| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | 840 | DSC-T77 |
| Alternate Model Number(s): | ||
| Camera Format: | Compact | Ultra Compact |
| Currently Manufactured: | No | No |
| Retail Price: | $249.99 | $300.00 |
| Street Price: | $173.11 | $286.99 |
| Date Available: | 2008-01-31 | 2008-09-30 |
| Tripod Mount: | No | Yes |
| Weight: | 4.6 oz (130 g) |
5.3 oz
(149 g)
includes batteries |
| Size: |
3.8 x
2.2 x
0.9 in. (96 x 57 x 24 mm) |
3.7 x
2.3 x
0.6 in. (94 x 57 x 15 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CCD | CCD |
| Sensor Manufacturer: | Sony Super HAD | |
| Effective Megapixels: | 8.0 | 10.1 |
| Sensor Format: | 1/2.35 inch | 1/2.3 inch |
| Sensor size: | 27.2556mm2 (6.03mm x 4.52mm) | 28.0735mm2 (6.17mm x 4.55mm) |
| Approximate Pixel Pitch: | 1.86 microns | 1.69 microns |
| Focal Length Multiplier: | n/a | n/a |
| Aspect Ratio: | 4:3, 16:9 | 4:3, 16:9 |
| Color Filter Type: | RGBG | |
| Anti Aliasing Filter: | ||
| Self-Cleaning: | No | No |
| Sensor shift image stabilization: | Yes | 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: |
3248 x 2436
(7.9 MP,
4:3), 2560 x 1920 (4.9 MP, 4:3), 2304 x 1728 (4.0 MP, 4:3), 2048 x 1536 (3.1 MP, 4:3), 1920 x 1080 (2.1 MP, 16:9), 1600 x 1200 (1.9 MP, 4:3), 1280 x 960 (1.2 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
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) |
| Image File Format: | JPEG | JPEG (Exif v2.21) |
| Continuous-mode frames/second: | 1.0 | 1.6 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
640x480 (30)
640x480 (15) 320x240 (30) 320x240 (15) |
640x480 (30)
640x480 (16.6) 320x240 (8.3) |
| Movie File Format: | AVI Motion JPEG | MPEG-1 |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | |
| Video Usable as Viewfinder: | ||
| HD Video Out: | Yes | |
| HD Video Connection: | Component, Other | |
| Lens & Optics | ||
| Lens Mount: | n/a | n/a |
| Lens: | Olympus lens | Carl Zeiss Vario-Tessar |
| Focal Length (35mm equivalent): | 36 - 180mm | 35 - 140mm |
| Focal Length (actual): | 6.4 - 32mm | 6.2 - 24.7mm |
| Zoom Ratio: | 5.00x | 4.00x |
| Aperture Range: | f/3.3 (wide) / f/5.0 (tele) - ??? | f/3.5 (wide) / f/4.6 (tele) - f/10 |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
70 cm to Infinity 27.6 in to Infinity |
8 cm to Infinity 3.1 in to Infinity |
| Macro Focus Range: |
3 -
70 cm 1.2 - 27.6 in |
1 -
20 cm 0.4 - 7.9 in |
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | Yes |
| Digital Zoom Values: | 5.6x | 2x |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | CCD contrast detection | 9-point / center / spot / touch AF |
| Auto Focus Assist Light? | No | Yes |
| Manual Focus: | No | Yes |
| Viewfinder | ||
| Viewfinder: | LCD | LCD |
| Viewfinder Type: | ||
| Focus Peaking: | No | No |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | ||
| Viewfinder Magnification (nominal/claimed): | ||
| Display | ||
| Eye-level Viewfinder: | No | No |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 230,400 dots |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 10.0x | 8.0x |
| Top Deck Display: | ||
| Exposure | ||
| Maximum ISO (native): | ||
| Minimum ISO (native): | ||
| ISO Settings: | Auto, 64, 100, 200, 400, 800, 1600 | Auto, 80, 100, 200, 400, 800, 1600, 3200 |
| Auto ISO Mode: | No | Yes |
| White Balance Settings: | Auto, Daylight, Overcast, Tungsten, Fluorescent 1, Fluorescent 2, Fluorescent 3 | Auto, Daylight, Cloudy, White Fluorescent, Natural White Fluorescent, Day White Fluorescent, Incandescent, Flash, Underwater Auto / 1 / 2 / Flash |
| Shutter Speed Range: | 1/2000 - 4 sec | 1/1000 - 1 sec |
| Bulb Mode: | No | No |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Metering Modes: | Digital ESP, Spot, Face detection AE w/ face-detection AF | Multi-pattern, center-weighted, spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | No | No |
| Shutter Priority: | No | No |
| Full Manual Exposure: | No | No |
| Creative Exposure Modes: | Portrait, Landscape, Landscape+Portrait, Night, Night+Portrait, Sport, Indoor, Candle, Self Portrait, Available Light Portrait, Sunset, Fireworks, Cuisine, Behind Glass, Documents, Auction, Shoot & Select 1 / 2, Beach&Snow, Pre-capture Movie | High Sensitivity, Twilight, Twilight Portrait, Soft Snap, Landscape, Beach, Snow, Fireworks, Hi-Speed Shutter, Underwater, Gourmet |
| Self Timer: | 12 seconds seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | No | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | Auto, Red-Eye Reduction, Fill-In, Off | Auto, On, Slow-Sync, Off, Auto w/ Red-Eye Reduction, Slow-Sync w/ Red-Eye Reduction |
| Flash Guide Number (ISO 100): | n/a | n/a |
| Flash Range Description: | Wide: 0.66 - 14.4ft. (0.2 - 4.4m); Tele: 1.2 – 10.2ft. (0.6 - 3.1m) at ISO 800 | Wide: 0.08 - 3.0m; Tele: 0.5 - 2.4m |
| Max Flash Sync: | ||
| Flash Exposure Compensation: | ||
| External Flash Connection: | n/a | n/a |
| Built-In Wireless Flash Control: | ||
| Image Storage | ||
| Usable Memory Types: | xD | MS Duo / MS PRO Duo |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | No | No |
| Uncompressed Format: | ||
| Movie File Format: | AVI Motion JPEG | MPEG-1 |
| Included Memory: | 14.8 MB | 15.0 MB |
| Included Memory Type: | built-in memory | built-in memory |
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | No |
| Bluetooth: | No | No |
| 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 |
| PictBridge Compliant: | No | Yes |
| DPOF Compliant: | No | Yes |
| Remote Control: | No | No |
| Remote Control Type: | ||
| Connections (extended): | ||
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 1.80 | |
| 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): | ||
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 1.0 | 1.6 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 6 | Unlimited |
| 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): | 0.35 seconds | |
| Shutter lag (full AF, tele): | 0.43 seconds | |
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.340 seconds | |
| Shutter lag (full AF, with flash): | 0.66 seconds | |
| Shutter Lag (prefocused): | 0.008 seconds | |
| Shutter Lag (notes): | ||
| Startup Time: | 2.3 seconds | |
| Play -> Record Time: | 1.7 seconds | |
| Flash cycle time, full power: | 5.0 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 220 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | ||
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary LI-50B | Proprietary |
| Usable Battery Types: | Lithium Ion rechargeable | NP-BD1 InfoLithium rechargeable |
| Batteries Included: | 1 x Proprietary LI-50B Lithium Ion rechargeable | 1 x NP-BD1 InfoLithium rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | No |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | ||
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | Optical image stabilization, 3.0-inch touchscreen LCD, Dynamic Range Optimization | |
