In depth comparison and review of Nikon Coolpix D3100 + AF-S VR DX 18-55mm and Pentax Q7. 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 | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 1080p - mirrorless system |
|---|---|---|
| Lens Included | AF-S VR DX 18-55mm lens | Body only |
| Height | 9.6 cm | 5.8 cm |
| Width | 12.4 cm | 10.2 cm |
| Depth | 7.45 cm | 3.35 cm |
| Weight | 455 g | 180 g |
| Body Material | - | Reinforced polycarbonate plastic |
| Enclosure Colour | Black | Black | Silver | Yellow |
| Optical Zoom | 3x | - |
| SENSOR | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Sensor Resolution | 14.2 Megapixel | 12.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | BSI-CMOS |
| Total Pixels | 14,800,000 pixels | 12,760,000 pixels |
| Effective Sensor Resolution | 14,200,000 pixels | 12,400,000 pixels |
| Optical Sensor Size | APS-C (23.1 x 15.4 mm) | 1/1.7" |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Air flow control system, Self Cleaning Sensor Unit | Dust Reduction (image sensor vibration) |
| Image Stabiliser | Optical | Optical (image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Image Processor | EXPEED 2 | - |
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| LENS | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 G Nikon AF-S DX VR | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 27 - 82.5mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 28 cm | - |
| Max View Angle | 76 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 8 groups / 11 elements | - |
| Filter Size | 52 mm | - |
| Lens Mounting Type | Nikon F | Pentax Q-mount |
| Features | Silent Wave Motor (SWM), aspherical lens, VR (Vibration Reduction) | - |
| FOCUSING | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 25 |
| Auto Focus Features | - | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF |
| Face Detection | Face-priority AF function | Yes |
| VIEWFINDER | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Viewfinder Type | Optical - eye-level penta-dach mirror | - |
|---|---|---|
| Optical Viewfinder Field Coverage | 95% | - |
| Optical Viewfinder Magnification | 0.8x | - |
| Optical Viewfinder Dioptric Correction Range | -1.7 to +0.5 | - |
| Field of View Crop Factor | 1.5 | - |
| EXPOSURE & WHITE BALANCE | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| ISO (Max) | 12800 | 12800 |
|---|---|---|
| Native ISO | - | 100-12800 |
| Light Sensitivity | ISO 6400, ISO auto, ISO 100-3200, ISO 12800 | ISO auto (100-12800), ISO 100-12800 |
| Exposure Metering | Centre-weighted, spot, 3D colour matrix II | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 420 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, i-TTL program flash | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Shooting Programs | Landscape, portrait mode, close-up, night portrait, Children, sports mode | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, multiple exposure, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, quick macro, backlight silhouette, Dynamic Range (HDR) |
| Special Effects | Neutral, Vivid, monochrome, landscape, portrait | Slim, Colour, fisheye, natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Water Colour, Cross Process, HDR, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade | 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) |
| Shutter Type | - | Electronic |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±3 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | - | 3 steps |
| X-sync Speed | 1/200sec | 1/2000 sec |
| Exposure Range | EV 0-20 (ISO 100) | EV 1-17 (ISO 100) |
| DISPLAY | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 230,000 pixels | 460,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Display brightness control | Display brightness control, display colour control |
| FLASH | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 12 | 4.9 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | AF illuminator, flash +/- compensation |
| VIDEOGRAPHY / CAMCORDER | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Digital Video Format | MOV | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, NEF (RAW) | JPEG, DNG (RAW) + JPEG, DNG (RAW) |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Mono | Mono |
| MEMORY | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Memory Card Slot | SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card |
| Image Storage | 4608 x 3072 3456 x 2304 2304 x 1536 |
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 |
| Video Capture | MOV - 1920 x 1080 - 24 fps MOV - 1280 x 720 - 30 fps MOV - 1280 x 720 - 25 fps MOV - 1280 x 720 - 24 fps MOV - 640 x 424 - 24 fps |
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 |
| BATTERY AND CHARGING | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Battery Type | Nikon EN-EL14 Lithium Ion | Pentax D-LI68 Lithium Ion |
|---|---|---|
| Details | Nikon EN-EL14 Li-ion rechargeable battery (included) | Pentax D-LI68 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 550 shots | Photo shooting - 240 shots Photo shooting - 250 shots (50% flash usage) Photo shooting - 260 shots (flash off) Playback - 2.7 hours |
| CONNECTIONS | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Interface | Composite video/audio, HDMI, USB 2.0 | Composite video/audio, HDMI, USB 2.0 |
|---|---|---|
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output Composite video/audio output |
USB 2.0 Composite video/audio output HDMI output |
| FEATURES | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
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| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second | 1.5 frames per second, 5 frames per second |
| Additional Features | Date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, in-camera red-eye removal, cropping an image, GPS ready, LCD live view mode, highlight point display, Active D-Lighting technology, face detection, built-in help guide, Scene Recognition System (SRS), in-camera RAW processing, text input to Exif header | 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 |
| OTHERS | Nikon Coolpix D3100 + AF-S VR DX 18-55mm | Pentax Q7 |
|---|
| Included Accessories | Eyepiece cover, battery charger, dust cap, body cap, lens cap, neck strap, carrying case, eyecup, shoe cap | Carrying strap, battery charger, body cap, USB cable, shoe cap |
|---|---|---|
| Software | Nikon ViewNX 2, Adobe Photoshop Lightroom 3 | Drivers & Utilities, SILKYPIX Developer Studio 3.0 LE |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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