| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | GX-20 | R50 |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Compact |
| Currently Manufactured: | No | No |
| Retail Price: | $1399.95 | $250.00 |
| Street Price: | ||
| Date Available: | 2008-03-30 | 2008-03-31 |
| Tripod Mount: | Yes | No |
| Weight: | 25.2 oz (714 g) | 4.1 oz (116 g) |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
3.8 x
2.2 x
0.9 in. (97 x 56 x 23 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CCD |
| Sensor Manufacturer: | ||
| Effective Megapixels: | 14.6 | 10.0 |
| Sensor Format: | APS-C | 1/2.3 inch |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 28.0735mm2 (6.17mm x 4.55mm) |
| Approximate Pixel Pitch: | 5.07 microns | 1.69 microns |
| Focal Length Multiplier: | 1.5x | n/a |
| Aspect Ratio: | 3:2 | 4:3, 3:2 |
| Color Filter Type: | RGBG | |
| Anti Aliasing Filter: | Fixed | |
| 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) |
3648 x 2736
(10.0 MP,
4:3), 3648 x 2056 (7.5 MP, Other), 2816 x 2112 (5.9 MP, 4:3), 2288 x 1712 (3.9 MP, Other), 1600 x 1200 (1.9 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit | JPEG (EXIF v2.21) |
| Continuous-mode frames/second: | n/a | n/a |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
640x480 (30)
320x240 (15) |
|
| Movie File Format: | MOV (Quicktime) | |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | No | |
| HD Video Out: | No | No |
| HD Video Connection: | ||
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | n/a |
| Lens: | n/a | Ricoh Zoom Lens |
| Focal Length (35mm equivalent): | 36 - 180mm | |
| Focal Length (actual): | 6.3 - 31.5mm | |
| Zoom Ratio: | 5.00x | |
| Aperture Range: | f/3.5 (wide) / f/5.6 (tele) - ??? | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
40 cm to Infinity 15.7 in to Infinity |
|
| Macro Focus Range: |
10 -
100 cm 3.9 - 39.4 in |
|
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | 4x |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Multi AF (CCD method, 9-point range finder) / Spot AF (CCD method) |
| Auto Focus Assist Light? | Yes | No |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism | |
| Focus Peaking: | No | No |
| 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 | 2.5 |
| Rear Display Resolution: | 230,000 dots | 230,000 dots |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 57.0x |
| Top Deck Display: | Yes | |
| Exposure | ||
| Maximum ISO (native): | 3200 | |
| Minimum ISO (native): | 100 | |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto, 50, 100, 200, 400, 800, 1600, 3200 |
| Auto ISO Mode: | Yes | No |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto, Outdoors, Cloudy, Incandescent, Fluorescent, Manual |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/2000 - 1 sec |
| Bulb Mode: | Yes | No |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 1.8EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, Center-weighted, Spot | 256-segment 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: | Sensitivity Priority, Shutter and Aperture Priority | Auto, Sports, Portrait, Landscape, Night view portrait, Fireworks, Lamp, Still image with audio, Best shot, Face chaser, Cosmetic, Monochrome, Sepia, Contrast, Vivid |
| Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | No | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | Auto, Forced, Off, Red-eye reduction |
| Flash Guide Number (ISO 100): | n/a | n/a |
| Flash Range Description: | Depends on lens | Wide: 40cm to 2.9m; Tele: 60cm to 1.8m |
| Max Flash Sync: | 1/180 | |
| Flash Exposure Compensation: | ||
| External Flash Connection: | Hot Shoe, X-Sync Socket | n/a |
| Built-In Wireless Flash Control: | ||
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | No |
| Uncompressed Format: | RAW (.PEF, .DNG), 14-bit | |
| Movie File Format: | MOV (Quicktime) | |
| Included Memory: | No memory included | 52.0 MB |
| Included Memory Type: | built-in memory | |
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | 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 | No |
| Remote Control Type: | Wired or IR | |
| Connections (extended): | DC input, wired remote | |
| 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): | ||
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | ||
| 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): | 220 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | ||
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | 1 x proprietary DB-80 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium Ion rechargeable |
| Batteries Included: | 1 x Proprietary Lithium-ion rechargeable | 1 x DB-80 Lithium Ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | ||
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | ||
