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Equipment
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This area covers equipment in or on our sailboat. We talk and provide
information about what we have and what we'd like to have on our
pilothouse sailboat Mad Dog Voyager. In the Review area, we provide
honest real-life reviews of products and services related to our boat
and boating in general.
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Digital camera know-how / Page 2
Back to the Digital Camera
Knowhow page
A New Resolution - how much is enough?
One of the first questions you need to address is how much
resolution you want. Simply put, resolution determines the size of
the picture the camera can print without sacrificing clarity. Your
resolution requirements are linked to the size of the pictures you
were planning to print, both now and in the future.
How does it work?
Unlike our traditional film cameras that expose the film to light in
order to capture the image, digital cameras use light sensitive
sensors to convert information on the image into digital code.
The more light sensors the camera has, the more detailed the print
will be, and the larger the print can be before distortion.
Digital images are made up of coloured dots called pixels. The
greater the number of individual dots of colour used to produce the
image, the clearer the image. Resolution is about these coloured
dots or pixels.
The key to understanding resolution is in the Mega-pixel capacity of
the camera. The Mega-pixels refers to the number of light sensors
the camera uses to create digital picture. This is one of those
times where more is better, so the greater the Mega-pixels, the
larger the print the camera is capable of producing.
Let's run some numbers to explain this concept:
A 3 Mega-pixel camera is capable of printing images up to 8x10,
while a 4 Mega-pixel camera is capable of printing images up to
11x14. Now, most people do not regularly print themselves 8X10's of
their holiday snaps, let alone 11X14's, but the size of the whole
picture is only part of what you need to consider.
With digital photography, one of the most valuable elements of the
technology is the ability it gives us to edit the images we have.
While you may not choose to hang 11X14 prints on your wall, digital
images allow you to crop, enlarge and capture that single priceless
expression or a close up of a family member who looked good in your
holiday photo.
The greater the Mega-pixels you have, the better the quality of the
edited picture you produce.
If there is a "downside" to high resolution, it is that the digital
code can take up a lot of space on your camera's memory. To
accommodate this, many cameras come equipped with several different
resolution settings. This allows you the option of lowering the
resolution in order to have smaller file size and fit more images
onto the memory card.
Other items to consider
-
Resolution - How much is enough?
-
Close up and personal - choosing the right Zoom
- Memory - How
Does Memory Work
- Demand for Power
- What about the
Accessories?
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More tips for making better photos: (we are still learning)
Digital camera tips -
Buying a digital camera
Digital camera tips
- Why you should save photos as Raw images |
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