How many Megapixels does the Nikon L840 have?
The Nikon Coolpix L840 is equipped with a a 1/2.3-inch sensor that offers an image resolution of 15.9 megapixels (MP), or 15.9 million pixels. With its native aspect ratio of 4:3, the sensor has 4 608 horizontal pixels and 3 456 vertical pixels.
A 35mm film slide or negative contains 5-15 MP of useful detail, so that the Nikon L840 can be considered to be a high-resolution camera that outresolves any 35mm film camera.
A high megapixel count makes it possible to crop any captured image substantially or to make very large prints from the image file. On the downside, large megapixel files are slower to transfer and take up more storage space on the computer harddisk. Also, high-resolution imaging requires sharper, more expensive lenses than low-res picture taking.
How large can I print with 15.9 MP?
The maximum print size of the Nikon L840 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. Few people actually print their images that large on a regular basis, but it is nice to have the option to make very large prints of exceptional shots. Also, as mentioned earlier, a key advantage of high-MP cameras is that it is possible to crop an image ex-post and thereby, for example, change the composition of the capture or zoom in on some detail.
Sensor specs and performance
The table below compares the sensor specs of the Nikon L840 to those of several similar cameras. In addition to sensor class and megapixel count, DXO values are reported as indicators of the sensor's imaging quality (higher is better). Three aspects are covered: color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.
|5.||Leica X Typ 113||APS-C||16.1||4928||3264||1080/30p||23.6||12.8||1491||78|
|Note: DXO values in italics represent estimates based on sensor size and age.|
In the United States, the L840 was initially launched in February 2015 at a price of $299.
Camera to camera comparisons
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|Camera Model||Nikon L840|
|Camera Type||Fixed lens compact camera|
|Camera Lens||22.5-855mm f/3.0-6.5|
|Launch Date||February 2015|
|Launch Price||USD 299|
|Sensor Format||1/2.3" Sensor|
|Sensor Size||6.17 x 4.55 mm|
|Sensor Area||28 mm2|
|Sensor Diagonal||7.7 mm|
|Sensor Resolution||15.9 Megapixels|
|Image Resolution||4 608 x 3 456 pixels|
|Pixel Pitch||1.33 μm|
|Pixel Density||56.73 MP/cm2|
|Moiré control||no AA filter|
|Movie Capability||1080/60i Video|
|ISO Setting||100 - 6 400 ISO|
|Viewfinder Type||No viewfinder|
|Top-Level Screen||no Top Display|
|LCD Framing||Live View|
|LCD Size||3.0 inch|
|LCD Resolution||921k dots|
|LCD Attachment||Tilting screen|
|V-logging Friendliness||No front-flip|
|Touch Input||No touchscreen|
|Focus System||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature|
|Maximum Shutter Speed||1/4000s|
|Continuous Shooting||7.4 shutter flaps/s|
|Silent Shooting||no E-Shutter|
|Time Lapse Photography||no Intervalometer|
|Fill Flash||Built-in Flash|
|Storage Medium||SDXC cards|
|Single or Dual Card Slots||Single card slot|
|UHS card support||no|
|External Flash||no Hotshoe|
|USB Connector||USB 2.0|
|HDMI Port||micro HDMI|
|Wifi Support||Wifi built-in|
|Near-Field Communication||NFC built-in|
|Battery Type||4xAA power pack|
|Battery Life (CIPA)||590 shots per charge|
113 x 78 x 96 mm
(4.4 x 3.1 x 3.8 in)
|Camera Weight||538 g (19.0 oz)|
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