| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Sony A7 III
A7 III vs A7 IV |
|
| Successor: |
Pentax K-3 II
K-3 vs K-3 II |
|
| General | ||
| Model Number: | K-3 | A7 IV |
| Alternate Model Number(s): | ILCE-7M4 | |
| Camera Format: | Pro SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $1149.95 | $2500.00 |
| Street Price: | $699.00 | $2,231.33 |
| Date Available: | 2013-11-01 | 2021-12-31 |
| Tripod Mount: | Yes | Yes |
| Weight: |
43.7 oz
(1,240 g)
includes batteries, kit lens |
23.2 oz
(658 g)
includes batteries |
| Size: |
5.2 x
3.9 x
3.1 in. (132 x 100 x 77 mm) |
5.2 x
3.8 x
3.1 in. (131 x 96 x 80 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 24.4 | 33.0 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 366.6mm2 (23.50mm x 15.60mm) | 858.01mm2 (35.90mm x 23.90mm) |
| Approximate Pixel Pitch: | 3.91 microns | 5.12 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| Aspect Ratio: | 3:2 | 3:2 |
| 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 | No |
| DxO Sensor Score: | 80 | |
| DxO Color Depth Score (bits): | 23.7 | |
| DxO Dynamic Range Score (evs): | 13.4 | |
| DxO Maximum Effective ISO Score (iso): | 1,216 | |
| Image Capture | ||
| Image Resolution: |
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) |
7008 x 4672
(32.7 MP,
3:2), 4608 x 3072 (14.2 MP, 3:2), 3504 x 2336 (8.2 MP, 3:2), 7008 x 3944 (27.6 MP, 16:9), 4608 x 2592 (11.9 MP, 16:9), 3504 x 1968 (6.9 MP, 16:9), 6224 x 4672 (29.1 MP, 4:3), 4096 x 3072 (12.6 MP, 4:3), 3120 x 2336 (7.3 MP, Other), 4672 x 4672 (21.8 MP, 1:1), 3072 x 3072 (9.4 MP, 1:1), 2336 x 2336 (5.5 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG | JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF |
| Continuous-mode frames/second: | 7.1 | 10.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) |
3840x2160 (60p/50p/30p/25p/24p)
1920x1080 (120p/60p/50p/30p/25p/24p) |
| Movie File Format: | MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record | XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) |
| 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: | Pentax K (KA/KAF/KAF2/3) | Sony E |
| Lens: | smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR | Sony FE 28-70mm f/3.5-5.6 OSS SEL2870 |
| Focal Length (35mm equivalent): | 27 - 203mm | 28 - 70mm |
| Focal Length (actual): | 18 - 135mm | 28 - 70mm |
| Zoom Ratio: | 7.50x | 2.50x |
| Aperture Range: | f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) | f/3.5-22 (W) / f/5.6-36 (T) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
40 cm to Infinity 15.7 in to Infinity |
40 cm to Infinity 15.7 in to Infinity |
| Macro Focus Range: | ||
| Filter Thread: | 62.0mm | 55.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | |
| Digital Zoom Values: | Up to 4x; 2x Clear Image Digital Zoom | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) | Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF |
| 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., TBDmm eyepoint, -2.5 to +1.5 diopter | EVF: 1.3 cm (0.5 type) 3.68M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, 23mm eyepoint from the eyepiece lens |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | n/a | 3,686,400 dots (1,228,800 pixels) |
| 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): | 3.2 | 3.0 |
| Rear Display Resolution: | 1,036,800 dots (345,600 px) | 3,680,000 dots |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | Yes |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 16.0x | 13.3x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 51200 | 51200 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) | Auto, 100 - 51200, expandable to 50 - 204800 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | 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) | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater |
| Shutter Speed Range: | 1/8000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot | 1200-zone Evaluative Multi-segment, Center-weighted, Spot (Standard/Large), Entire Screen Avg., Highlight |
| 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; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. | 3 Custom Settings; Creative Look; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: | 2 or 12 seconds | 2, 5, 10; 3/5 shots after 2/5/10 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 ft. | n/a |
| Flash Range Description: | Depends on lens | n/a |
| 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, PC Sync socket | Enhanced Multi Interface Hot Shoe, Sync Terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | No |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | MS PRO Duo / SD / SDHC / SDXC / CFexpress |
| UHS Support: | UHS-I | UHS-I |
| Other Memory: | 2x:CFexpress Type A, SD UHS-II | |
| Dual Card Slots: | Yes | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 14-bit RAW (.PEF, .DNG), RAW+JPEG | RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF |
| Movie File Format: | MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record | XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | Yes |
| Bluetooth: | No | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | Yes | Yes |
| Headphone Jack: | Yes | Yes |
| External Connections: | USB 3.0 Super Speed | USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional Wired or IR | Yes, via USB or Wi-Fi |
| Connections (extended): | 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 | USB-C (USB 3.2 Gen2, 10Gbps), Multi-Terminal Micro USB (with remote support), Type-A HDMI, 3.5mm Microphone and Headphone jacks |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.79 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.64 | |
| Buffer size for RAW shooting in single shot mode (frames): | Unlimited | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.69 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 7.1 | 10.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 75 | 828 |
| 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): | 0.14 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): | 0.097 seconds | |
| Shutter lag (full AF, with flash): | 0.33 seconds | |
| Shutter Lag (prefocused): | 0.096 seconds | |
| Shutter Lag (notes): | 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: | 0.9 seconds | |
| Play -> Record Time: | 0.6 seconds | |
| Flash cycle time, full power: | 2.3 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
| Battery Life, Still (CIPA Rating OVF/EVF): | 560 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI90 | Proprietary |
| Usable Battery Types: | Lithium-ion rechargeable | NP-FZ100 Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI90 Lithium-ion rechargeable | 1 x Proprietary NP-FZ100 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | Yes |
| Internal Charging Supported: | No | Yes |
| Software | ||
| Included Software: | Software CD-ROM S-SW140 | Capture One Express (for Sony) free download |
| OS Compatibility: | Windows, Mac OS X | |
| Miscellaneous | ||
| Notes & Features: | 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. | |
