Side by side comparison and review of Sigma SD Quattro + 30mm F1.4 DC HSM | Art and Pentax 645Z. 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 | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Product Type | Digital camera - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | 30mm F1.4 DC HSM | Art lens | Body only |
| Height | 9.51 cm | 11.7 cm |
| Width | 14.7 cm | 15.6 cm |
| Depth | 9.08 cm | 12.3 cm |
| Weight | 625 g | 1.47 kg |
| Weight Details | - | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
| Body Material | Magnesium alloy | - |
| Protection | Splashproof, dust-resistant | Dust-resistant, water-resistant |
| SENSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Sensor Resolution | 29.5 Megapixel | 51.4 Megapixel |
|---|---|---|
| Optical Sensor Type | X3 CMOS | CMOS |
| Total Pixels | 33,200,000 pixels | 52,990,000 pixels |
| Effective Sensor Resolution | 29,500,000 pixels | 51,400,000 pixels |
| Optical Sensor Size | APS-C (23.4 x 15.5 mm) | - |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration) |
| LENS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Type | 30 f/1.4 DC HSM | Art | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 45mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 30 cm | - |
| Max View Angle | 50.7 degree(s) | - |
| Lens Construction | 8 groups / 9 elements | - |
| Filter Size | 62 mm | - |
| Lens Mounting Type | Sigma SA | Pentax 645AF |
| Features | Full-time manual focusing, rear focusing system, Hyper Sonic Motor (HSM), aspherical lens, Sigma USB dock compatible | - |
| FOCUSING | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 9 | 27 |
| Face Detection | Face-priority AF function | - |
| VIEWFINDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Viewfinder Type | Electronic - LCD | Optical - trapezoid prism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 98% |
| Optical Viewfinder Magnification | 1.1x | 0.62x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -3.5 to +2 |
| Field of View Crop Factor | 1.5 | 1.3 |
| EXPOSURE & WHITE BALANCE | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| ISO (Max) | - | 204800 |
|---|---|---|
| Native ISO | 100-6400 | 100-204800 |
| Light Sensitivity | - | ISO auto (100-204800), ISO 100-248000 |
| Exposure Metering | Evaluative, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Special Effects | - | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film |
| 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) |
| Shutter Type | Mechanical electronically-controlled | Electronic |
| Max Shutter Speed | 1/4000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| X-sync Speed | 1/180 sec | 1/125sec |
| Exposure Range | EV 0-17 (ISO 100) | EV -1-21 (ISO 200) |
| DISPLAY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 1,620,000 pixels | 1,037,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | - | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Digital Video Format | - | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | - | 1920 x 1080 |
| MEMORY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Memory Card Slot | SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | No | No |
| Image Storage | 5440 x 3616 2720 x 1808 |
- |
| BATTERY AND CHARGING | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Battery Type | Sigma BP-61 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 650 shots Playback - 6.67 hours |
| CONNECTIONS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Interface | HDMI, USB 3.0 | HDMI, USB 3.0 |
|---|---|---|
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 3.0 (9 pin USB Type B) HDMI output (19 pin mini HDMI Type C) Remote control input |
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 |
| FEATURES | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | - | 3 frames per second, 4.5 frames per second |
| 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 |
| OTHERS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Pentax 645Z |
|---|
| Included Accessories | Carrying strap, battery charger, dust cap, body cap, lens cap, USB cable | Carrying strap, battery charger, body cap, eyecup, shoe cap |
|---|---|---|
| Software | - | Drivers & Utilities |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
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