• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • APS-C 369.7mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Sony Alpha DSLR-A550
  • Pentax K-5 IIs
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DSLR-A550 K-5 IIs
Alternate Model Number(s):    
Camera Format: SLR Pro SLR
Currently Manufactured: No No
Retail Price: $1049.99 $1199.95
Street Price: $859.40 $496.95
Date Available: 2009-10-08 2012-10-15
Tripod Mount: Yes Yes
Weight: 32.2 oz (912 g)
includes batteries, kit lens
26.1 oz (740 g)
includes batteries
Size: 5.4 x 4.1 x 3.3 in.
(137 x 104 x 84 mm)
5.2 x 3.8 x 2.9 in.
(131 x 97 x 73 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 14.2 16.3
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.16 microns 4.81 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 Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 66 82
DxO Color Depth Score (bits): 21.9 23.9
DxO Dynamic Range Score (evs): 11.8 14.1
DxO Maximum Effective ISO Score (iso): 807 1,208
Image Capture
Image Resolution: 4592 x 3056 (14.0 MP, 3:2),
4592 x 2576 (11.8 MP, 16:9),
3344 x 2224 (7.4 MP, 3:2),
3344 x 1872 (6.3 MP, Other),
2288 x 1520 (3.5 MP, Other),
2288 x 1280 (2.9 MP, Other)
4928 x 3264 (16.1 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
Image File Format: JPEG, RAW JPEG (EXIF 2.21), 14-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 6.7 6.7
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (25p)
1280x720 (30p/​25p)
640x480 (30p/​25p)
Movie File Format:   AVI (Motion JPEG)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Pentax K (KA/KAF/KAF2)
Lens: Sony 18-55mm f/3.5-5.6 DT SAM n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T)  
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection (one cross-type sensor) with eye-start AF; Wide, Spot, Local modes TTL phase-difference: new SAFOX X AF sensor, 11 point (9 cross type focus point in the center) with light wavelength sensor; Auto 11 Point, Auto 5 Point, User-Selectable, Center
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 19mm eyepoint, -2.5 to +1.0 diopter SLR type; eye-level pentaprism, ~100% coverage, 0.92x mag., 21.7mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.61x
Viewfinder Magnification (nominal/claimed): 0.80x 0.92x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,000 dots (307,000 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 14.0x 32.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 200 100
ISO Settings: Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800 Auto, 100-12800, expandable 80 to 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom Auto, daylight, shade, cloudy, fluorescent (D, N, W, L), tungsten, flash, CTE, manual (up to 3 settings), Kelvin temperature (up to 3 settings)
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 40-segment Multi Segment, Center-weighted, Spot; (1200 zone evaluative metering in Live View) TTL open-aperture: 77-segment, Center-weighted, Spot
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, Sunset, Night Portrait/Night View Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Toy Camera, Retro, High Contrast, Extract Color, Soft, Starburst, Fisheye, Custom
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash.
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 13.0 m / 42.7 ft.
Flash Range Description: Lens dependent Depends on lens
Max Flash Sync: 1/160 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe, PC Sync socket
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW 14-bit RAW (.PEF, .DNG)
Movie File Format:   AVI (Motion JPEG)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional Wired or IR
Connections (extended): DC input, mini-HDMI, Wired Remote Mini (Type-C) HMDI, DC input, wired remote, 3.5mm external stereo mic jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.41 0.33
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41 0.39
Buffer size for RAW shooting in single shot mode (frames): 19 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.39
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.7 6.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 28
RAW shooting speed in burst mode (fps):   6.7
Buffer size for RAW shooting in burst mode (frames):   22
RAW+JPEG shooting speed in burst mode (fps):   6.7
Buffer Size for RAW+JPEG shooting in burst mode (frames):   22
Shutter lag (full AF, wide/mid): 0.18 seconds 0.23 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.25 seconds
Shutter lag (prefocused, live view - DSLR):   0.403 seconds
Shutter Lag (manual focus): 0.178 seconds 0.204 seconds
Shutter lag (full AF, with flash): 0.22 seconds 0.25 seconds
Shutter Lag (prefocused): 0.074 seconds 0.091 seconds
Shutter Lag (notes): Quick AF Live View shutter lag: 0.188s OVF: Full AF lag, wide-area mode = 0.242s Live View: Full AF lag, phase-detect = 1.269s Full AF lag, contrast-detect = 1.250s Prefocused = 0.403s
Startup Time: 0.5 seconds 0.6 seconds
Play -> Record Time: 0.4 seconds 0.3 seconds
Flash cycle time, full power: 3.5 seconds 2.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 950 shots 740 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary D-LI90; optional D-BG4 Battery Grip
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software/USB Driver CD-ROM Software CD-ROM S-SW132
OS Compatibility: Windows 2000/XP/Vista, Mac OS X (v. 10.13+)  
Miscellaneous
Notes & Features: Exmore CMOS Sensor, Variable-angle LCD, SteadyShot In-body Sensor-shift Image Stabilization, Live View, Auto HDR, D-Range Optimizer (Auto, Level 1-5), HDMI Output, 7 fps (AF/AE Locked). A Pentax K-5 II with no anti-alias filter. Sold body-only.