Are you having megapixel envy each time you walk by the camera section of your popular electronics store? So do I. But, do we of course need more and more pixels? The acknowledge depends on what we intend to do with the images.
First, a quick definition of megapixel:
Megapixel is a technical term for "million pixels", where a single pixel is the smallest unit of color that a camera's sensor is able to capture. The more pixels in the sensor, the sharper the image a camera can reproduce. Note that some camera specifications abbreviate megapixel as "Mp".
Camera Store
Determine Image Use
Logitech Alert 700e Outdoor Add-On Security Camera with Night Vision Best
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Logitech Alert 700e Outdoor Add-On Security Camera with Night Vision Feature
- Please note: Logitech Alert Digital Security Systems are not backwards compatible with Logitech WiLife Digital Security Systems
- HD-quality video with night vision and 130 Degrees wide-angle lens
- Free, remote viewing of live video on your computer or smart phone (iPhone, Android or BlackBerry)
- Motion-triggered recording and alerts
- Windows-based PC needed for set-up and control
Logitech Alert 700e Outdoor Add-On Security Camera with Night Vision Overview
Logitech alert 700e outdoor add-on camera expands the coverage of your existing logitech alert system to additional locations.
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*** Product Information and Prices Stored: Mar 10, 2012 17:02:34
Now then, how many of those pixels do we need? The first task in answering this ask is to conclude how we intend to use the images. We are generally implicated about uses that wish a high resolution digital photo. Putting a photo on the computer's screen requires a low resolution image, so any camera is sufficient, if this is our only intention.
The most coarse need for high resolution photos is to print or institute pictures. Let us then focus on putting pictures on paper to acknowledge our megapixel question.
Determine Largest Print Size
The second task is to conclude the largest print size we would like of our photo. Sure, it would look cool to have poster-size images all over the house of our sweetheart, but are we of course going to go through that expense? I assume for most of us, poster size prints fall into the "rarely or never" category.
Having ruled out extreme sizes, we have the three most coarse photo sizes to consider. According to online photo labs, the following minimum resolutions are enough to yield high potential prints:
- 4 x 6": 640 x 480 pixels (0.3 megapixels)
- 5 x 7": 1024 x 768 pixels (0.8 megapixels)
- 8 x 10": 1536 x 1024 pixels (1.6 megapixels)
I know from personal caress that my 3 megapixel camera is as low as I want to go for an 8 x 10" print; any less would start showing pixilation at close examination. Based on this experience, I advise doubling the above megapixel recommendations when buying a camera.
This rehearsal has taught us that if we only want 4 x 6" prints, then 0.6 megapixels are sufficient. Most digital cameras start at 2 megapixels, which is enough to yield potential prints up to 5 x 7".
Focus On Other Camera Features
Now that we know the minimum megapixel requirements for our needs, we are free to focus on other prominent features of the camera such as lens quality, color reproduction, visual zoom, body size, etc.
How Many Megapixels Do We Need?I NEED THAT Tube. Duration : 3.90 Mins.I need that, but I don't need that! (Inspired by my friend, Jamie).
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