- 4/3 226.2mm2
- 20.4 megapixels
- ISO 200 - 25,600
- Go in depth with our full OM System OM-1 Review.
- See real-world photos taken with the OM-1.
Links | ||
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Prices: | ||
Manufacturer URL: | Manufacturer website | Manufacturer website |
Predecessor: | ||
Successor: | ||
General | ||
Model Number: | DSLR-A550 | OM-1 |
Alternate Model Number(s): | ||
Camera Format: | SLR | Compact System Camera |
Currently Manufactured: | No | Yes |
Retail Price: | $1049.99 | $2199.99 |
Street Price: | $859.40 | |
Date Available: | 2009-10-08 | 2022-03-01 |
Tripod Mount: | Yes | Yes |
Weight: |
32.2 oz
(912 g)
includes batteries, kit lens |
18.0 oz
(511 g)
includes batteries |
Size: |
5.4 x
4.1 x
3.3 in. (137 x 104 x 84 mm) |
5.3 x
3.6 x
2.9 in. (135 x 92 x 73 mm) |
Waterproof: | No | No |
Waterproof Depth: | n/a | n/a |
Image Sensor | ||
Sensor Type: | CMOS | Live MOS |
Sensor Manufacturer: | Sony | |
Effective Megapixels: | 14.2 | 20.4 |
Sensor Format: | APS-C | 4/3 |
Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 226.2mm2 (17.40mm x 13.00mm) |
Approximate Pixel Pitch: | 5.16 microns | 3.36 microns |
Focal Length Multiplier: | 1.5x | 2.0x |
Aspect Ratio: | 3:2, 16:9 | 4:3 |
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 | Yes |
DxO Sensor Score: | 66 | |
DxO Color Depth Score (bits): | 21.9 | |
DxO Dynamic Range Score (evs): | 11.8 | |
DxO Maximum Effective ISO Score (iso): | 807 | |
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) |
5184 x 3888
(20.2 MP,
4:3), 1024 x 786 (0.8 MP, Other), 10368 x 7776 (80.6 MP, 4:3), 8160 x 6120 (49.9 MP, 4:3), 5760 x 4320 (24.9 MP, 4:3) |
Image File Format: | JPEG, RAW | JPEG, 12-bit lossless compressed RAW (.ORF), RAW + JPEG |
Continuous-mode frames/second: | 6.7 | 120.0 |
Video Capture | ||
Can take movies: | No | Yes |
Movie Resolution: |
4096x2160 (60p/50p/30p/25p/24p)
3840x2160 (60p/50p/30p/25p/24p) 1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p) 4096x2160 (15p/12p/8p/6p/3p) 3840x2160 (25p/24p/15p/12p/8p/6p/3p) 1920x1080 (60p/50p/25p/24p/15p/12p/8p/6p/3p) 1280x720 (60p/50p/25p/24p/15p/12p/8p/6p/3p) |
|
Movie File Format: | MOV (HEVC/H.265; MPEG-4 AVC/H.264 with stereo sound) | |
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 |
Lens & Optics | ||
Lens Mount: | Sony Alpha (Minolta A) | Micro Four Thirds |
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 | Yes |
Digital Zoom Values: | n/a | 2x (3x in movie mode) |
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 | Hybrid Phase-detect/Contrast-detect AF, 1053 AF points, all cross-type; All target, group target (9-area or 5- area), single target, small target (9 point), Cross target (39 points), Middle target (63 points), Large target (165 points) |
Auto Focus Assist Light? | Yes | Yes |
Manual Focus: | Yes | Yes |
Viewfinder | ||
Viewfinder: | Optical / LCD | EVF / LCD |
Viewfinder Type: | SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 19mm eyepoint, -2.5 to +1.0 diopter | EVF; High-speed (120fps) low latency (6ms) 5.76M-dot LCD, 1.48x - 1.65x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor |
Focus Peaking: | No | Yes |
EVF Resolution: | n/a | 2,360,000 dots |
Viewfinder Magnification (35mm equivalent): | 0.53x | |
Viewfinder Magnification (nominal/claimed): | 0.80x | |
Display | ||
Eye-level Viewfinder: | Yes | Yes |
Rear Display: | Yes | Yes |
Rear Display Size (inches): | 3.0 | 3.0 |
Rear Display Resolution: | 921,600 dots | 1,620,000 dots (540,000 px) |
Touchscreen: | No | Yes |
Articulating Screen: | Yes | Yes |
Tilt Swivel Screen: | Yes | |
Selfie Screen: | Yes | |
Max Playback Zoom: | 14.0x | 14.0x |
Top Deck Display: | No | No |
Exposure | ||
Maximum ISO (native): | 12800 | 25600 |
Minimum ISO (native): | 200 | 200 |
ISO Settings: | Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800 | AUTO ISO: LOW (approx. 80) - 25600 with customizable upper limit (200 - 102400); Manual ISO: Low (approx. 80, approx. 100) - 102400, 1/3 or 1 EV steps selectable |
Auto ISO Mode: | Yes | Yes |
White Balance Settings: | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom | Auto, Sunny, Shadow, Cloudy, Incandescent, Fluorescent, Underwater, WB Flash, Custom WB (Kelvin), One-touch WB (4); WB Tuning: +/-7 steps along A-B / G-M axis |
Shutter Speed Range: | 1/4000 - 30 sec | 1/32000 - 60 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) | Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control |
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 | 3 Custom settings; Art Filter (Pop Art, Soft Focus, Pale & Light Color, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone, Key Line, Watercolor, Vintage, Partial Color, Bleach Bypass, Instant Film; Art Effect (Soft Focus Effect, Pin-Hole Effect, White Edge Effect, Frame Effect, Star Light Effect, Blur Effect, B&W Effect, Picture Tone, Shade Effect); Underwater Wide/Underwater Macro; HDR1/2; Live Bulb; Live Time; Live Composite; Live ND; Interval Shooting, Multiple Exposure; Focus Stacking; Focus Bracketing; High-Res Shot (handheld & tripod) |
Self Timer: | 2 or 10 seconds | 2, 10, Custom seconds |
Time Lapse (intervalometer): | ||
High Resolution Composite: | No | 80.0 megapixels |
Flash | ||
Built-in Flash: | Yes | No |
Flash Modes: | Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off | Flash Auto (TTL), Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual 1/1 (FULL) - 1/64 |
Flash Guide Number (ISO 100): | 12.0 m / 39.4 ft. | 9.0 m / 29.5 ft. |
Flash Range Description: | Lens dependent | Bundled FL-LM3 flash has GN of 9m/ISO 100 |
Max Flash Sync: | 1/160 | 1/250 |
Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | +/- 3.0 EV in 0.3EV steps |
External Flash Connection: | Hot shoe | Hot Shoe, PC Sync Terminal |
Built-In Wireless Flash Control: | Full TTL exposure | No |
Image Storage | ||
Usable Memory Types: | MS Duo / MS PRO Duo / SD / SDHC | SD / SDHC / SDXC |
UHS Support: | UHS-II | |
Other Memory: | Slot 1: UHS-II, Slot 2: UHS-II | |
Dual Card Slots: | No | Yes |
RAW Capture Support: | Yes | Yes |
Uncompressed Format: | RAW | 12-bit lossless compressed RAW (.ORF), RAW + JPEG |
Movie File Format: | MOV (HEVC/H.265; MPEG-4 AVC/H.264 with stereo sound) | |
Included Memory: | No memory included | |
Included Memory Type: | ||
Connectivity | ||
Built-In Wi-Fi: | No | Yes |
NFC: | No | |
Bluetooth: | No | No |
Built-In GPS: | No | No |
Microphone Jack: | No | Yes |
Headphone Jack: | No | Yes |
External Connections: | USB 2.0 High Speed | USB 3.0 Super Speed,WiFi |
PictBridge Compliant: | Yes | Yes |
DPOF Compliant: | Yes | Yes |
Remote Control: | Yes | Yes |
Remote Control Type: | Optional Wireless or Wired | Optional wired or via Wi-Fi |
Connections (extended): | DC input, mini-HDMI, Wired Remote | Micro HDMI (Type-D), USB 3.0 Type C with Power Delivery, 3.5mm external mic jack, 3.5mm external headphone jack, 2.5mm wired remote jack |
Performance Timing | ||
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.41 | |
Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.41 | |
Buffer size for RAW shooting in single shot mode (frames): | 19 | |
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
Camera penalizes early shutter press? | No | |
JPEG shooting speed in burst mode (fps, max resolution): | 6.7 | 120.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | 15 | 92 |
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): | 0.18 seconds | |
Shutter lag (full AF, tele): | ||
Shutter lag (full AF, live view - DSLR): | ||
Shutter lag (prefocused, live view - DSLR): | ||
Shutter Lag (manual focus): | 0.178 seconds | |
Shutter lag (full AF, with flash): | 0.22 seconds | |
Shutter Lag (prefocused): | 0.074 seconds | |
Shutter Lag (notes): | Quick AF Live View shutter lag: 0.188s | |
Startup Time: | 0.5 seconds | |
Play -> Record Time: | 0.4 seconds | |
Flash cycle time, full power: | 3.5 seconds | |
Power | ||
Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
Battery Life, Still (CIPA Rating OVF/EVF): | 950 shots | |
Battery Life, Video: | 90 minutes | |
Battery Form Factor: | Proprietary NP-FM500H | Proprietary BLX-1 |
Usable Battery Types: | Lithium-ion rechargeable | 1720mAh Lithium-ion rechargeable |
Batteries Included: | 1 x Proprietary NP-FM500H | 1 x Proprietary BLX-1 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 | OM Workspace v2 |
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). |