) NX1100^PgW (2013) NX2000^PgW (2013)

Sony
α

High-end	α99V^HPG/α99^HP (2012) α7/α7R^HPgW (2013) α7S^SHPgW (2014) α7II^HPgW (2014) α7RII^SHPgW (2015) α7SII^SHPgW (2015) α99 II (2016)

Mid-range	α580^HP (2010) α560^HP (2010) α55V^HPG/α55^HP (2010) α77V^HPG/α77^HP (2011) NEX-7^HP (2011) NEX-6^HPW (2011) α65V^HPG/α65^HP (2011) α57^HP (2012) α58^HP (2013) α6000^HPW (2014) α77 II^HPW (2014) α6300^SHPgW (2016)

Entry-level	NEX-3/NEX-3C^HP (2010) NEX-5/NEX-5C^HP (2010) α33^HP (2010) α35^HP (2011) NEX-5N^HP (2011) NEX-C3^HP (2011) NEX-F3^HP (2012) α37^HP (2012) NEX-5R^HPW (2012) NEX-5T^HPW (2013) α3000 (2013) α5000 (2014)

Leica M
Fujifilm X

High-end	Leica M (2012) Leica S (2014) Fujifilm X-Pro2^W (2016) Fujifilm X-T2^PTW (2016)

Mid-range	Fujifilm X-Pro1 (2012) Fujifilm X-E1 (2012) Fujifilm X-E2^W (2013) Fujifilm X-T1^W (2014) Fujifilm X-T10^W (2015)

Entry-level	Fujifilm X-M1^W (2013) Fujifilm X-A1^W (2013) Fujifilm X-A2^W (2015) Fujifilm X-A3^PW (2016) Fujifilm X-A10^W (2016)

Hasselblad XCD

High-end	Hasselblad X1D-50c^GW (2016)

Timelapse^T — Slow motion^S — Fast fps^F — HDR^H — Panorama^P — GPS^G(opt.)^g — WiFi^W(opt.)^w

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