Side by side comparison and review of Pentax 645Z and Sigma fp. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Pentax 645Z | 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 | 11.7 cm | 6.99 cm |
| Width | 15.6 cm | 11.26 cm |
| Depth | 12.3 cm | 4.53 cm |
| Weight | 1.47 kg | 370 g |
| Weight Details | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
Camera body only: 370 g Camera with battery and memory card: 422 g |
| Body Material | - | Aluminium |
| Protection | Dust-resistant, water-resistant | Splashproof, dust-resistant |
| SENSOR | Pentax 645Z | Sigma fp |
|---|
| Sensor Resolution | 51.4 Megapixel | 24.6 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | BSI-CMOS |
| Total Pixels | 52,990,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 51,400,000 pixels | 24,600,000 pixels |
| Optical Sensor Size | - | Full Frame (35.9 x 23.1 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration) | - |
| Image Stabiliser | - | Electronic |
| LENS | Pentax 645Z | Sigma fp |
|---|
| Lens Mounting Type | Pentax 645AF | L-Mount |
|---|
| FOCUSING | Pentax 645Z | Sigma fp |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 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 645Z | Sigma fp |
|---|
| Viewfinder Type | Optical - trapezoid prism | - |
|---|---|---|
| Optical Viewfinder Field Coverage | 98% | - |
| Optical Viewfinder Magnification | 0.62x | - |
| Optical Viewfinder Dioptric Correction Range | -3.5 to +2 | - |
| Field of View Crop Factor | 1.3 | - |
| EXPOSURE & WHITE BALANCE | Pentax 645Z | Sigma fp |
|---|
| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Native ISO | 100-204800 | 100-25600 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 6 |
| Light Sensitivity | ISO auto (100-204800), ISO 100-248000 | 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, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, manual, aperture-priority, shutter-priority |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film | 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 | Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) | Incandescent, fluorescent, Flash, daylight, shade, overcast |
| Shutter Type | Electronic | Electronic |
| Max Shutter Speed | 1/4000 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 | 1/125sec | - |
| Exposure Range | EV -1-21 (ISO 200) | EV -5-18 (ISO 100) |
| DISPLAY | Pentax 645Z | 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 | Display brightness control, display colour control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax 645Z | Sigma fp |
|---|
| Digital Video Format | MJPEG, H.264 | H.264, MOV, CinemaDNG |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | - | Stereo |
| MEMORY | Pentax 645Z | 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 6000 x 4000 RAW 3840 x 2560 - 1.5x crop RAW 3008 x 2000 RAW 1920 x 1080 - 1.5x crop |
| Video Capture | - | 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 645Z | 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 - 650 shots Playback - 6.67 hours |
Photo shooting - 280 shots Video recording - 70 minutes |
| CONNECTIONS | Pentax 645Z | Sigma fp |
|---|
| Interface | HDMI, USB 3.0 | HDMI, USB 3.1 |
|---|---|---|
| Tripod Mount Connection Point | - | 3 x 1/4" sockets |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 3.0 (24 pin Micro-USB-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) DC power input |
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 645Z | Sigma fp |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second | 3 frames per second, 5 frames per second, 18 frames per second |
| HDR Mode | - | Multi Frame HDR mode |
| Additional Features | RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction | Built-in speaker, AE lock, AF lock, USB charging, Bayer mosaic RGB filter, no Optical Low Pass Filter (OLFP) |
| OTHERS | Pentax 645Z | Sigma fp |
|---|
| Included Accessories | Carrying strap, battery charger, body cap, eyecup, shoe cap | Carrying strap, body cap, AC power adaptor, USB cable, strap holder, hot shoe unit |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | - | 40 °C |
| Min Operating Temperature | - | 0 °C |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
