• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Sony Alpha SLT-A58
  • Panasonic Lumix DMC-GX8
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Panasonic GX7
GX7 vs GX8
Successor: Sony A68
A58 vs A68
Panasonic GX9
GX8 vs GX9
General
Model Number: A58 GX8
Alternate Model Number(s):    
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $600.00 $1199.99
Street Price: $598.00 $997.99
Date Available: 2013-04-15 2015-08-15
Tripod Mount: Yes Yes
Weight: 25.8 oz (731 g)
includes batteries, kit lens
17.2 oz (487 g)
includes batteries
Size: 5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
5.2 x 3.1 x 2.5 in.
(133 x 78 x 63 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Sony Panasonic
Effective Megapixels: 20.1 20.3
Sensor Format: APS-C 4/3
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.31 microns 3.34 microns
Focal Length Multiplier: 1.5x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 74 75
DxO Color Depth Score (bits): 23.3 23.5
DxO Dynamic Range Score (evs): 12.5 12.6
DxO Maximum Effective ISO Score (iso): 753 806
Image Capture
Image Resolution: 5456 x 3632 (19.8 MP, 3:2),
5456 x 3064 (16.7 MP, 16:9),
3872 x 2576 (10.0 MP, 3:2),
3872 x 2176 (8.4 MP, 16:9),
2736 x 1824 (5.0 MP, 3:2),
2736 x 1536 (4.2 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)
5184 x 3888 (20.2 MP, 4:3),
3712 x 2784 (10.3 MP, 4:3),
2624 x 1968 (5.2 MP, 4:3),
1824 x 1368 (2.5 MP, 4:3),
5184 x 3456 (17.9 MP, 3:2),
3712 x 2480 (9.2 MP, 3:2),
2624 x 1752 (4.6 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2),
5184 x 2920 (15.1 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
1824 x 1024 (1.9 MP, 16:9),
3888 x 3888 (15.1 MP, 1:1),
2784 x 2784 (7.8 MP, 1:1),
1968 x 1968 (3.9 MP, 1:1),
1712 x 1712 (2.9 MP, 1:1)
Image File Format: JPEG, RAW (12-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG
Continuous-mode frames/second: 4.9 8.3
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i or 24p (24/​17Mbps))
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
640x480 (30p)
Movie File Format: AVCHD / MP4; Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC, stereo AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a No
Video Usable as Viewfinder: n/a Yes
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Micro Four Thirds
Lens: Sony 18-55mm f/3.5-5.6 DT SAM n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (T)  
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom 2x, 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking; Eye Start AF Contrast Detection with DFD: Face/Eye detection, Tracking, 49-area, Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / OLED
Viewfinder Type: EVF type; 1/2-inch, 1.44M-dot OLED Tru-Finder, 100% coverage, 0.88x magnification (0.57x 35mm eq.), 26.5mm from the eyepiece lens / 23mm from the eyepiece frame eye point, -4.0 to +4.0 diopter Tilting 2360K-dot OLED, 1.54x / 0.77x (35mm eq.) magnification, 21mm eyepoint, -4 to +3 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: 1,440,000 dots 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.57x 0.77x
Viewfinder Magnification (nominal/claimed): 0.88x 1.54x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 460,800 dots (153,600 px) 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 15.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 16000 25600
Minimum ISO (native): 100 200
ISO Settings: Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000; (Multi-frame NR mode up to ISO 25600) Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/4000 - 30 sec 1/16000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 1728-zone 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 View, Handheld Twilight; Picture Effects: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature; Sweep Panorama, Anti Motion Blur, Multi Frame Noise Reduction Panorama (Standard/Wide); 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
Self Timer: 2 or 10 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Fill-flash, Slow Sync., Rear Sync., Hi-speed sync., Red-eye reduction (on/off selectable for Auto flash and fill-flash mode), Wireless, Off Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync.
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot shoe Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit ARW 2.3), RAW+JPEG RAW, RAW + JPEG
Movie File Format: AVCHD / MP4; Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC, stereo AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
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 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 wired RM-VPR1 Wi-Fi or optional wired
Connections (extended): Type-D Micro HDMI, DC Input, 3.5mm Stereo Micophone Jack, Multi/Micro USB (remote) Micro HDMI (Type-D), 2.5mm Wired Remote/External Mic Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.51 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.55  
Buffer size for RAW shooting in single shot mode (frames): 2  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.57 <0.3
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 4.9 8.3
Buffer size for JPEG shooting in burst mode (frames, max resolution): 8 Unlimited
RAW shooting speed in burst mode (fps): 4.9 7.9
Buffer size for RAW shooting in burst mode (frames): 6 36
RAW+JPEG shooting speed in burst mode (fps): 4.9 7.9
Buffer Size for RAW+JPEG shooting in burst mode (frames): 5 32
Shutter lag (full AF, wide/mid): 0.13 seconds 0.18 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.082 seconds 0.065 seconds
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.054 seconds 0.058 seconds
Shutter Lag (notes): Full Autofocus Shutter Lag, Wide-area Mode = 0.139s  
Startup Time: 1.9 seconds 1.2 seconds
Play -> Record Time: 1.1 seconds 0.6 seconds
Flash cycle time, full power: 2.1 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 700 shots 340 shots
Battery Life, Still (CIPA Rating OVF/EVF): 690 shots 320 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FM500H Lithium-ion rechargeable 7.2v, 1200mAh 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 Yes
Internal Charging Supported: No No
Software
Included Software: PlayMemories Home, Image Data Converter 4 PHOTOfunSTUDIO 9.7 PE, SILKYPIX Developer Studio 4.3 SE, LoiloScope (trial version)
OS Compatibility: Windows XP SP3/Vista SP2/7 SP1/8; Mac OS X v10.5 or later. (Software is Windows only.) PHOTOfunSTUDIO and LoiloScope: Windows Vista/7/8/8.1; SILKYPIX: Windows Vista/7/8/8.1, Mac OS X 10.5-10.10
Miscellaneous
Notes & Features: New 20.1MP Exmor APS HD CMOS sensor, SteadyShot INSIDE image stabilization, 2.7" 406K-dot tilting LCD, OLED Tru-Finder EVF, 5fps full-resolution burst mode (up to 8fps in Tele-zoom Continuous Advance Priority AE mode), new Lock-on autofocus, Full HD 1080i60 movies, Multi Interface Hot Shoe, new area-specific noise reduction. U.S. availability and pricing TBD. New 20.3MP Live MOS sensor, upgraded quad-core CPU Venus Engine image processor, Dual IS uses both IBIS and OIS, 4K 30p/24p video and stills capture, 8fps full-res burst shooting (10fps with electronic shutter), Depth From Defocus AF, tilting high-res 0.77x EVF, tilt/swivel touchscreen OLED monitor, built-in Wi-Fi with NFC, magnesium alloy die cast frame