Pentax K-3 Mark III vs Pentax K-70
Compare key differences and full specifications to find the camera that suits your photography.
Key differences
- Year: Pentax K-3 Mark III: 2021 ; Pentax K-70: 2016
- Weight: Pentax K-3 Mark III: 820 g ; Pentax K-70: 688 g
- Sensor size: Pentax K-3 Mark III: 23.3 x 15.5 mm ; Pentax K-70: 23.5 x 15.6 mm
- Sensor resolution: Pentax K-3 Mark III: 6213 x 4142 ; Pentax K-70: 6051 x 4007
- Effective megapixels: Pentax K-3 Mark III: 25.73 ; Pentax K-70: 24.24
- Max. video mode: Pentax K-3 Mark III: 4K 30p (3840 x 2160) ; Pentax K-70: 1920x1080 (60i/50i/30p/25p/24p)
- Battery: Pentax K-3 Mark III: D-LI90 Lithium-ion battery ; Pentax K-70: D-LI109 lithium-ion battery
Best for
Larger prints and more cropping detail: Pentax K-3 Mark III (25.73).
| Specification | Pentax K-3 Mark III | Pentax K-70 |
|---|---|---|
| General | ||
| Model | K-3 Mark III | K-70 |
| Year | 2021 | 2016 |
| Body | ||
| Dimensions | 134.5 x 103.5 x 73.5 mm | 125.5 x 93 x 74 mm |
| Weight | 820 g | 688 g |
| Sensor | ||
| Sensor size | 23.3 x 15.5 mm | 23.5 x 15.6 mm |
| Sensor resolution | 6213 x 4142 | 6051 x 4007 |
| Crop factor | 1.55 | 1.53 |
| Total megapixels | 26.78 | 24.78 |
| Effective megapixels | 25.73 | 24.24 |
| Image | ||
| Max. image resolution | 6192 x 4128 | 6000 x 4000 |
| ISO | Auto (100-1600000) | Auto, 100-102400 |
| Exposure & Shutter | ||
| Max. shutter speed | 1/8000 sec | 1/6000 sec |
| Metering | Multi, Center-weighted, Highlight-weighted, Spot | Multi, Center-weighted, Spot |
| Autofocus & Drive | ||
| Autofocus type | TTL phase detection (SAFOX 13) | — |
| AF phase-detection points | 101 (25 cross-type) | — |
| Max burst speed | 12 fps | — |
| Stabilization | ||
| In-body stabilization (IBIS) | Yes, 5-axis sensor shift (SR II) | — |
| Video | ||
| Max. video mode | 4K 30p (3840 x 2160) | 1920x1080 (60i/50i/30p/25p/24p) |
| Display & Viewfinder | ||
| Screen size | 3.2" | 3" |
| Screen resolution | 1,620,000 dots | 921,600 dots |
| Storage & Connectivity | ||
| Storage types | SD/SDHC/SDXC | SD/SDHC/SDXC (UHS-I) |
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| Power | ||
| Battery | D-LI90 Lithium-ion battery | D-LI109 lithium-ion battery |
| CIPA rated shots | 800 shots | — |
| Lens & Focus | ||
| Digital zoom | Yes | — |