| | A390 | A290 |
| Sensor | • 14.2 million effective pixels
• 14.9 million effective pixels
• 23.5 x 15.7 mm CCD sensor
• RGB primary color filter |
| Anti-dust measures | • Sensor shake system
• Static-free anti-dust coating |
| Anti-shake | • SteadyShot in-camera stabilization |
| Image sizes | • 4592 x 3056 (Large, 14.0 MP)
• 3408 x 2272 (Medium, 7.7 MP)
• 2288 x 1520 (Small, 3.5 MP)
• 4592 x 2576 (Large, 12.0 MP, 16:9)
• 3408 x 1920 (Medium, 6.5 MP, 16:9)
• 2288 x 1280 (Small, 2.9 MP, 16:9)
|
| Image quality | • RAW
• RAW + JPEG
• JPEG Fine
• JPEG Normal |
| Color space | • sRGB
• Adobe RGB |
| Lens mount | • Sony Alpha lenses
(also compatible with Minolta and Konica Minolta AF lenses) |
Autofocus
| • TTL phase dectection
• 9-point
|
| Lens servo | • Single-servo AF (AF-S)
• Continuous-servo AF (AF-C)
• Automatic AF-S/AF-C (AF-A)
• Manual focus (M) |
| AF Area mode | • Single-shot
• Automatic
• Continuous AF |
| AF Assist | Pop-up flash strobes |
| Exposure mode | • Programmed auto (P) with flexible program
• Shutter-priority auto (S)
• Aperture priority auto (A)
• Manual (M)
• Auto and 7 scene selection modes
|
| Metering | Multi-pattern metering:
• 40 Segment
• Center weighted
• Spot
|
Exposure compensation
| • +/- 2.0 EV
• 1/3 EV steps |
| AE Lock | Exposure locked at detected value with AEL button |
| Sensitivity | • Auto
• ISO 100
• ISO 200
• ISO 400
• ISO 800
• ISO 1600
• ISO 3200 |
| Shutter | • Electronically-controlled, vertical-traverse, focal-plane type
• 30 to 1/4000 sec (1/3 EV steps) |
| White balance | • Auto
• Seven manual modes with 7-step fine-tuning
• Daylight
• Shade
• Cloudy
• Tungsten
• Fluorescent
• Flash
• Custom |
| Image parameters | • Preset modes: Standard, Vivid, Portrait, Landscape, Night view, Sunset, B&W
• Contrast (–3 to +3 steps)
• Saturation (–3 to +3 steps)
• Sharpness (–3 to +3 steps)
• D-Range Optimizer (Off, Standard, Advanced) |
Viewfinder
| • Optical fixed eye-level
• Pentamirror type
• Frame coverage 95% (approx.)
• Viewfinder magnification approx. 0.74x with 50mm lens at infinity; -1.0 m-1
• Spherical Acute Matte focusing screen |
• Optical fixed eye-level
• Pentamirror type
• Frame coverage 95% (approx.)
• Viewfinder magnification approx. 0.83x with 50mm lens at infinity; -1.0 m-1
• Spherical Acute Matte focusing screen |
LCD monitor
| • 2.7" tilting TFT LCD
• 230,400 dots | • 2.7" TFT LCD
• 230,400 dots |
| Live View | • Pentamirror tilt system
• 1200-zone evaluative metering
• Frame coverage 90% (approx.)
• Magnification: 1.4x or 2x selectable
• Histogram display, real-time image adjustment display (Exposure compensation, white balance, Sunset/B&W of Creative Style) | No |
Built-in flash
| • Auto pop-up in Auto
• Guide number approx. 10 at ISO 100
• ±2EV (in 0.3 EV steps) |
Flash mode
| • Auto
• Fill-flash
• Red-eye reduction
• Rear flash sync
• Slow sync
• High speed sync
• Wireless off-camera flash
(with external flash HVL-F58AM, HVL-F56AM, HVL-F42AM, HVL-F36AM, HVL-F20AM) |
Continuous shooting
| • 2.5 fps with viewfinder
2.0 fps with Live View
• JPEG: Limited only by storage
• RAW: Approx. 6 frames
• RAW+JPEG: Approx. 3 frames | • 2.5 fps with viewfinder
• JPEG: Limited only by storage
• RAW: Approx. 6 frames
• RAW+JPEG: Approx. 3 frames |
| Self-timer | 2 or 10 sec |
| Connectivity | • USB 2.0 (Hi-Speed)
• HDMI mini connector (Type C) |
| Power | Lithium-Ion battery pack NP-FH50 |
| Battery life | Approx. 500 shots (CIPA standard) |
Dimensions
| Approx. 128.1 x 97.1 x 83.5mm | Approx. 128.1 x 97.1 x 79.6 mm |
Weight
(no batt)
| Approx.497 g | Approx.456 g |
发表于 21-6-2010 10:55 PM
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