티스토리 뷰
- 24.6 MP 35mm format full-frame CMOS sensor (highest res in class)
- SteadyShot INSIDE full frame image sensor shift stabilization (world first)
- High Speed Dual Bionz processors
- Eye-level glass Penta-prism OVF, 100% coverage, 0.74x magnification
- 9 point AF with 10 assist points, center dual-cross AF w/2.8 sensor
- 5 frames per second burst, newly developed mirror box
- Intelligent Preview Function
- 3 User programmable custom memory modes on mode dial
- Advanced Dynamic Range Optimizer (5 step selectable)
- 40 segment honeycomb metering
- 3.0" 921K pixel Photo Quality (270 dpi) LCD display, 100% coverage
- Direct HDMI output
- ISO 200-3200 (ISO 100-6400 expanded range)
- User interchangeable focusing screens (3 options)
- CF Type I/II and MS slots, LI-ION battery, STAMINA 880 shots
- Weight 850g (without battery, card, accs)
- New Image Data Converter SR software (includes vignetting control)
- New Vertical Grip
- Supplied with wireless remote control
- Magnesium Alloy body and rubber seals for dust and moisture resistance
- AF micro adjustment
- $2999.99 body price; available late October 2008
Sony Alpha A900 |
Sony Alpha A700 | |
Body material | • Magnesium Alloy body chassis • high grade plastic exterior • Environmental seals |
• Aluminum chassis • Magnesium Alloy body shell • high grade plastic exterior • Environmental seals |
Sensor | • 35.9 x 24.0 mm CMOS sensor 'Exmor' • RGB Color Filter Array • Built-in fixed low-pass filter • 25.7 million total pixels • 24.6 million effective pixels • On-chip Column A/D Conversion & NR |
• 23.5 x 15.6 mm CMOS sensor 'Exmor' • RGB Color Filter Array • Built-in fixed low-pass filter • 13.05 million total pixels • 12.25 million effective pixels • On-chip Column A/D Conversion & NR |
Processor | Dual Bionz | Bionz |
Crop Factor | 1x | 1.5x |
Image sizes (3:2) | • 6048 x 4032 (24M 3:2) • 4400 x 2936 (13M 3:2) • 3024 x 2016 (6.1M 3:2) • 3924 x 2656 (11M APSC) • 2896 x 1928 (5.6M APSC) • 1984 x 1320 (2.6M APSC) |
• 4288 x 2856 (L RAW) • 4272 x 2848 (L) • 3104 x 2064 (M) • 2128 x 1424 (S) |
Auto Focus | • TTL CCD line sensors (9-points, center dual cross types + 10 assist sensors) | • TTL CCD line sensors (11-points, 10 lines with center dual cross sensor) |
Custom modes | Three | Three |
Bracketing | • Single or continuous bracketing • 3 or 5 frames • 0.3, 0.5 , 0.7 or 2.0 EV steps (2.0 EV steps for 3 exposures only) |
• Single or continuous bracketing • 3 or 5 frames • 0.3, 0.5 or 0.7 EV steps |
Noise reduction | • Long exposure for exposures longer than 1 second (User controllable: On / Off) • High ISO NR High/Normal/Low/Off at ISO 1600 or higher |
• Long exposure for exposures longer than 1 second (ser controllable: On / Off) • High ISO NR High/Normal/Low at ISO 1600 or higher |
Continuous | • H: Approx 5fps max • L: Approx 3fps max • RAW: Up to 12 frames • cRAW (compressed): Up to 25 frames • RAW+JPEG: Up to 10 frames • JPEG (XFINE): Up to 11 frames • JPEG (STD/FINE): 285/105 |
• H: Approx 5fps max • L: Approx 3fps max • RAW: Up to 18 frames • cRAW (compressed): Up to 25 frames • RAW+JPEG: Up to 12 frames • JPEG (XFINE): Up to 16 frames • JPEG (STD/FINE): Unlimited (to card capacity) |
Viewfinder | • Optical glass pentaprism • Spherical Acute Matte focusing screen (interchangeable) • Frame coverage approx 100% • Magnification approx. 0.74x • Eye-relief 20 mm from eyepiece, 21 mm from frame • Eyepiece shutter |
• Optical glass pentaprism • Spherical Acute Matte focusing screen (interchangeable) • Frame coverage approx 95% • Magnification approx. 0.9x • Eye-relief 25 mm from eyepiece, 21 mm from frame |
Vertical Grip | Optional vertical Grip VG-C90AM | Optional vertical Grip VG-C70AM |
Dimensions | 156 x 117 x 82 mm | 141.7 x 104.8 x 79.7 mm |
Weight | • No battery: 850 g • With battery: 895 g |
• No battery: 690 g • With battery: 768 g |
Other | • Intelligent Preview mode • New raw converter software • AF Micro Adjustment • Top LCD panel |
• Grip sensor |
Source http://www.dpreview.com/previews/SonyDSLRA900/ |
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