• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 25.00mm - 250.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A77
  • Panasonic Lumix DMC-ZS100
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony A77 II
A77 vs A77 II
Panasonic ZS200
ZS100 vs ZS200
General
Model Number: A77 ZS100
Alternate Model Number(s):   TZ100
Camera Format: SLR EVF
Currently Manufactured: No Yes
Retail Price: $1999.99 $699.99
Street Price: $1,899.00 $497.99
Date Available: 2011-10-15 2016-03-30
Tripod Mount: Yes Yes
Weight: 48.1 oz (1,363 g)
includes batteries, kit lens
10.9 oz (309 g)
includes batteries
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
4.4 x 2.5 x 1.7 in.
(111 x 65 x 44 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.3 20.1
Sensor Format: APS-C 1 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 3.95 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 78 70
DxO Color Depth Score (bits): 24.0 22.8
DxO Dynamic Range Score (evs): 13.2 12.5
DxO Maximum Effective ISO Score (iso): 801 559
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)
5472 x 3648 (20.0 MP, 3:2),
3888 x 2592 (10.1 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
4864 x 3648 (17.7 MP, 4:3),
3456 x 2592 (9.0 MP, 4:3),
2432 x 1824 (4.4 MP, 4:3),
5472 x 3080 (16.9 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
2592 x 2592 (6.7 MP, 1:1),
1824 x 1824 (3.3 MP, 1:1)
Image File Format: JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), RAW, RAW+JPEG
Continuous-mode frames/second: 11.6 9.9
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)
3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
640x480 (30p)
1920x1080 (120p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo AVCHD or MP4 with stereo sound
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 & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) LEICA DC VARIO-ELMARIT 12 elements in 10 groups (5 aspherical elements/9 aspherical surfaces)
Focal Length (35mm equivalent): 24 - 75mm 25 - 250mm
Focal Length (actual): 16 - 50mm 9.1 - 91mm
Zoom Ratio: 3.13x 10.00x
Aperture Range: f/2.8 - f/22 (W/T) f/2.8 (wide) / f/5.9 (tele) - f/8.0; Multistage Iris Diaphragm
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   5 cm to Infinity
2.0 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local Contrast Detect with DFD: Face/Eye Detection / Tracking / 49-area / Custom Multi / 1-area / Pinpoint; Eye Sensor AF, Touch AF/AE Function, Touch Shutter, Touch Pad AF, MF Assist, Touch MF Assist, AF+MF, Focus Peaking, One Shot AF (Set the Fn button in custom menu to AF-ON), Low Light AF, Starlight AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / 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 EVF type; 0.2-inch 1160K-dot equiv., Field of View: Approx. 100%, Magnification: Approx. 1.26x / 0.46x (35mm equiv.), Eye Sensor
Focus Peaking: Yes Yes
EVF Resolution: 2,359,000 dots 386,666 dots
Viewfinder Magnification (35mm equivalent): 0.73x 0.46x
Viewfinder Magnification (nominal/claimed): 1.09x 1.26x
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) 1,040,000 dots
Touchscreen: No Yes
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 13.6x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 16000 12800
Minimum ISO (native): 100 125
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, iISO, 80*, 100*, 125 - 12800, 25600* (* Extended ISOs); 1 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, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature (2-axis adjustable)
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 60 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 Intelligent Multiple, 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) Scene: Clear Portrait, Silky Skin, Backlit Softness, Clear in Backlight, Relaxing Tone, Sweet Child's Face, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Handheld Night Shot, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome, Panorama; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine (22 filters)
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 2, 10, 3 shots in 10 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 Auto, Auto/Red- eye Reduction, Forced On, Forced On/Red- eye Reduction, Slow Sync./Red- eye Reduction, Forced Off; Flash Synchro; 1st / 2nd
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: GN=12(m) at ISO 100; Range is lens aperture dependent Auto ISO: 0.6 - 8.0m (Wide), 0.7 - 3.8m (Tele)
Max Flash Sync: 1/250 1/2000
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Proprietary Hot Shoe, PC Sync Terminal n/a
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG RAW, RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo AVCHD or MP4 with stereo sound
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
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,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Wi-Fi
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input Micro-HDMI (Type D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.42 <0.3
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 <0.3
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 11.6 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 Unlimited
RAW shooting speed in burst mode (fps): 11.6 9.5
Buffer size for RAW shooting in burst mode (frames): 14 14
RAW+JPEG shooting speed in burst mode (fps): 11.6 9.5
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 12
Shutter lag (full AF, wide/mid): 0.12 seconds 0.10 seconds
Shutter lag (full AF, tele):   0.11 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.085 seconds 0.054 seconds
Shutter lag (full AF, with flash): 0.33 seconds 0.63 seconds
Shutter Lag (prefocused): 0.054 seconds 0.026 seconds
Shutter Lag (notes): Full AF, Wide-area mode = 0.119s  
Startup Time: 0.8 seconds 2.3 seconds
Play -> Record Time: 1.0 seconds 0.6 seconds
Flash cycle time, full power: 3.2 seconds 2.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots 300 shots
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots 260 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary
Usable Battery Types: Lithium-ion rechargeable 7.2v 1025mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) None; SILKYPIX Developer Studio is available for download at the Ichikawa Soft Laboratory website
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. Available in silver or black.