4.47 in 3.08 in  | 4.88 in 2.93 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon Coolpix L840 |  Nikon D3100 | |
|---|---|---|
| Sensor type | CMOS | CMOS |
| Sensor size | 0.24 in | 0.91 in |
| Sensor photo detectors | 17.0 Mpx | 15.0 Mpx |
| Effective pixels | 16.0 Mpx | 14.0 Mpx |
| Image ratio w:h | 4:3 | 3:2 |
| Max resolution | 4608 x 3456 px | 4608 x 3072 px |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| ISO |
|
|
| ISO minimum | 125 | 100 |
| ISO maximum | 6400 | 12800 |
| Maximum image resolution | 4608 x 3456 px | 4608 x 3072 px |
| White balance presets | 5 | 12 |
| White balance modes |
|
|
| Custom white balance | yes | yes |
| Supported image file formats | JPG |
|
| Image stabilizer | yes | no |
| Image stabilization type | Optical | No |
| Supported aspect ratios |
| 16:9 |
| Uncompressed format | No | RAW |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Optical zoom | 38.0 x | 3.0 x |
| Minimum aperture | 3 | 3.5 |
| Maximum aperture | 3 | 3.5 |
| Focus adjustment | Auto | Auto |
| Brightness adjustment | yes | yes |
| Autofocus |
| Single Auto Focus |
| Auto Focus (AF) lock | yes | yes |
| Auto Focus (AF) points selection |
|
|
| Number of focus points | 99 | 11 |
| Image stabiliser | Optical | Lens based only |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Screen size | 3.0 in | 3.0 in |
| Articulated LCD | yes | no |
| Screen technology | LCD TFT | LCD |
| Screen dots | 921000 | 230000 |
| Touch screen | no | no |
| Live view | yes | yes |
| Viewfinder | None | Optical |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Camera shutter type |
|
|
| Minimum shutter speed | 4.0 s | 30.0 s |
| Maximum shutter speed | 1.0 s | 1.0 s |
| Shutter priority | no | yes |
| Aperture priority | no | yes |
| Manual exposure mode | no | yes |
| Exposure compensation plus | 2 | 5 |
| Exposure compensation minus | -2 | -5 |
| Expousure compensation steps | 1/3 | 1/3 |
| Self-timer delay |
| 10.0 s |
| Histogram | yes | yes |
| WB Bracketing | No | No |
| Subject / scene modes | yes | yes |
| Built-in flash | yes | yes |
| Flash range | 6.9 | 12 |
| Flash modes | Auto |
|
| External flash | no | yes |
| Continuous drive | 7.4 fps | 3.0 fps |
| Scene modes | Fireworks |
|
| Self-timer | yes | yes |
| Metering modes |
|
|
| Manual settings | yes | yes |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
| Video recording | yes | yes |
| Recording resolutions |
| 1280.0 px |
| HD type | Full HD | Full HD |
| Supported video file formats |
|
|
| Analog signal format system |
|
|
| Max resolution (highest frame rate) | 640 x 480 | 1280 x 720 |
| Max frame rate (highest resolution) | 50.0 fps | 24.0 fps |
| Max frame rate (regardless of res.) | 120.0 fps | 30.0 fps |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Built-in microphone | yes | no |
| Microphone type | Stereo | Mono |
| Audio system | Stereo | Mono |
| Supported audio file formats | LPCM | PCM |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Body type | Bridge | SLR |
| Colour of product |
|
|
| Environmentally sealed | no | no |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Weight | 18.98 oz | 16.05 oz |
| Width | 4.47 in | 4.88 in |
| Height | 3.08 in | 2.93 in |
| Depth | 3.78 in | 3.78 in |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Internal storage | 20.0 mB | 4098.0 mB |
| Compatible memory cards |
|
|
| Memory slots | 1 | 1 |
| Storage types |
|
|
| Camera file system |
|
|
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| Power source type | Battery |
|
| Battery life (CIPA) | 590 | 550 |
| Battery technology | Alkaline | Lithium-Ion |
| Number of batteries supported | 4 | 1 |
| AC adapter included | yes | yes |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| HDMI | yes | yes |
| HDMI connector type | Micro | Mini |
| USB version | 2.0 | 2.0 |
| Microphone port | yes | yes |
| Wireless | Built-In | Eye-Fi Connected |
| Remote control | yes | yes |
| PictBridge | yes | yes |
| NFC | yes | no |
| Wireless network (Wi-Fi) | yes | no |
| Bluetooth | no | no |
| Nikon Coolpix L840 | Nikon D3100 | |
|---|---|---|
| GPS | no | yes |
| Orientation sensor | yes | yes |
| Energy Star certified | no | no |
| Languages support | Multi |
|
| Tripod mounting supported | yes | yes |
| On Screen Display (OSD) languages |
|
|
| Image editing modes | Crop |
|
| Pros | ||
|---|---|---|
| Cons |
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