In depth comparison and review of Canon EOS Rebel SL1 + EF-S 18-55mm IS STM and Pentax K-3 Mark III. 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 | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | EF-S 18-55mm IS STM lens | Body only |
| Height | 9.07 cm | 10.35 cm |
| Width | 11.68 cm | 13.45 cm |
| Depth | 6.94 cm | 7.35 cm |
| Weight | 370 g | 735 g |
| Weight Details | - | Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | - | Weatherproof, dust-resistant |
| Optical Zoom | 3x | - |
| Navigation | - | GPS receiver |
| SENSOR | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Sensor Resolution | 18.0 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 18,500,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 18,000,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | APS-C (22.3 x 14.9 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | EOS Integrated Cleaning System, Self Cleaning Sensor Unit | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Image Processor | DIGIC 5 | - |
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| LENS | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 IS STM Canon EF-S | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 29 - 88mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 25 cm | - |
| Max View Angle | 74.3 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 11 groups / 13 elements | - |
| Filter Size | 58 mm | - |
| Lens Mounting Type | Canon EF/EF-S | Pentax K |
| Features | Internal focusing system, aspherical lens, Stepping Motor (STM) technology | - |
| FOCUSING | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Auto Focus | Hybrid | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 9 | 101 |
| AE/AF Control | FlexiZone, Face-priority AF, Subject-tracking AF, Touch Area AF, Predictive AI Servo AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Automatic Face Tracking technology, Live Face detection AF mode | Yes |
| VIEWFINDER | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Viewfinder Type | Optical - fixed eye-level pentamirror | Optical - fixed eye-level pentaprism |
|---|---|---|
| Optical Viewfinder Field Coverage | 95% | 100% |
| Optical Viewfinder Magnification | 0.87x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1 | -4 to +1 |
| Viewfinder Information | Shutter speed, AE lock, AF-in-focus, flash charge completion, red-eye reduction, aperture, high-speed sync indicator, flash compensation on/off, highlight tone priority, ISO sensitivity, FE lock, AF point, maximum burst | - |
| Field of View Crop Factor | 1.6 | - |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| ISO (Max) | 25600 | 1600000 |
|---|---|---|
| Light Sensitivity | ISO 25600, ISO 100-12800, ISO auto (100-6400) | ISO auto, ISO 100-1600000 |
| Exposure Metering | Evaluative, partial (9%), centre-weighted, spot (4%) | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Metering Zones | 63 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | - | Depth of field bracketing, motion bracketing |
| Shooting Programs | Landscape, portrait mode, close-up, night portrait, food, sports mode, candle, kids, handheld night shot, backlight correction HDR | - |
| Special Effects | Neutral, Faithful, monochrome, landscape, portrait | Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, sunset, fluorescent light (white), twilight | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) |
| Shutter Type | - | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 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 | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/200sec | 1/200sec |
| Exposure Range | EV 1-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,040,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Display brightness control | Colour control, contrast control, display brightness control, night vision LCD display |
| FLASH | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Camera Flash | Pop-up flash | - |
|---|---|---|
| Features | AF illuminator, flash +/- compensation | - |
| VIDEOGRAPHY / CAMCORDER | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Digital Video Format | H.264 | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | Wind noise reduction, sensitivity control |
| MEMORY | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Memory Card Slot | SD card | Dual SD card |
|---|---|---|
| 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 |
| Memory Card Included | - | No |
| Image Storage | RAW 5184 x 3456 - 17.9 MB JPEG 5184 x 3456 - 17.9 MB JPEG 3456 x 2304 - 8 MB JPEG 2592 x 1728 - 4.5 MB JPEG 1920 x 1280 - 2.5 MB JPEG 720 x 480 - 0.35 MB |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| 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 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps |
H.264 - 3840 x 2160 p - 30 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 60 fps H.264 - 1920 x 1080 p - 30 fps H.264 - 1920 x 1080 p - 24 fps |
| BATTERY AND CHARGING | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Battery Type | Canon LP-E12 Lithium Ion - manufacturer-specific | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | 1 x Canon LP-E12 Li-ion rechargeable battery - 875 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 480 shots (at 23 °C (LCD Monitor off)) Photo shooting - 420 shots (at 0 °C (LCD Monitor off)) Photo shooting - 160 shots (at 23 °C (Live View mode)) Photo shooting - 150 shots (at 0 °C (Live View mode)) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 Composite video/audio output HDMI output Microphone |
USB 3.2 Gen 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) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
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| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | RGB primary colour filter, auto power save, depth-of-field preview button, histogram display, cropping an image, resizing an image, GPS ready, highlight point display, Dust Delete Data system, built-in help guide, peripheral illumination correction, Chromatic Aberration Compensation (CAC), Eye-Fi Card Ready, Scene Intelligent Auto technology, Image Rating | Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction |
| OTHERS | Canon EOS Rebel SL1 + EF-S 18-55mm IS STM | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, dust cap, body cap, lens cap, shoulder strap, USB cable, eyecup | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | Drivers & Utilities | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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