- 35mm 858.0mm2
- 24.6 megapixels
- ISO 100 - 25,600
- Go in depth with our full Sigma fp Review.
- See real-world photos taken with the fp.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | GX-20 | fp |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1399.95 | $1899.00 |
| Street Price: | $1,479.50 | |
| Date Available: | 2008-03-30 | 2019-10-25 |
| Tripod Mount: | Yes | Yes |
| Weight: | 25.2 oz (714 g) |
14.9 oz
(422 g)
includes batteries |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
4.4 x
2.8 x
1.8 in. (113 x 70 x 45 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | ||
| Effective Megapixels: | 14.6 | 24.6 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 858.01mm2 (35.90mm x 23.90mm) |
| Approximate Pixel Pitch: | 5.07 microns | 5.98 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | Bayer |
| Anti Aliasing Filter: | Fixed | None |
| Self-Cleaning: | Yes | No |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 68 | |
| DxO Color Depth Score (bits): | 23.1 | |
| DxO Dynamic Range Score (evs): | 11.2 | |
| DxO Maximum Effective ISO Score (iso): | 714 | |
| Image Capture | ||
| Image Resolution: |
4672 x 3104
(14.5 MP,
Other), 3872 x 2592 (10.0 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 1824 x 1216 (2.2 MP, 3:2) |
6000 x 4000
(24.0 MP,
3:2), 4240 x 2392 (10.1 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 4240 x 2392 (10.1 MP, Other), 3008 x 1688 (5.1 MP, 16:9), 6000 x 2576 (15.5 MP, Other), 4240 x 1824 (7.7 MP, Other), 3008 x 1288 (3.9 MP, Other), 5664 x 4000 (22.7 MP, Other), 4000 x 2832 (11.3 MP, Other), 2832 x 2000 (5.7 MP, Other), 5344 x 4000 (21.4 MP, Other), 3776 x 2832 (10.7 MP, 4:3), 2672 x 2000 (5.3 MP, Other), 4672 x 4000 (18.7 MP, Other), 3312 x 2832 (9.4 MP, Other), 2336 x 2000 (4.7 MP, Other), 4000 x 4000 (16.0 MP, 1:1), 2832 x 2832 (8.0 MP, 1:1), 2000 x 2000 (4.0 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit | JPEG (EXIF 2.3), RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG |
| Continuous-mode frames/second: | n/a | 18.0 |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/50p/30p/25p/24p) |
|
| Movie File Format: | CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit) | |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | No | Yes |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | L Mount |
| Lens: | n/a | n/a |
| Focal Length (35mm equivalent): | ||
| Focal Length (actual): | ||
| Zoom Ratio: | ||
| Aperture Range: | ||
| Integrated ND Filter: | No | |
| Normal Focus Range: | ||
| Macro Focus Range: | ||
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | |
| Digital Zoom Values: | n/a | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Contrast Detect AF: Auto, 49-points selection mode, Free Movement mode, Face / Eye Detection AF mode, Tracking AF mode |
| Auto Focus Assist Light? | Yes | No |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | No / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism | Optional LCD View Finder LVF-11 can be attached to rear LCD |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | ||
| Viewfinder Magnification (nominal/claimed): | ||
| Display | ||
| Eye-level Viewfinder: | Yes | No |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.2 |
| Rear Display Resolution: | 230,000 dots | 2,100,000 dots |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | 25600 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto, 100-25600, expandable to ISO 6, 12, 25, 50, 51200, 102400 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3 |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, Center-weighted, Spot | Evaluative, center-weighted average, spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Sensitivity Priority, Shutter and Aperture Priority | Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Teal & Orange, Sunset Red, Forest Green,FOV Classic Blue, FOV Classic Yellow, Monochrome; Fill Light, Shading Correction, HDR shooting |
| Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | S-TTL automatic light control, Manual, Wireless flash, Multi-emission; Red-eye effect reduction, Slow synchronization, 2nd Curtain Synchronization |
| Flash Guide Number (ISO 100): | n/a | n/a |
| Flash Range Description: | Depends on lens | n/a |
| Max Flash Sync: | 1/180 | 1/30 (1/15 in 14-bit mode) |
| Flash Exposure Compensation: | +/- 3.0 EV in 0.3EV steps | |
| External Flash Connection: | Hot Shoe, X-Sync Socket | Hot Shoe Unit HU-11 (supplied) |
| Built-In Wireless Flash Control: | No | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | UHS-II | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG), 14-bit | RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG |
| Movie File Format: | CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit) | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | 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 3.0 Super Speed |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Optional wired (Cable Release CR-41) |
| Connections (extended): | DC input, wired remote | USB Type-C (USB3.1 Gen1), Micro HDMI (Type D), 3.5mm stereo mic/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): | 18.0 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 12 | |
| RAW shooting speed in burst mode (fps): | 18.0 | |
| Buffer size for RAW shooting in burst mode (frames): | 12 | |
| 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): | ||
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | Proprietary BP-51 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary Lithium-ion rechargeable | 1 x Proprietary BP-51 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | No | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | ||
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | ||
