Sony Alpha DSLR-A900 Review
Sony Alpha DSLR-A900 Specifications
|Price (body only)|| $2999.99|
|Body material||Magnesium Alloy chassis, high grade plastic exterior|
|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
6048 x 4032 (24M 3:2)
|File qualities / formats|| RAW (.ARW 2.0)
Compressed or uncompressed RAW option
RAW + JPEG Fine
• JPEG Extra Fine
|Dust reduction|| Static-resistant anti-dust coating
CCD-shift dust reduction mechanism
|Lenses|| Sony Alpha lenses
(also compatible with Minolta A-type bayonet mount lenses)
• Can be used with DT (1.5x crop) lenses in APS-C mode
|FOV crop||1.0 x|
|Image Stabilization|| CCD-Shift ' SteadyShot INSIDE' system
Five level LED shake indicator in viewfinder
Claimed equivalent to 4 steps in shutter speed *
|Auto Focus|| TTL CCD line sensors (9-points, center dual cross types + 10 assist sensors)
EV 0 to 18 (ISO 100) detection range
Predictive focus control for moving subjects
|AF area selection||
Wide AF area
|Focus modes|| Single-shot AF
Direct Manual Focus
• AF micro adjustment (+/- 20 steps for up to 30 lenses)
|• Yes (built-in LED lamp)
• Range approx 1m - 7m
Auto (200 - 3200) - upper/lower limit selectable *
|Metering modes|| Multi-segment (40 segment Honeycomb pattern)
|Metering range|| EV 0 to 20 (Multi-segment / Center-weighted)
EV 2 to 20 (Spot metering)
(at ISO 100 with F1.4 lens)
|AE Lock|| AEL button (customizable)
Half-press shutter release
|AE 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 frames only
|Exposure compen.|| -3.0 to +3.0 EV
0.3 or 0.5 EV steps
|Shutter||Electronically-controlled, vertical-traverse, focal-plane Shutter|
|Shutter Speed|| 30 to 1/8000 sec
|Flash X-sync|| 1/250 sec
1/200 sec (with SteadyShot INSIDE on)
|Aperture values||Depends on lens, 0.3 EV steps|
|DOF preview||Yes, dedicated button|
|White balance fine tuning|| Auto (none)
Preset WB: -3 to +3
Fluorescent WB: -2 to +4
Color temperature WB: G9 to M9 (19 step Magenta / Green compensation)
|White balance bracketing|| 3 frames
Hi or Lo steps
|Dynamic range optimizer||
|Color space|| sRGB
|Color modes|| Standard
• Autumn Leaves
|Image parameters|| Contrast (-3 to +3)
Saturation (-3 to +3)
Sharpness (-3 to +3)
• Zone Matching (-1 to +2 steps)
• Brightness (-3 to +3 steps)
(Available in all color modes)
|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
Eye-level fixed optical glass pentaprism
|LCD monitor|| 3.0 " 'Xtra Fine' TFT LCD
921,600 pixels (640 x 480 x 3 (RGB))
• 100% coverage
|Flash compensation||-3.0 to +3.0 EV in 0.3, 0.5, 0.7, 2.0 EV steps|
|External flash (optional)|| Sony HVL-F58M
Macro Twin Flash Kit HVL-MT24AM
• Ring Light HVL-RLAM
• Off camera flash shoe FA-CS1 AM
|Drive modes|| Single-frame
Continuous (H/L selectable)
Self-timer (10 or 2 sec)
White balance bracket
• DRO bracket
|• 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
|Orientation sensor||Yes, for shooting, playback and control panel display|
|Connectivity|| USB 2.0 Hi-Speed (mass storage, Multi-LUN or PTP)
Video out (NTSC or PAL)
• HDMI type C mini jack
• PC control (with supplied software)
|Remote control *||• Wired: with optional RM-S1AM or RM-L1AM
• Wireless: with included remote control
|Video out||• AV (Selectable NTSC or PAL)
• HDMI (1920 x 1080i, 1280 x 720p, 720 x 580p, 720 x 576p)
• 'PhotoTV' HD settings applied with BRAVIA.
|Storage|| Compact Flash Type I/II, UDMA Mode 5 compliant
Memory Stick Duo / Pro Duo, PRO-HG Duo
Supports FAT12 / FAT16 / FAT32
|Power|| NP-FM500H Lithium-Ion rechargeable battery (1650 mAh)
CR2025 Wireless remote
Battery charger included
Optional AC adapter
• Battery life Approx 880 shots (CIPA standard)
|Vertical grip||• Vertical Grip VG-C90AM
• One or Two NP-FM500H batteries with auto switchover for power (additional battery is optional).
|Dimensions||156 x 117 x 82 mm|
|Weight (body)|| No battery: 850 g
With battery: 895 g
- 20 Photographic tests (Noise)
- 21 Photographic tests (Noise)
- 22 Photographic tests (Noise)
- 23 Photograpic tests (DR)
- 24 Photograpic tests (DR)
- 25 Photograpic tests (Fall off)
- 26 Photographic tests
- 27 Compared to...
- 28 Compared to (JPEG)
- 29 Compared to (JPEG)
- 30 Compared to (JPEG)
- 31 Compared to (RAW)
- 32 Compared to (RAW)
- 33 Compared to (RAW)
- 34 Compared to (High ISO)
- 35 Compared to (Resolution)
- 36 Conclusion
- 37 Samples
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