• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A850
  • Olympus Tough TG-4
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Olympus TG-3
TG-3 vs TG-4
Successor:   Olympus TG-5
TG-4 vs TG-5
General
Model Number: A850 TG-4
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $1999.95 $379.99
Street Price: $2,219.00 $449.00
Date Available: 2009-10-08 2015-05-15
Tripod Mount: Yes Yes
Weight: 30.0 oz (850 g) 8.7 oz (247 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.4 x 2.6 x 1.2 in.
(112 x 66 x 31 mm)
Waterproof: No Yes
Waterproof Depth: n/a 50.00 feet (15 meters)
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony BSI CMOS
Effective Megapixels: 24.6 16.0
Sensor Format: 35mm 1/2.3 inch
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.94 microns 1.34 microns
Focal Length Multiplier: 1.0x n/a
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 79  
DxO Color Depth Score (bits): 23.8  
DxO Dynamic Range Score (evs): 12.2  
DxO Maximum Effective ISO Score (iso): 1,415  
Image Capture
Image Resolution: 6048 x 4032 (24.4 MP, 3:2),
6048 x 3408 (20.6 MP, Other),
4400 x 2936 (12.9 MP, 3:2),
4400 x 2472 (10.9 MP, 16:9),
3984 x 2656 (10.6 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
2896 x 1928 (5.6 MP, 3:2),
3024 x 1704 (5.2 MP, Other),
1984 x 1320 (2.6 MP, 3:2)
4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (EXIF 2.3), RAW (.ORF), RAW+JPEG
Continuous-mode frames/second: 3.0 5.1
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
640x480 (120p)
320x240 (240p)
Movie File Format:   MOV/H.264 with stereo sound, AVI/Motion JPEG (High-Speed Movie, Time-Lapse Movie)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: n/a Olympus Lens, 9 lenses in 7 groups, with dual aspheric elements and 2 ED elements
Focal Length (35mm equivalent):   25 - 100mm
Focal Length (actual):   4.5 - 18mm
Zoom Ratio:   4.00x
Aperture Range:   f/2.0/2.8/8.0 (wide) / f/4.9/6.3/18 (tele); 2-step aperture + ND filter
Integrated ND Filter: No No
Normal Focus Range:   10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   1 cm to Infinity
0.4 in to Infinity
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x (2x Super Resolution Zoom)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8. Contrast Detection: Face Detect AF, iES, Spot AF, AF Tracking, AF Target Selection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) No / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 98% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.74x  
Viewfinder Magnification (nominal/claimed): 0.74x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 460,800 dots (153,600 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 19.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 200 100
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto, High, 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature from 2,500K to 9,900K, Custom (3) Auto, Sunny, Cloudy, Incandescent, Fluorescent1, Underwater, One-touch
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 40-segment Honeycomb Pattern, Center-weighted, Spot Digital ESP Metering, Spot Metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes:   Scene Modes: Portrait, ePortrait, Landscape, Interval , Live Composite, Handheld Star Light, Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Snow, Panorama, Backlight HDR, Underwater Snapshot, Underwater Wide1, Underwater Wide2, Underwater Macro, Underwater HDR; Art Filters: Pop Art, Soft Focus, Pale & Light Color, Grainy Film, Pin Hole, Diorama, Dramatic Tone, Fish Eye, Sparkle, Reflection, Fragmented; Microscope Modes: Microscope, Focus Stacking, Focus Bracketing, Microscope Control; Photo Story
Self Timer: 2 or 10 seconds 2, 12, custom seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a Flash Auto, Red-Eye Reduction, Fill-In, Flash Off, Remote Control, SLV Slave, Slow Synchronization, LED On
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a ISO 1600: W: 0.2m - 7.9m; T: 0.1m - 3.1m
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync n/a
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: CF1 / CF2 / MS Duo / MS PRO Duo / Microdrive SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) RAW (.ORF), RAW+JPEG
Movie File Format:   MOV/H.264 with stereo sound, AVI/Motion JPEG (High-Speed Movie, Time-Lapse Movie)
Included Memory:   55.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Via Wi-Fi
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Multi-terminal (USB Connector, DC Jack, Audio/Video Output), Micro HDMI (Type D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 0.51
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50  
Buffer size for RAW shooting in single shot mode (frames): 23  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.59
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.0 5.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 23 100
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.18 seconds 0.26 seconds
Shutter lag (full AF, tele):   0.16 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.154 seconds 0.096 seconds
Shutter lag (full AF, with flash):   0.32 seconds
Shutter Lag (prefocused): 0.074 seconds 0.032 seconds
Shutter Lag (notes):    
Startup Time: 0.5 seconds 1.0 seconds
Play -> Record Time: 0.3 seconds 0.7 seconds
Flash cycle time, full power: 0.0 seconds 1.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   380 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary LI-92B
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary LI-92B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Image Data Converter SR, Image Data Lightbox SR, Remote Camera Control (all Windows & Macintosh), Picture Motion Browser (Windows only). CD-ROM with Instruction Manual and Olympus Viewer 3 Software
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows, Mac OS X
Miscellaneous
Notes & Features: Cost reduced Sony A900. Smaller viewfinder (98% vs 100%), slower burst mode (3 fps vs 5), wireless remote not included. Waterproof to 50 feet (15 m), crushproof to 220 pounds (100kgf), shockproof from 7 feet (2.1 m), freezeproof down to 14F (-10C), and dustproof. Available in red or black.