Detailed comparison and review of Sony Alpha99 II ILCA-99M2 and Pentax 645Z. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.42 cm | 11.7 cm |
| Width | 14.26 cm | 15.6 cm |
| Depth | 7.61 cm | 12.3 cm |
| Weight | 849 g | 1.47 kg |
| Weight Details | Camera with battery and memory card: 849 g | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
| Protection | Dust-resistant, moisture-resistant | Dust-resistant, water-resistant |
| Digital Zoom | 8x | - |
| SENSOR | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Sensor Resolution | 42.4 Megapixel | 51.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 43,600,000 pixels | 52,990,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 51,400,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | - |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Anti-Dust coating, APS-C compatible mode | Dust Reduction (image sensor vibration) |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| PROCESSOR | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Image Processor | BIONZ X | - |
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| LENS | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Lens Mounting Type | Sony A-type | Pentax 645AF |
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| FOCUSING | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Auto Focus | Hybrid | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 27 |
| Auto Focus Features | Predictive Focus Control | - |
| Face Detection | Eye Detect AF | - |
| VIEWFINDER | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Viewfinder Type | Electronic - OLED | Optical - trapezoid prism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 98% |
| Optical Viewfinder Magnification | 0.78x | 0.62x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -3.5 to +2 |
| Field of View Crop Factor | - | 1.3 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| ISO (Max) | 102400 | 204800 |
|---|---|---|
| Native ISO | 100-25600 | 100-204800 |
| Extended ISO (Max) | 102400 | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 | ISO auto (100-204800), ISO 100-248000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | - |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Special Effects | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box | 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 | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white), Colour Filter (G7 - M7), Colour Filter (A7 - B7) | 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 | 1/8000 sec | 1/4000 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 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/125sec |
| Exposure Range | EV 2-17 (ISO 100) | EV -1-21 (ISO 200) |
| DISPLAY | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
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| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 1,228,800 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, XAVC HD | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 1920 x 1080 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM, AAC | - |
| Microphone Operation Mode | Stereo | - |
| MEMORY | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Memory Card Slot | SD card, Memory Stick PRO Duo card / SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, microSD Card, microSDHC Card, Memory Stick Micro Mark2, microSDXC 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 |
| Memory Card Included | No | No |
| Image Storage | 7952 x 5304 5168 x 3448 3984 x 2656 5168 x 3448 3984 x 2656 2592 x 1728 7952 x 4472 5168 x 2912 3984 x 2240 5168 x 2912 3984 x 2240 2592 x 1456 |
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| Video Capture | XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps AVCHD - 1920 x 1080 p - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 p - 24 fps - 24Mbps AVCHD - 1920 x 1080 p - 24 fps - 17Mbps H.264 - 1920 x 1080 p - 60 fps - 28Mbps H.264 - 1920 x 1080 p - 30 fps - 16Mbps H.264 - 1280 x 720 p - 30 fps - 6Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 p - 50 fps - 28Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps AVCHD - 1920 x 1080 p - 25 fps - 24Mbps AVCHD - 1920 x 1080 p - 25 fps - 17Mbps H.264 - 1920 x 1080 p - 50 fps - 28Mbps H.264 - 1920 x 1080 p - 25 fps - 16Mbps H.264 - 1280 x 720 p - 25 fps - 6Mbps |
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| BATTERY AND CHARGING | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Battery Type | Sony NP-FM500H Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 490 shots (LCD Monitor on) Video recording - 2.25 hours (LCD Monitor on) |
Photo shooting - 650 shots Playback - 6.67 hours |
| CONNECTIONS | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB 3.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) |
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 | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 8 frames per second, 12 frames per second, 6 frames per second | 3 frames per second, 4.5 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Exposure compensation, built-in speaker, sharpness control, histogram display, auto exposure control, colour control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, High ISO NR, Smart Teleconverter, Lens Distortion Compensation (LDC), Clear Image Zoom, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, back illuminated sensor, High Dynamic Range (HDR), dual video recording, noise reduction | 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 | Sony Alpha99 II ILCA-99M2 | Pentax 645Z |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap, micro-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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