In depth comparison and review of Sony Alpha SLT-A58 and Pentax 645Z. 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 | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Product Type | Digital camera - SLR with Live View mode, movie recording | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.55 cm | 11.7 cm |
| Width | 12.86 cm | 15.6 cm |
| Depth | 7.77 cm | 12.3 cm |
| Weight | 492 g | 1.47 kg |
| Weight Details | - | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
| Enclosure Colour | Black | - |
| Protection | - | Dust-resistant, water-resistant |
| SENSOR | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Sensor Resolution | 20.1 Megapixel | 51.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor APS HD CMOS | CMOS |
| Total Pixels | 20,400,000 pixels | 52,990,000 pixels |
| Effective Sensor Resolution | 20,100,000 pixels | 51,400,000 pixels |
| Optical Sensor Size | APS-C (23.2 x 15.4 mm) | - |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Dust Reduction (image sensor vibration) |
| Image Stabiliser | Optical (SteadyShot INSIDE) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| PROCESSOR | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Image Processor | BIONZ | - |
|---|
| LENS | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Lens Mounting Type | - | Pentax 645AF |
|---|
| FOCUSING | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 15 | 27 |
| Auto Focus Features | Manual Focus Check Live View | - |
| AE/AF Control | Face-priority AF, Subject-tracking AF | - |
| Face Detection | Face Detection AF/AE/FE/WB, Face Recognition, Smile Shutter | - |
| VIEWFINDER | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Viewfinder Type | Electronic - OLED | Optical - trapezoid prism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 1,440,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 98% |
| Optical Viewfinder Magnification | 0.88x | 0.62x |
| Optical Viewfinder Dioptric Correction Range | -4 to +4 | -3.5 to +2 |
| Field of View Crop Factor | 1.5 | 1.3 |
| Features | Auto eye sensor | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| ISO (Max) | 16000 | 204800 |
|---|---|---|
| Native ISO | - | 100-204800 |
| Light Sensitivity | ISO auto, ISO 100-16000 | 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 | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View | - |
| Special Effects | Black & White, Vivid, sunset, soft focus, landscape, portrait, miniature, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key | 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, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white) | Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | - | Electronic |
| Max Shutter Speed | 1/4000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±3 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 5 steps in 1/3, 1/2, 2/3, 2 or 3 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/160 sec | 1/125sec |
| Exposure Range | EV -2-17 (ISO 100) | EV -1-21 (ISO 200) |
| DISPLAY | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Type | 2.7" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 460,800 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Contrast control, display brightness control | Display brightness control, display colour control |
| FLASH | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing | - |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Digital Video Format | AVCHD, H.264 | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | - |
| MEMORY | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Memory Card Slot | Memory Stick PRO Duo card, SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Image Storage | 5456 x 3632 3872 x 2576 2736 x 1824 |
- |
| Video Capture | AVCHD - 1920 x 1080 - 50 fps - 24Mbps AVCHD - 1920 x 1080 - 50 fps - 17Mbps AVCHD - 1920 x 1080 - 25 fps - 24Mbps AVCHD - 1920 x 1080 - 25 fps - 17Mbps H.264 - 1440 x 1080 - 25 fps - 12Mbps |
- |
| BATTERY AND CHARGING | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Battery Type | Sony NP-FM500H Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FM500H Li-ion rechargeable battery - 1600 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 690 shots (EVF on) Photo shooting - 700 shots (LCD Monitor on) |
Photo shooting - 650 shots Playback - 6.67 hours |
| CONNECTIONS | Sony Alpha SLT-A58 | Pentax 645Z |
|---|
| Interface | HDMI, USB 2.0 | HDMI, USB 3.0 |
|---|---|---|
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | HDMI output (19 pin micro HDMI Type D) USB 2.0 (5 pin Micro-USB Type B) 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 Alpha SLT-A58 | Pentax 645Z |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second | 3 frames per second, 4.5 frames per second |
| Additional Features | RGB primary colour filter, depth-of-field preview button, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, Sweep Panorama technology, shadow point display, highlight point display, Dynamic Range Optimizer, built-in help guide, automatic display brightness adjustment, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), AUTO+ (Advanced AUTO) mode, Superior Auto mode, noise reduction over long exposures, high ISO speed noise reduction, BRAVIA Sync function, Auto Object Framing, Translucent Mirror technology | 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 Alpha SLT-A58 | Pentax 645Z |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, micro-USB cable | Carrying strap, battery charger, body cap, eyecup, shoe cap |
|---|---|---|
| Software | Sony PlayMemories Home, Sony Image Data Converter 4.0 | Drivers & Utilities |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Service & Support | Limited warranty - 1 year | - |
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