| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: |
Pentax K-3 II
K-3 vs K-3 II |
|
| General | ||
| Model Number: | NX20 | K-3 |
| Alternate Model Number(s): | ||
| Camera Format: | Compact System Camera | Pro SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $1099.99 | $1149.95 |
| Street Price: | $399.99 | $699.00 |
| Date Available: | 2012-05-05 | 2013-11-01 |
| Tripod Mount: | Yes | Yes |
| Weight: |
22.5 oz
(637 g)
includes batteries, kit lens |
43.7 oz
(1,240 g)
includes batteries, kit lens |
| Size: |
4.8 x
3.5 x
1.6 in. (122 x 90 x 40 mm) |
5.2 x
3.9 x
3.1 in. (132 x 100 x 77 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Samsung | |
| Effective Megapixels: | 20.3 | 24.4 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: | 4.33 microns | 3.91 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | Optional |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | No | Yes |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 75 | 80 |
| DxO Color Depth Score (bits): | 23.4 | 23.7 |
| DxO Dynamic Range Score (evs): | 12.9 | 13.4 |
| DxO Maximum Effective ISO Score (iso): | 785 | 1,216 |
| Image Capture | ||
| Image Resolution: |
5472 x 3648
(20.0 MP,
3:2), 5472 x 3080 (16.9 MP, 16:9), 3648 x 3648 (13.3 MP, 1:1), 3888 x 2592 (10.1 MP, 3:2), 3712 x 2088 (7.8 MP, 16:9), 2640 x 2640 (7.0 MP, 1:1), 2976 x 1984 (5.9 MP, 3:2), 2736 x 1824 (5.0 MP, 3:2), 2944 x 1656 (4.9 MP, 16:9), 2000 x 2000 (4.0 MP, 1:1), 1920 x 1080 (2.1 MP, 16:9), 1728 x 1152 (2.0 MP, 3:2), 1024 x 1024 (1.0 MP, 1:1) |
6016 x 4000
(24.1 MP,
3:2), 4608 x 3072 (14.2 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
| Image File Format: | JPEG (EXIF 2.21), .SRW 12-bit RAW | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Continuous-mode frames/second: | 7.5 | 7.1 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (30p)
1920x810 (24p) 1280x720 (30p) 640x480 (30p) 320x240 (30p) |
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) |
| Movie File Format: | MP4 (H.264) with AAC audio | MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | n/a | |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Samsung NX | Pentax K (KA/KAF/KAF2/3) |
| Lens: | Samsung 18-55mm f/3.5-5.6 OIS NX | smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR |
| Focal Length (35mm equivalent): | 27 - 84mm | 27 - 203mm |
| Focal Length (actual): | 18 - 55mm | 18 - 135mm |
| Zoom Ratio: | 3.06x | 7.50x |
| Aperture Range: | f/3.5 (wide) / f/5.6 (tele) - f/22 | f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
28 cm to Infinity 11.0 in to Infinity |
40 cm to Infinity 15.7 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | 58.0mm | 62.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | Yes | No |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | Up to 2x i-Zoom | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 15-point Contrast Detection; has single-point and 35-point closeup modes; Face Detection : Max. 10 faces | SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / OLED | Optical / LCD |
| Viewfinder Type: | EVF type with Eye Contact Sensor; SVGA (800 x 600) TFT-LCD; Coverage: Approx. 100%; Magnification: Approx. 1.04X (APS-C, 50mm, -1m-1), Approx. 0.68X (Equivalent to a 50mm lens on a 35mm camera); Eyepoint: Approx. 18.0mm; Diopter Adjustment: -4.0 to +4.0m- | SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter |
| Focus Peaking: | No | Yes |
| EVF Resolution: | 1,440,000 dots (480,000 pixels) | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.69x | 0.63x |
| Viewfinder Magnification (nominal/claimed): | 1.04x | 0.95x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.2 |
| Rear Display Resolution: | 614,400 dots | 1,036,800 dots (345,600 px) |
| Touchscreen: | No | No |
| Articulating Screen: | Yes | No |
| Tilt Swivel Screen: | No | |
| Selfie Screen: | No | |
| Max Playback Zoom: | 16.0x | |
| Top Deck Display: | No | Yes |
| Exposure | ||
| Maximum ISO (native): | 12800 | 51200 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (1 or 1/3 EV steps) | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust | Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings) |
| Shutter Speed Range: | 1/8000 - 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: | 221-segment Multi, Center-weighted, Spot | TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Scene: Panorama (Live, 3D), Beauty shot, Night, Landscape, Portrait, Children, Sports, Close-Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Sound Picture, 3D Photo; Smart Filter: Vignetting, Miniature, Fish-Eye, Sketch, De-fog, Halftone Dots, Soft Focus, Old Film1, Old Film2, Negative, Selective Color (4 Color Modes); Magic Frame: Old Album, Old Film, Wave, Full Moon, Old Record, Magazine, Sunny Day, Classic TV, Wall Art, Holiday, Billboard 1, Billboard 2, Newspaper | Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. |
| Self Timer: | 2-30 sec in 1 sec steps seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off | P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. |
| Flash Guide Number (ISO 100): | 11.0 m / 36.1 ft. | 13.0 m / 42.7 ft. |
| Flash Range Description: | Depends on lens aperture | Depends on lens |
| Max Flash Sync: | 1/180 | 1/180 |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.5EV steps | -2 to +1 EV in 0.5EV steps |
| External Flash Connection: | Hot shoe | Hot Shoe, PC Sync socket |
| Built-In Wireless Flash Control: | No | Full TTL exposure |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | .SRW 12-bit RAW | 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Movie File Format: | MP4 (H.264) with AAC audio | MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | Yes | No |
| 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,WiFi | USB 3.0 Super Speed |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional wired (SR2NX02) | Optional Wired or IR |
| Connections (extended): | Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port | Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 1.40 | 0.79 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 1.32 | 0.64 |
| Buffer size for RAW shooting in single shot mode (frames): | 4 | Unlimited |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.69 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 7.5 | 7.1 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 11 | 75 |
| RAW shooting speed in burst mode (fps): | 7.1 | |
| Buffer size for RAW shooting in burst mode (frames): | 24 | |
| RAW+JPEG shooting speed in burst mode (fps): | 7.1 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 25 | |
| Shutter lag (full AF, wide/mid): | 0.35 seconds | 0.14 seconds |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | 1.01 seconds | |
| Shutter lag (prefocused, live view - DSLR): | 0.226 seconds | |
| Shutter Lag (manual focus): | 0.060 seconds | 0.097 seconds |
| Shutter lag (full AF, with flash): | 0.62 seconds | 0.33 seconds |
| Shutter Lag (prefocused): | 0.044 seconds | 0.096 seconds |
| Shutter Lag (notes): | Full AF Shutter Lag, Wide Area mode = 0.650s | Full AF lag, Wide-area mode, OVF = 0.157s Live View: Center mode AF lag = 1.014s Wide-area mode AF lag = 1.005s Prefocused = 0.226s |
| Startup Time: | 3.0 seconds | 0.9 seconds |
| Play -> Record Time: | 0.9 seconds | 0.6 seconds |
| Flash cycle time, full power: | 3.6 seconds | 2.3 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 360 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 560 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary BP1310 | Proprietary D-LI90 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary BP1310 lithium-ion rechargeable | 1 x Proprietary D-LI90 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: | intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader | Software CD-ROM S-SW140 |
| OS Compatibility: | Windows, Mac OS (except intelli-studio) | |
| Miscellaneous | ||
| Notes & Features: | Built-in Wi-Fi (IEEE 802.11b/g/n support, Mobile Link, Remote Viewfinder, Social Sharing, Email, Cloud , Auto Backup, TV Link, Wi-Fi Direct), supports geotagging w/ optional WGS84 GPS Module. | Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port. |
