• APS-C 369.7mm2
  • 10.2 megapixels
  • ISO 100 - 3200
  • 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A230
  • Pentax Optio RZ18
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DSLR-A230 RZ18
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $549.00 $299.95
Street Price:   $209.99
Date Available: 2009-06-15 2011-10-31
Tripod Mount: Yes Yes
Weight: 25.6 oz (725 g)
includes batteries
6.7 oz (190 g)
includes batteries
Size: 5.0 x 3.8 x 2.7 in.
(128 x 97 x 68 mm)
4.3 x 2.4 x 1.4 in.
(109 x 61 x 36 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer: Sony  
Effective Megapixels: 10.2 16.0
Sensor Format: APS-C 1/2.33 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 28.198mm2 (6.13mm x 4.6mm)
Approximate Pixel Pitch: 6.12 microns 1.33 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 63  
DxO Color Depth Score (bits): 22.3  
DxO Dynamic Range Score (evs): 11.4  
DxO Maximum Effective ISO Score (iso): 531  
Image Capture
Image Resolution: 3872 x 2592 (10.0 MP, Other),
2896 x 1936 (5.6 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
3872 x 2176 (8.4 MP, 16:9),
2896 x 1632 (4.7 MP, Other),
1920 x 1088 (2.1 MP, Other)
4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, RAW JPG (EXIF 2.3)
Continuous-mode frames/second: 2.4 n/a
Video Capture
Can take movies: No Yes
Movie Resolution: 1280x720 (30)
1280x720 (15)
640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
Movie File Format:   AVI (Motion JPG)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 18-55mm f/3.5-5.6 DT SAM smc PENTAX zoom lens, 12 elements, 11 groups, 4 aspheric elements
Focal Length (35mm equivalent): 27 - 83mm 25 - 450mm
Focal Length (actual): 18 - 55mm 4.5 - 81mm
Zoom Ratio: 3.00x 18.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/3.5 (wide) / f/5.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:   4 - 50 cm
1.6 - 19.7 in
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a 7.2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection (one cross-type sensor) with eye-start AF 9-point / spot TTL contrast detection w/ tracking
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.83x mag., 16.5mm eyepoint, -2.5 to +1.0 diopter  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.55x  
Viewfinder Magnification (nominal/claimed): 0.83x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,400 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 12.0x 10.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200 Auto (80 to 1,600), 80-1,600 (full res), 3,200 to 6,400 (5 megapixel or below)
Auto ISO Mode: Yes No
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom Auto, Daylight, Shade, Tungsten, Fluorescent, Manual
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 40-segment honeycomb pattern, center-weighted, spot Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Portrait, Landscape, Macro, Sports, Sunset, Night Portrait/Night View Portrait, Night Scene Portrait, Night Scene, Landscape, Blue Sky, Sunset, Flower, Sport, Pet, Digital SR (ISO 3200-6400 5M), Natural Skin Tone, Kids, Fireworks, Frame Composite (3M), Party, Food, Candlelight, Text, Surf & Snow, Digital Wide (5M), Digital Panorama (2M per frame)
Self Timer: 2 or 10 seconds 10s, 2s, Remote 3s seconds
Time Lapse (intervalometer):   No
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 Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Hot shoe n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: RAW  
Movie File Format:   AVI (Motion JPG)
Included Memory:   96.0 MB
Included Memory Type:   built-in memory
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
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 Optional infrared
Connections (extended): DC input, min-HDMI DC input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.48  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.78  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.4  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 21  
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.19 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.182 seconds  
Shutter lag (full AF, with flash): 0.22 seconds  
Shutter Lag (prefocused): 0.107 seconds  
Shutter Lag (notes): Full Autofocus Wide Area AF lag = 0.204s  
Startup Time: 0.6 seconds  
Play -> Record Time: 0.2 seconds  
Flash cycle time, full power: 4.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 510 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FH50 Proprietary D-LI92
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FH50 Lithium-ion rechargeable 1 x Proprietary D-LI92 lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software/USB Driver CD-ROM Software CD-ROM S-SW121
OS Compatibility: Windows 2000/XP/Vista, Mac OS X (v. 10.13+)  
Miscellaneous
Notes & Features: SteadyShot Sensor-Shift Image Stabilization.