Side by side comparison and review of Pentax K-500 + DA L 18-55mm AL and Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS. 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 K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | DA L 18-55mm AL lens | FE 28-70mm OSS lens |
| Height | 9.65 cm | 9.56 cm |
| Width | 12.9 cm | 12.69 cm |
| Depth | 7 cm | 7.37 cm |
| Weight | 590 g | 650 g |
| Weight Details | - | Camera with battery and memory card: 650 g |
| Body Material | Stainless steel, fibre reinforced polycarbonate | - |
| Enclosure Colour | Black | Black |
| Protection | Dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| Optical Zoom | 3x | - |
| SENSOR | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Sensor Resolution | 16.3 Megapixel | 24.2 Megapixel |
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| Optical Sensor Type | CMOS | Exmor R CMOS |
| Total Pixels | 16,500,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 16,300,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.7 x 15.7 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Special Protect (SP) coating | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Image Processor | PRIME M | BIONZ X |
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| LENS | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 DA L AL Pentax KAF - zoom | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 27 - 82.5mm | - |
| Focus Adjustment | Automatic, manual | Automatic, manual |
| Min Focus Distance | 25 cm | 30 cm |
| Max View Angle | 76 degree(s) | 75 degree(s) |
| Zoom Adjustment | Manual | Manual |
| Lens Construction | 8 groups / 11 elements | 8 groups / 9 elements |
| Filter Size | 52 mm | 55 mm |
| Lens Mounting Type | Pentax KAF2 | Sony E-mount |
| Features | Aspherical lens | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof |
| FOCUSING | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 693 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Face-priority AF, Touch Area AF |
| Face Detection | Yes | Face-priority AF function |
| VIEWFINDER | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.92x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +3 |
| Interchangeable Focusing Screens | Yes | - |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| ISO (Max) | 51200 | 204800 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO 102400, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 77 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Flash Exposure Bracketing, white balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset |
| Special Effects | Soft, Slim, Pastel, Colour, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion | 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, Posterisation (B/W) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), fluorescent light (daylight white) | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/6000 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 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3 steps in 1/2 or 1/3 EV steps | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-22 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 921,600 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control |
| FLASH | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 12 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction, P-TTL | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Digital Video Format | H.264 | AVCHD, XAVC S |
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| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
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| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card | 8 GB SDHC | - |
| Memory Card Included | - | No |
| Image Storage | RAW 4928 x 3264 JPEG 4928 x 3264 JPEG 4224 x 2816 JPEG 3456 x 2304 JPEG 2688 x 1792 |
6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps H.264 - 640 x 480 - 24 fps |
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
| BATTERY AND CHARGING | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Battery Type | Pentax D-Li109 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 480 shots (D-LI109 battery) Photo shooting - 1250 shots (lithium AA batteries) Playback - 4.5 hours (D-LI109 battery) Playback - 9.3 hours (lithium AA batteries) |
Photo shooting - 710 shots (LCD Monitor on) Photo shooting - 610 shots (EVF on) Video recording - 2.08 hours (LCD Monitor on) Voice recording - 1.92 hours (EVF on) |
| CONNECTIONS | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Interface | Composite video/audio, USB 2.0 | HDMI, USB 3.1, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | DPOF support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output |
USB 3.1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
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| Continuous Shooting Speed | 3 frames per second, 6 frames per second | 8 frames per second, 10 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | RGB primary colour filter, depth-of-field preview button, histogram display, cropping an image, resizing an image, shadow point display, interval shooting mode, highlight point display, in-camera film editing, Dynamic Range Adjustment, in-camera RAW processing, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lens Distortion Correction, SR (Shake Reduction) | Built-in speaker, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, shadow point display, highlight point display, takes photos while film recording, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
| OTHERS | Pentax K-500 + DA L 18-55mm AL | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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| Included Accessories | Battery charger, dust cap, body cap, lens cap, carrying case, shoulder strap, USB cable, eyecup, shoe cap | Eyepiece cover, lens hood, dust cap, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable |
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| Software | Drivers & Utilities, SILKYPIX Developer Studio 3.0 | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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