Tuesday, March 16, 2010

Tutorial Two: Digital Camera use and application







"A new technology is rarely superior to an old one in every feature"
In relation to digital camera technology I would have to disagree with the statement above. With a digital camera you are able to take as many photos as your card can hold, this could be hundreds depending on the size of your card. This is no extra cost, and you can pick and chose ones to delete or print off. Unlike the old film cameras where you would have to buy a film that would hold approx 25 images and would pay to get them all developed even if the pictures were a little blurred and a finger was blocking the real image.

Another plus to digital cameras is that you can instantly upload images to your home computer to view them or even manipulate the image on such programs as Photoshop. From here you can distribute them via email, Facebook, Bebo and Flikr to friends and family in a matter of minutes.

There is debate on whether the old film cameras take better images than a digital camera, however this all comes down to the quality of your camera.

Digital images can be stored, transferred and manipulated using other communication technology. On sites such as Facebook, Bebo, Twitter and Flikr you can store images in online albums that you can access on the internet in any location around the world. Some cell phones have cameras in them where you can take a decent quality image and send it to another cell phone or computer through bluetooth which costs nothing.

Digital cameras also offer digital and optical zoom. Optical zoom works like a zoom lens on a film camera. The lens changes focal length and magnification as it is zoomed. Image quality stays high within the zoom range. Digital zoom is when the picture is simply cropped and then enlarges that cropped portion.
The mega pixels of your camera can determine the quality of the image when using the digital zoom especially. Pixels are small squares of colour that make up the image.

Along with most things, there follows ethical issues. Digital cameras can cost a lot of money especially if you are wanting one that takes a high quality image. Not everyone can keep up with the forever advancing technologies and therefore don't and can get left behind with the old technologies that slowly get taken off the market, eg VCR players.
Another ethical issue is privacy. By uploading images to internet communication sites, anyone can access these images even after you have deleted them from your album.

Occupational Therapists can use digital imaging for some assessments. For example if a house is needing modifications we can take a picture of that space and send it through to places like Enable NZ to look at for funding.


No comments:

Post a Comment