In depth comparison and review of Pentax K-1 and Sigma fp. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Pentax K-1 | Sigma fp |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11 cm | 6.99 cm |
| Width | 13.65 cm | 11.26 cm |
| Depth | 8.55 cm | 4.53 cm |
| Weight | 925 g | 370 g |
| Weight Details | - | Camera body only: 370 g Camera with battery and memory card: 422 g |
| Body Material | - | Aluminium |
| Protection | Weatherproof, freezeproof, dust-resistant | Splashproof, dust-resistant |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-1 | Sigma fp |
|---|
| Sensor Resolution | 36.4 Megapixel | 24.6 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | BSI-CMOS |
| Total Pixels | 36,770,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 36,400,000 pixels | 24,600,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | Full Frame (35.9 x 23.1 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Electronic |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Magnetometer, digital level metre | - |
| PROCESSOR | Pentax K-1 | Sigma fp |
|---|
| Image Processor | PRIME IV | - |
|---|
| LENS | Pentax K-1 | Sigma fp |
|---|
| Lens Mounting Type | Pentax KAF2 | L-Mount |
|---|
| FOCUSING | Pentax K-1 | Sigma fp |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 33 | 49 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF, Predictive AI Servo AF |
| Face Detection | - | Face-priority AF function |
| VIEWFINDER | Pentax K-1 | Sigma fp |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | - |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.70x | - |
| Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | - |
| EXPOSURE & WHITE BALANCE | Pentax K-1 | Sigma fp |
|---|
| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Native ISO | 100-204800 | 100-25600 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 6 |
| Light Sensitivity | ISO auto, ISO 100-204800 | ISO 50, ISO 102400, ISO 51200, ISO 100-25600, ISO 6, ISO 12, ISO 25 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, spot |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, manual, aperture-priority, shutter-priority |
| Special Effects | - | Cinema, Neutral, Vivid, monochrome, landscape, portrait, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Standard, Teal & Orange |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white), ASTRO TRACER | Incandescent, fluorescent, Flash, daylight, shade, overcast |
| Shutter Type | Mechanical electronically-controlled | Electronic |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | - | 3, 5 steps in 1/3 EV step |
| X-sync Speed | 1/200sec | - |
| Exposure Range | EV -3-20 (ISO 100) | EV -5-18 (ISO 100) |
| DISPLAY | Pentax K-1 | Sigma fp |
|---|
| Type | 3.2" LCD display | 3.15" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Colour control, display brightness control, display saturation control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-1 | Sigma fp |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, MOV, CinemaDNG |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Pentax K-1 | Sigma fp |
|---|
| Memory Card Slot | Dual SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card |
| Memory Card Included | No | No |
| Image Storage | RAW 7360 x 4912 JPEG 7360 x 4912 JPEG 5760 x 3840 JPEG 4224 x 2816 JPEG 1920 x 1280 RAW 4800 x 3200 JPEG 4800 x 3200 |
RAW 6000 x 4000 RAW 3840 x 2560 - 1.5x crop RAW 3008 x 2000 RAW 1920 x 1080 - 1.5x crop |
| Video Capture | 1920 x 1080 1280 x 720 |
3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.88 fps 1920 x 1080 p - 100 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 23.98 fps |
| BATTERY AND CHARGING | Pentax K-1 | Sigma fp |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Sigma BP-51 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Sigma BP-51 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 760 shots Playback - 6.5 hours |
Photo shooting - 280 shots Video recording - 70 minutes |
| CONNECTIONS | Pentax K-1 | Sigma fp |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB 3.1 |
|---|---|---|
| Computer Connectivity | Mac, Windows | - |
| Tripod Mount Connection Point | - | 3 x 1/4" sockets |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone / remote control (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-1 | Sigma fp |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 0.7 frames per second, 6.5 frames per second, 4.4 frames per second | 3 frames per second, 5 frames per second, 18 frames per second |
| HDR Mode | Auto HDR mode | Multi Frame HDR mode |
| Additional Features | Digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, interval shooting mode, peripheral illumination correction, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, Operation Assist LED lighting | Built-in speaker, AE lock, AF lock, USB charging, Bayer mosaic RGB filter, no Optical Low Pass Filter (OLFP) |
| OTHERS | Pentax K-1 | Sigma fp |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover | Carrying strap, body cap, AC power adaptor, USB cable, strap holder, hot shoe unit |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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