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Manufacturer URL: |
Manufacturer website
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Manufacturer website
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Predecessor: |
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Successor: |
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Model Number: |
A55 |
Z50 |
Alternate Model Number(s): |
SLT-A55 (w/o GPS) |
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Camera Format: |
SLR |
Compact System Camera |
Currently Manufactured: |
No |
Yes |
Retail Price: |
$849.99 |
$999.95 |
Street Price: |
$733.99 |
$806.95 |
Date Available: |
2010-10-15 |
2019-11-15 |
Tripod Mount: |
Yes |
Yes |
Weight: |
25.6 oz
(727 g)
includes batteries, kit lens
|
18.8 oz
(533 g)
includes batteries, kit lens
|
Size: |
4.9 x
3.6 x
3.3 in.
(124 x
92 x
85 mm)
|
5.0 x
3.7 x
2.4 in.
(127 x
94 x
60 mm)
|
Waterproof: |
No |
No |
Waterproof Depth: |
n/a |
n/a |
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Sensor Type: |
CMOS |
CMOS |
Sensor Manufacturer: |
Sony |
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Effective Megapixels: |
16.2 |
20.9 |
Sensor Format: |
APS-C |
APS-C |
Sensor size: |
369.72mm2 (23.7mm x 15.6mm) |
368.95mm2 (23.50mm x 15.70mm) |
Approximate Pixel Pitch: |
4.82 microns |
4.22 microns |
Focal Length Multiplier: |
1.5x |
1.5x |
Aspect Ratio: |
3:2, 16:9 |
3:2 |
Color Filter Type: |
RGBG |
RGBG |
Anti Aliasing Filter: |
Fixed |
None |
Self-Cleaning: |
Yes |
No |
Sensor shift image stabilization: |
Yes |
No |
On-Sensor Phase Detect: |
No |
Yes |
DxO Sensor Score: |
73 |
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DxO Color Depth Score (bits): |
23.0 |
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DxO Dynamic Range Score (evs): |
12.4 |
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DxO Maximum Effective ISO Score (iso): |
818 |
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Image Resolution: |
4912 x 3264
(16.0 MP,
3:2), 4912 x 2760
(13.6 MP,
16:9), 3568 x 2368
(8.4 MP,
Other), 3568 x 2000
(7.1 MP,
16:9), 2448 x 1624
(4.0 MP,
Other), 2448 x 1376
(3.4 MP,
16:9), 12416 x 1856
(23.0 MP,
Other), 8192 x 1856
(15.2 MP,
Other), 2160 x 5536
(12.0 MP,
Other), 2160 x 3872
(8.4 MP,
Other), 7152 x 1080
(7.7 MP,
Other), 4912 x 1080
(5.3 MP,
Other), 1920 x 1080
(2.1 MP,
16:9) |
5568 x 3712
(20.7 MP,
3:2), 4176 x 2784
(11.6 MP,
3:2), 2784 x 1856
(5.2 MP,
3:2), 5568 x 3128
(17.4 MP,
16:9), 4176 x 2344
(9.8 MP,
16:9), 2784 x 1560
(4.3 MP,
16:9), 3712 x 3712
(13.8 MP,
1:1), 2784 x 2784
(7.8 MP,
1:1), 1856 x 1856
(3.4 MP,
1:1) |
Image File Format: |
JPEG, RAW (ARW 2.2), RAW+JPEG |
JPEG (EXIF 2.31), .NEF (RAW), 12 or 14 bit; RAW+JPEG |
Continuous-mode frames/second: |
9.0 |
11.0 |
Can take movies: |
Yes |
Yes |
Movie Resolution: |
1920x1080 (60i/50i)
1440x1080 (30/25)
640x480 (30/25)
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3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/50p/30p/25p/24p)
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Movie File Format: |
AVCHD, MP4 |
MOV, MP4 (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM, AAC) |
Composite Video Out: |
No |
No |
NTSC/PAL Switchable Video: |
n/a |
n/a |
Video Usable as Viewfinder: |
n/a |
n/a |
HD Video Out: |
Yes |
Yes |
HD Video Connection: |
HDMI |
HDMI |
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Lens Mount: |
Sony Alpha (Minolta A) |
Nikon Z |
Lens: |
Sony 18-55mm f/3.5-5.6 DT SAM |
Nikon Z DX 16-50mm f/3.5-6.3 VR |
Focal Length (35mm equivalent): |
27 -
83mm
|
24 -
75mm
|
Focal Length (actual): |
18 -
55mm
|
16 -
50mm
|
Zoom Ratio: |
3.00x |
3.10x |
Aperture Range: |
f/3.5 - 22 (W), f/5.6 - ?? (T) |
f/3.5 (wide) / f/6.3 (tele) - f/16 |
Integrated ND Filter: |
No |
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Normal Focus Range: |
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20 cm to Infinity
7.9 in to Infinity
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Macro Focus Range: |
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Filter Thread: |
55.0mm |
46.0mm |
Thread Type: |
n/a |
n/a |
Optical Image Stabilization: |
No |
Yes |
Digital Zoom: |
No |
No |
Digital Zoom Values: |
n/a |
n/a |
Auto Focus: |
Yes |
Yes |
Auto Focus Type: |
Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. |
Hybrid Phase/Contrast Detect AF with 209 PDAF points; Pinpoint, Single-Point, Dynamic-area AF, Wide-area AF (S/L), Auto-area AF; Face and Eye-detect AF |
Auto Focus Assist Light? |
Yes |
Yes |
Manual Focus: |
Yes |
Yes |
Viewfinder: |
EVF / LCD
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EVF / LCD
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Viewfinder Type: |
EVF type; 1.1cm (0.43") 1,152Kdots, 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter |
EVF: 2.36M-dot XGA OLED, 100% coverage, 1.02x magnification, 20mm eyepoint, -3 to +3 diopter, eye sensor |
Focus Peaking: |
No |
Yes |
EVF Resolution: |
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2,360,000 dots
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Viewfinder Magnification (35mm equivalent): |
0.73x |
0.68x |
Viewfinder Magnification (nominal/claimed): |
1.10x |
1.02x |
Eye-level Viewfinder: |
Yes |
Yes |
Rear Display: |
Yes |
Yes |
Rear Display Size (inches): |
3.0 |
3.2 |
Rear Display Resolution: |
921,600 dots
|
1,036,800 dots
(345,600 px)
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Touchscreen: |
No |
Yes |
Articulating Screen: |
Yes |
Yes |
Tilt Swivel Screen: |
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No |
Selfie Screen: |
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Yes |
Max Playback Zoom: |
11.8x |
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Top Deck Display: |
No |
No |
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Maximum ISO (native): |
12800 |
51200 |
Minimum ISO (native): |
100 |
100 |
ISO Settings: |
Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) |
Auto, ISO 100 - 51200, expandable to 204,800 |
Auto ISO Mode: |
Yes |
Yes |
White Balance Settings: |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) |
Auto (2 types), Cloudy, Shade, Direct Sunlight, Flash, Fluorescent (7 types), Incandescent, Kelvin Color Temperature (2,500K-10,000K), Preset manual; Fine tuning available. |
Shutter Speed Range: |
1/4000 - 30 sec |
1/4000 - 30 sec |
Bulb Mode: |
Yes |
Yes |
Exposure Compensation: |
+/- 2.0EV
in 0.3EV steps
|
+/- 5.0EV
in 0.3EV steps
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Metering Modes: |
1200-zone Evaluative, Center-weighted, Spot |
Matrix metering; Center-weighted (weight of approximately 75% given to 8mm circle in center of frame or weighting can be based on average of entire frame; Spot: meters circle with diameter of about 3.5mm (about 2.5% of frame) centered on selected focus point; Highlight-weighted |
Program Auto Exposure: |
Yes |
Yes |
Aperture Priority: |
Yes |
Yes |
Shutter Priority: |
Yes |
Yes |
Full Manual Exposure: |
Yes |
Yes |
Creative Exposure Modes: |
Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D) |
Custom: U1, U2; Scene Modes: Autumn Colors, Beach / Snow, Blossom, Candlelight, Child, Close-up, Dusk / Dawn, Food, Landscape, Night Landscape, Night Portrait, Party / Indoor, Pet Portrait, Portrait, Sports, Sunset; Special Effects: Night Vision, Super Vivid, Pop, Photo Illustration, Toy Camera Effect, Miniature Effect, Selective Color, Silhouette, High Key, Low Key |
Self Timer: |
2 or 10 seconds |
2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds |
Time Lapse (intervalometer): |
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High Resolution Composite: |
No |
No |
Built-in Flash: |
Yes |
Yes |
Flash Modes: |
Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off |
Fill flash, Red-eye reduction, Slow sync, Red-eye reduction with slow sync, Rear-curtain sync, Auto, Auto with red-eye reduction, Auto slow sync, Auto slow sync with red-eye reduction, Flash off; Auto FP High-Speed sync supported |
Flash Guide Number (ISO 100): |
10.0 m /
32.8 ft.
|
7.0 m /
23.0 ft.
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Flash Range Description: |
Lens dependent |
GN=7m/22ft at ISO 100; range depends on lens aperture |
Max Flash Sync: |
1/160 |
1/200 |
Flash Exposure Compensation: |
+/- 2.0 EV
in 0.3EV steps
|
-3 to +1 EV
in 0.3EV steps
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External Flash Connection: |
Hot shoe |
Hot Shoe |
Built-In Wireless Flash Control: |
Full TTL exposure |
No |
Usable Memory Types: |
MS PRO Duo / SD / SDHC / SDXC |
SD / SDHC / SDXC |
UHS Support: |
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UHS-I |
Other Memory: |
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Dual Card Slots: |
No |
No |
RAW Capture Support: |
Yes |
Yes |
Uncompressed Format: |
RAW (ARW 2.2), RAW+JPEG |
.NEF (RAW), 12 or 14 bit; RAW+JPEG |
Movie File Format: |
AVCHD, MP4 |
MOV, MP4 (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM, AAC) |
Included Memory: |
|
No memory included |
Included Memory Type: |
|
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Built-In Wi-Fi: |
No |
Yes |
NFC: |
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No |
Bluetooth: |
No |
Yes |
Built-In GPS: |
Yes |
No |
Microphone Jack: |
Yes |
Yes |
Headphone Jack: |
No |
No |
External Connections: |
USB 2.0 High Speed |
USB 2.0 High Speed,Bluetooth,WiFi |
PictBridge Compliant: |
Yes |
Yes |
DPOF Compliant: |
Yes |
Yes |
Remote Control: |
Yes |
Yes |
Remote Control Type: |
Optional Wireless or Wired |
Wi-Fi/Bluetooth |
Connections (extended): |
Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack |
Micro (Type-D) HDMI, Micro-B USB 2.0, 3.5mm Stereo Microphone Jack (plug-in power supported) |
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Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
0.52 |
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Cycle time for RAW shooting in single shot mode (seconds per frame): |
0.52 |
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Buffer size for RAW shooting in single shot mode (frames): |
28 |
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Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
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Camera penalizes early shutter press? |
No |
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JPEG shooting speed in burst mode (fps, max resolution): |
9.0 |
11.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): |
32 |
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RAW shooting speed in burst mode (fps): |
|
11.0 |
Buffer size for RAW shooting in burst mode (frames): |
|
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RAW+JPEG shooting speed in burst mode (fps): |
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11.0 |
Buffer Size for RAW+JPEG shooting in burst mode (frames): |
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Shutter lag (full AF, wide/mid): |
0.22 seconds |
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Shutter lag (full AF, tele): |
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Shutter lag (full AF, live view - DSLR): |
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Shutter lag (prefocused, live view - DSLR): |
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Shutter Lag (manual focus): |
0.214 seconds |
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Shutter lag (full AF, with flash): |
0.48 seconds |
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Shutter Lag (prefocused): |
0.103 seconds |
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Shutter Lag (notes): |
Full AF, wide-area mode = 0.218s |
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Startup Time: |
0.9 seconds |
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Play -> Record Time: |
0.6 seconds |
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Flash cycle time, full power: |
3.7 seconds |
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Battery Life, Stills (CIPA Rating Monitor/Live View): |
|
320 shots |
Battery Life, Still (CIPA Rating OVF/EVF): |
330 shots |
280 shots |
Battery Life, Video: |
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75 minutes
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Battery Form Factor: |
Proprietary NP-FW50 |
Proprietary EN-EL25 |
Usable Battery Types: |
Lithium-ion rechargeable |
Lithium-ion rechargeable |
Batteries Included: |
1 x Proprietary NP-FW50 Lithium-ion rechargeable
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1 x Proprietary EN-EL25 Lithium-ion rechargeable
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Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
Dedicated Battery Charger Included: |
|
Yes |
Internal Charging Supported: |
|
Yes |
Included Software: |
Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) |
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OS Compatibility: |
Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) |
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Notes & Features: |
SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS. SLT-A55 is identical but without GPS. |
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