Side by side comparison and review of Pentax 645Z and Panasonic Lumix G DC-GH6. 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 | Panasonic Lumix G DC-GH6 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 5.8K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11.7 cm | 10.03 cm |
| Width | 15.6 cm | 13.84 cm |
| Depth | 12.3 cm | 9.96 cm |
| Weight | 1.47 kg | 739 g |
| Weight Details | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
Camera body only: 739 g Camera with battery and memory card: 823 g |
| Protection | Dust-resistant, water-resistant | Splashproof, dust-resistant |
| SENSOR | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Sensor Resolution | 51.4 Megapixel | 25.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Live MOS |
| Total Pixels | 52,990,000 pixels | 26,520,000 pixels |
| Effective Sensor Resolution | 51,400,000 pixels | 25,210,000 pixels |
| Optical Sensor Size | - | Four Thirds (17.3 x 13.0 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration) | - |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| PROCESSOR | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Image Processor | - | Venus Engine |
|---|
| LENS | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Lens Mounting Type | Pentax 645AF | Micro Four Thirds |
|---|
| FOCUSING | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | - |
| Auto Focus Features | - | Focus Peaking function, Depth From Defocus (DFD) technology |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye priority AF, Animal detection AF, Body detection AF |
| Face Detection | - | Eye Detect AF, face-priority AF function, Pet Detection |
| VIEWFINDER | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Viewfinder Type | Optical - trapezoid prism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 3,680,000 pixels (1280 x 960 x 3) |
| Optical Viewfinder Field Coverage | 98% | 100% |
| Optical Viewfinder Magnification | 0.62x | 1.52x |
| Optical Viewfinder Dioptric Correction Range | -3.5 to +2 | -4 to +3 |
| Field of View Crop Factor | 1.3 | 2 |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| ISO (Max) | 204800 | 25600 |
|---|---|---|
| Native ISO | 100-204800 | 100-25600 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto (100-204800), ISO 100-248000 | ISO 50, ISO auto, ISO 100-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, highlight weighted |
| Exposure Metering Zones | - | 1728 |
| Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Focus bracketing, white balance bracketing, aperture bracketing |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film | Sepia, Vivid, natural, monochrome, Flat, landscape, Cross Process, Highlight, Retro, Expressive, High Key, Low Key, Pop Colour, Old Days, Standard, L. Monochrome, L. Monochrome D, L. Classic Neo, L. Monochrome S, Cinelike D2, Cinelike V2, Like709 |
| 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) | Cloudy, tungsten light, Flash, daylight, shade, 2500K - 10000K (100K steps) |
| Shutter Type | Electronic | Mechanical, electronic |
| Max Shutter Speed | 1/4000 sec | 1/32000 sec |
| Min Shutter Speed | 30 sec | 60 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 | - | 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/125sec | 1/250sec |
| Exposure Range | EV -1-21 (ISO 200) | EV 0-18 (ISO 100) |
| DISPLAY | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 1,037,000 pixels | 1,840,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control, display colour control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Digital Video Format | MJPEG, H.264 | MPEG-4, H.264, MOV, ProRes 422, H.265, ProRes 422 HQ |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 5760 x 4320 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | - | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Memory Card Slot | Dual SD card | SD card, CFexpress |
|---|---|---|
| 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, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress |
| Memory Card Included | No | - |
| Image Storage | - | 5776 x 4336 4096 x 3072 2944 x 2208 11552 x 8672 - High Resolution Mode 8192 x 6144 - High Resolution Mode 5776 x 3848 4096 x 2728 2944 x 1960 11552 x 8672 - High Resolution Mode 8192 x 5464 - High Resolution Mode 5776 x 3248 4096 x 2304 2944 x 1656 11552 x 6496 - High Resolution Mode 8192 x 4608 - High Resolution Mode 4336 x 4336 3072 x 3072 2208 x 2208 8672 x 8672 - High Resolution Mode 6144 x 6144 - High Resolution Mode |
| BATTERY AND CHARGING | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Panasonic DMW-BLK22 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Panasonic DMW-BLK22 Li-ion rechargeable battery - 2200 mAh (included) |
| Battery Life | Photo shooting - 650 shots Playback - 6.67 hours |
- |
| CONNECTIONS | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Interface | HDMI, USB 3.0 | HDMI, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Print Standard | - | Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| 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 2 (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone 3.5mm) Remote control (sub-mini phone 2.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Features | - | Vectorscope |
|---|---|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, custom |
| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second | 2 frames per second, 8 frames per second, 5 frames per second, 20 frames per second, 6 frames per second, 7 frames per second, 60 frames per second, 14 frames per second, 75 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 | Built-in speaker, sharpness control, saturation control, contrast control, built-in cooling fan, USB charging, HDR image enhancement technology, hue control, no Optical Low Pass Filter (OLFP), slow motion recording, V-Log L recording, 3D Digital Noise Reduction Technology, 2D Digital Noise Reduction Technology, Hybrid Log-Gamma (HLG) recording, 4:2:2 10-bit internal rercording |
| OTHERS | Pentax 645Z | Panasonic Lumix G DC-GH6 |
|---|
| Included Accessories | Carrying strap, battery charger, body cap, eyecup, shoe cap | Eyepiece cover, battery charger, body cap, shoulder strap, USB cable, cable holder, BNC adapter |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | - | 40 °C |
| Min Operating Temperature | - | -10 °C |
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