- 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 | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | K-S1 | OM-1 |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $799.95 | $2199.99 |
| Street Price: | $501.65 | |
| Date Available: | 2014-09-15 | 2022-03-01 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.0 oz
(765 g)
includes batteries, kit lens |
18.0 oz
(511 g)
includes batteries |
| Size: |
4.8 x
3.7 x
2.8 in. (121 x 93 x 70 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: | ||
| Effective Megapixels: | 20.1 | 20.4 |
| Sensor Format: | APS-C | 4/3 |
| Sensor size: | 366.6mm2 (23.50mm x 15.60mm) | 226.2mm2 (17.40mm x 13.00mm) |
| Approximate Pixel Pitch: | 4.29 microns | 3.36 microns |
| Focal Length Multiplier: | 1.5x | 2.0x |
| Aspect Ratio: | 3:2 | 4:3 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Optional | None |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 78 | |
| DxO Color Depth Score (bits): | 23.5 | |
| DxO Dynamic Range Score (evs): | 13.0 | |
| DxO Maximum Effective ISO Score (iso): | 1,061 | |
| Image Capture | ||
| Image Resolution: |
5472 x 3648
(20.0 MP,
3:2), 4224 x 2816 (11.9 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
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 (EXIF 2.30), 12-bit RAW (.PEF, .DNG) | JPEG, 12-bit lossless compressed RAW (.ORF), RAW + JPEG |
| Continuous-mode frames/second: | 5.4 | 120.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p) |
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: | MPEG-4 AVC/H.264 (MOV) | MOV (HEVC/H.265; MPEG-4 AVC/H.264 with stereo sound) |
| Composite Video Out: | 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: | Pentax K (KA/KAF/KAF2) | Micro Four Thirds |
| Lens: | smc Pentax-DA L 18-55mm f/3.5-5.6 AL | n/a |
| Focal Length (35mm equivalent): | 27 - 83mm | |
| Focal Length (actual): | 18 - 55mm | |
| Zoom Ratio: | 3.06x | |
| Aperture Range: | f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | 52.0mm | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | 2x (3x in movie mode) | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) | 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 pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 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: | Yes | Yes |
| EVF Resolution: | n/a | 2,360,000 dots |
| Viewfinder Magnification (35mm equivalent): | 0.63x | |
| Viewfinder Magnification (nominal/claimed): | 0.95x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.0 |
| Rear Display Resolution: | 921,600 dots (307,200 px) | 1,620,000 dots (540,000 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | Yes |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 16.0x | 14.0x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 51200 | 25600 |
| Minimum ISO (native): | 100 | 200 |
| ISO Settings: | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) | 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, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature | 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: | 1/6000 - 30 sec | 1/32000 - 60 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 77 segment Multi, Center-weighted, Spot | 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: | Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3 | 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 12 seconds | 2, 10, Custom seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | 80.0 megapixels |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) | 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): | 10.0 m / 32.8 ft. | 9.0 m / 29.5 ft. |
| Flash Range Description: | Depends on lens | Bundled FL-LM3 flash has GN of 9m/ISO 100 |
| Max Flash Sync: | 1/180 | 1/250 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 3.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | Hot Shoe, PC Sync Terminal |
| Built-In Wireless Flash Control: | No | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | UHS-II |
| Other Memory: | UHS-I compliant | Slot 1: UHS-II, Slot 2: UHS-II |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | 12-bit lossless compressed RAW (.ORF), RAW + JPEG |
| Movie File Format: | MPEG-4 AVC/H.264 (MOV) | MOV (HEVC/H.265; MPEG-4 AVC/H.264 with stereo sound) |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | 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: | No | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Optional wired or via Wi-Fi |
| Connections (extended): | Micro (Type D) HMDI | 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): | ||
| Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
| Buffer size for RAW shooting in single shot mode (frames): | ||
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | ||
| JPEG shooting speed in burst mode (fps, max resolution): | 5.4 | 120.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 20 | 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): | ||
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | ||
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | ||
| Shutter Lag (notes): | ||
| Startup Time: | ||
| Play -> Record Time: | ||
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
| Battery Life, Still (CIPA Rating OVF/EVF): | 480 shots | |
| Battery Life, Video: | 90 minutes | |
| Battery Form Factor: | Proprietary D-LI109 | Proprietary BLX-1 |
| Usable Battery Types: | Lithium-ion rechargeable | 1720mAh Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI109 Lithium-ion rechargeable | 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: | Digital Camera Utility 5 Software CD-ROM | OM Workspace v2 |
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black. | |
