In depth comparison and review of Pentax Q-S1 + 5-15mm and Sony Alpha7s III ILCE-7SM3. 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 | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | 5-15mm lens | Body only |
| Height | 5.8 cm | 9.69 cm |
| Width | 10.5 cm | 12.89 cm |
| Depth | 3.4 cm | 8.08 cm |
| Weight | 183 g | 699 g |
| Weight Details | - | Camera with battery and memory card: 699 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Black, carmine red | Black, charcoal black | Pure white, cream | - |
| Protection | - | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| Optical Zoom | 3x | - |
| SENSOR | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Sensor Resolution | 12.4 Megapixel | 12.1 Megapixel |
|---|---|---|
| Optical Sensor Type | BSI-CMOS | Exmor R CMOS |
| Total Pixels | 12,760,000 pixels | 12,900,000 pixels |
| Effective Sensor Resolution | 12,400,000 pixels | 12,100,000 pixels |
| Optical Sensor Size | 1/1.7" | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | - | 120 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration) | 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 | Digital level metre |
| PROCESSOR | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Image Processor | - | BIONZ XR |
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| LENS | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Type | Zoom lens - 3x zoom - 5 - 15 mm - f/2.8-4.5 | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 27.5 - 83mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 30 cm | - |
| Max View Angle | 49.5 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 7 groups / 8 elements | - |
| Filter Size | 40.5 mm | - |
| Lens Mounting Type | Pentax Q-mount | Sony E-mount |
| Features | Internal focusing system, ED glass, aspherical lens | - |
| FOCUSING | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 759 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Face Recognition, face-priority AF function |
| VIEWFINDER | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Viewfinder Type | - | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.64" |
| Viewfinder Resolution | - | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | - | 0.9x |
| Optical Viewfinder Dioptric Correction Range | - | -4 to +3 |
| EXPOSURE & WHITE BALANCE | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| ISO (Max) | 12800 | 409600 |
|---|---|---|
| Extended ISO (Max) | - | 409600 |
| Extended ISO (Min) | - | 40 |
| Light Sensitivity | ISO auto (100-12800), ISO 100-12800 | ISO 204800, ISO 409600, ISO 80-102400, ISO 40 |
| 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 | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range 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, quick macro, forest, backlight silhouette, Dynamic Range (HDR) | - |
| Special Effects | Warm, Slim, Antique, fisheye, natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Water Colour, Cross Process, HDR, Colour Extract, Toy camera, High contrast, Colour enhancement, Colour Invert, Shaded, Bleach Bypass, Posterisation, Radiant, Reversal Film, Tone Expansion, Vintage, Colour Fade, Bold Monochrome, Unicolour Bold | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white) | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 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 | 3 steps | 3, 5 or 9 steps |
| X-sync Speed | 1/2000 sec | 1/250sec |
| Exposure Range | EV 1-17 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 460,000 pixels | 1,440,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control |
| FLASH | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 4.9 | - |
| Flash Modes | Rear curtain sync, slow synchro, red-eye reduction, P-TTL | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation | - |
| VIDEOGRAPHY / CAMCORDER | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Digital Video Format | H.264 | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| 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 | - | AAC |
| Microphone Operation Mode | Mono | Stereo |
| MEMORY | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
|---|
| Memory Card Slot | SD card | Dual SD card, dual CFexpress |
|---|---|---|
| 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress |
| Memory Card Included | No | No |
| Image Storage | DNG (RAW) 4000 x 3000 JPEG 4000 x 3000 JPEG 4000 x 2664 JPEG 4000 x 2248 JPEG 3072 x 2304 JPEG 3072 x 2048 JPEG 3072 x 1728 JPEG 1920 x 1440 JPEG 1920 x 1280 JPEG 1920 x 1080 JPEG 2992 x 2992 JPEG 2304 x 2304 JPEG 1440 x 1440 |
JPEG 4240 x 2832 JPEG 2768 x 1848 JPEG 2128 x 1416 JPEG 1376 x 920 JPEG 3776 x 2832 JPEG 2464 x 1848 JPEG 1888 x 1416 JPEG 1232 x 920 JPEG 4240 x 2348 JPEG 2768 x 1550 JPEG 2128 x 1200 JPEG 1376 x 776 JPEG 2832 x 2832 JPEG 1840 x 1840 JPEG 1408 x 1408 JPEG 912 x 912 |
| 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 - 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 HS - 3840 x 2160 p - 120 fps XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 100 fps - 200Mbps XAVC HS - 3840 x 2160 p - 50 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 120 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 100 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S HD - 1920 x 1080 p - 120 fps XAVC S HD - 1920 x 1080 p - 60 fps XAVC S HD - 1920 x 1080 p - 30 fps XAVC S HD - 1920 x 1080 p - 24 fps XAVC S HD - 1920 x 1080 p - 100 fps XAVC S HD - 1920 x 1080 p - 50 fps XAVC S HD - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
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| Battery Type | Pentax D-LI68 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Pentax D-LI68 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Playback - 2.7 hours Photo shooting - 250 shots (50% flash usage) Photo shooting - 260 shots (flash off) |
Photo shooting - 510 shots (EVF on) Photo shooting - 600 shots (LCD Monitor on) Video recording - 80 minutes (EVF on) Video recording - 135 minutes (LCD Monitor on) |
| CONNECTIONS | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi |
| Print Standard | Exif Print support | Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) |
USB (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | - | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| Additional Features | Audio recording, RGB primary colour filter, digital image rotation, histogram display, AE lock, AF lock, in-camera red-eye removal, cropping an image, resizing an image, shadow point display, interval shooting mode, highlight point display, in-camera film editing, face detection, in-camera RAW processing, Scene Auto Selector, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, distortion control, High ISO NR | Built-in speaker, digital image rotation, camera orientation detection, histogram display, shadow point display, interval shooting mode, highlight point display, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Intelligent AUTO (iAUTO), fast motion recording, Lens Distortion Compensation (LDC), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, slow motion recording, peripheral shading correction, anti-flicker, Hybrid Log-Gamma (HLG) recording |
| OTHERS | Pentax Q-S1 + 5-15mm | Sony Alpha7s III ILCE-7SM3 |
|---|
| Included Accessories | Carrying strap, battery charger, dust cap, body cap, lens cap, USB cable, shoe cap | - |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | - | 40 °C |
| Min Operating Temperature | - | 0 °C |
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