• 1/2.3 inch 28.1mm2
  • 10.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 18.2 megapixels
  • 24.00mm - 720.00mm (35mm eq.)
  • Detailed specifications
  • Sony Cyber-shot DSC-T77
  • Sony Cyber-shot DSC-HX99
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony HX90V
HX90V vs HX99
Successor:    
General
Model Number: DSC-T77 HX99
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No Yes
Retail Price: $300.00 $449.99
Street Price: $286.99 $473.00
Date Available: 2008-09-30 2019-02-12
Tripod Mount: Yes Yes
Weight: 5.3 oz (149 g)
includes batteries
8.5 oz (242 g)
includes batteries
Size: 3.7 x 2.3 x 0.6 in.
(94 x 57 x 15 mm)
4.0 x 2.3 x 1.4 in.
(102 x 58 x 36 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Sony Super HAD Sony Exmor R
Effective Megapixels: 10.1 18.2
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.69 microns 1.26 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 3648 x 2736 (10.0 MP, 4:3),
3648 x 2432 (8.9 MP, 3:2),
3648 x 2056 (7.5 MP, Other),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
4896 x 3672 (18.0 MP, 4:3),
4896 x 3264 (16.0 MP, 3:2),
4896 x 2752 (13.5 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
3648 x 2432 (8.9 MP, 3:2),
3648 x 2056 (7.5 MP, Other),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1728 (4.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
3664 x 3667 (13.4 MP, 1:1),
2736 x 2736 (7.5 MP, 1:1),
1920 x 1920 (3.7 MP, 1:1),
8192 x 1860 (15.2 MP, Other),
3872 x 2160 (8.4 MP, Other),
12416 x 1856 (23.0 MP, Other),
5536 x 2160 (12.0 MP, Other)
Image File Format: JPEG (Exif v2.21) JPEG, RAW, RAW+JPEG
Continuous-mode frames/second: 1.6 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30)
640x480 (16.6)
320x240 (8.3)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​60i/​50p/​50i/​30p/​25p/​24p)
1920x1080 (120p/​100p)
Movie File Format: MPEG-1 XAVC S with LPCM 2ch audio, AVCHD with Dolby Digital (AC-3) 2ch audio (Dolby Digital Stereo Creator)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: Component, Other HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Carl Zeiss Vario-Tessar ZEISS Vario-Sonnar T* Lens, 11 elements in 10 groups (5 aspheric elements)
Focal Length (35mm equivalent): 35 - 140mm 24 - 720mm
Focal Length (actual): 6.2 - 24.7mm 4.3 - 118mm
Zoom Ratio: 4.00x 28.00x
Aperture Range: f/3.5 (wide) / f/4.6 (tele) - f/10 f/3.5 (W) / f/6.4(T) - f/8; 5-blade Iris Diaphragm
Integrated ND Filter: No No
Normal Focus Range: 8 cm to Infinity
3.1 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 2x Up to 2x Clear Image, up to 4x Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / center / spot / touch AF Contrast Detection AF: Wide, Center, Flexible Spot (S/M/L), Expanded Flexible Spot, Single-shot AF, Continuous AF (Movie Only), DMF, Manual Focus
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type:   0.2-inch 638K-dot OLED, 100% coverage, approx. 0.5x magnification with 50mm lens at infinity and -1m-1(diopter) (35mm equiv.), 19.2mm eyepoint, -4.0 to +3.0m-1 diopter, eye detector.
Focus Peaking: No Yes
EVF Resolution: n/a 638,400 dots
Viewfinder Magnification (35mm equivalent):   0.50x
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 230,400 dots 921,600 dots (307,200 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 8.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   80
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200 Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400* (*Extended ISO), 12800** (**with MFNR)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, White Fluorescent, Natural White Fluorescent, Day White Fluorescent, Incandescent, Flash, Underwater Auto / 1 / 2 / Flash Auto, Daylight, Shade, Cloudy, Fluorescent Warm White, Fluorescent Cool White, Fluorescent Day White, Fluorescent Daylight, Incandescent, Flash, Custom (3), C.Temp./Filter
Shutter Speed Range: 1/1000 - 1 sec 1/2000 - 30 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi-pattern, center-weighted, spot Multi-pattern, Center-weighted, Spot, Entire Screen Avg, Highlight
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: High Sensitivity, Twilight, Twilight Portrait, Soft Snap, Landscape, Beach, Snow, Fireworks, Hi-Speed Shutter, Underwater, Gourmet Scene Modes: Portrait, Macro, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion Blur, Pet, Gourmet, Fireworks, High Sensitivity, Intelligent Sweep Panorama; Effects: Toy camera, Pop Color, Posterization, Retro Photo, Soft High-key, Partial Color, High Contrast Mono., Soft Focus, HDR Painting, Richtone Monochrome, Miniature, Watercolor, Illustration.
Self Timer: 2 or 10 seconds 2, 5, 10; 3 shots seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, On, Slow-Sync, Off, Auto w/ Red-Eye Reduction, Slow-Sync w/ Red-Eye Reduction Auto, Flash On, Slow Sync., Flash Off, Rear Sync.; Red-eye reduction available
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 0.08 - 3.0m; Tele: 0.5 - 2.4m ISO Auto: 0.3 to 5.4m (W) / 2.5 to 3.0m (T)
Max Flash Sync:   1/2000
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo MS Micro M2 / microSD / microSDHC / microSDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW, RAW+JPEG
Movie File Format: MPEG-1 XAVC S with LPCM 2ch audio, AVCHD with Dolby Digital (AC-3) 2ch audio (Dolby Digital Stereo Creator)
Included Memory: 15.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Via Wi-Fi
Connections (extended):   Micro (Type-D) HDMI, Multi/Micro USB 2.0
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.80 0.71
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.66
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 1.6 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 103
RAW shooting speed in burst mode (fps):   10.0
Buffer size for RAW shooting in burst mode (frames):   50
RAW+JPEG shooting speed in burst mode (fps):   10.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   50
Shutter lag (full AF, wide/mid): 0.35 seconds 0.25 seconds
Shutter lag (full AF, tele): 0.43 seconds 0.15 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.340 seconds 0.029 seconds
Shutter lag (full AF, with flash): 0.66 seconds 0.50 seconds
Shutter Lag (prefocused): 0.008 seconds 0.018 seconds
Shutter Lag (notes):    
Startup Time: 2.3 seconds 2.3 seconds
Play -> Record Time: 1.7 seconds 1.3 seconds
Flash cycle time, full power: 5.0 seconds 5.9 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 220 shots 370 shots
Battery Life, Still (CIPA Rating OVF/EVF):   300 shots
Battery Life, Video:   55 minutes
Battery Form Factor: Proprietary Proprietary NP-BX1
Usable Battery Types: NP-BD1 InfoLithium rechargeable Lithium-ion rechargeable
Batteries Included: 1 x NP-BD1 InfoLithium rechargeable 1 x Proprietary NP-BX1 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: Optical image stabilization, 3.0-inch touchscreen LCD, Dynamic Range Optimization