| When buying a digital camera in today's | | | | function. |
| market one of the factors that you will | | | | |
| undoubtedly be looking at the power of the | | | | Why use Digital Zoom? |
| zoom function. Unfortunately people who are | | | | |
| not so experience in this field are starting | | | | So why would you ever want a digital zoom? |
| to be a little mislead. Manufacturers are | | | | Well there are some occasions when this may |
| claiming a zoom function called digital zoom, | | | | be useful. Firstly for those of you who don't |
| or they are adding up the total zoom of there | | | | like computers or are unsure about using |
| optical zoom and digital zoom for a total | | | | photo editing software then the digital zoom |
| zoom function. This however is a little | | | | function will enable you to get an accurate |
| unfair on the consumer as you will begin to | | | | shot of the specific area you wish to |
| see in this article. | | | | photograph. |
| | | | |
| What is Optical Zoom? | | | | The second reason may be that you don't wish |
| | | | to print the pictures out. If this is the |
| Optical zoom is what I like to call true | | | | case then the digital zoom may not affect |
| zoom. This function of a camera uses the lens | | | | your image quality as much as a it would on a |
| within the camera to draw the image closer. | | | | printed image. One final reason for digital |
| Using the optics of the camera the image is | | | | zoom is that you may be able to see what the |
| bought forward much the same way as a | | | | subject is doing through the camera a little |
| magnifying glass, binoculars and other such | | | | easier while looking at the screen through |
| instruments. When using optical zoom quality | | | | digital zoom. Unfortunately with digital |
| remains the same and the full resolution of | | | | zoom, what you see on the screen is usually a |
| the camera can be used on the zoomed image. | | | | little better quality than the final image. |
| | | | |
| What is Digital Zoom? | | | | How would you compare digital cameras |
| | | | |
| Digital zoom on the other hand is not a true | | | | If you are comparing digital cameras in the |
| form of a zoom function. The image itself | | | | shop or on the internet ready to make a |
| doesn't actually come any closer as the | | | | purchase then in terms of the zoom function |
| optics in the camera stay the same. The way | | | | its only really worth looking at the optical |
| the digital zoom works is much the same way | | | | zoom. Comparing digital zoom is a little bit |
| as it does on your PC at home. The idea | | | | of a waste of time as like I stated before |
| behind digital zoom is that it takes a | | | | you can alter the amount of digital zoom in |
| portion of the image and expand that image to | | | | any major art package after the photo has |
| the full size of the image. What happens here | | | | been taken very easily. |
| is that the section of image that you are | | | | |
| looking at becomes bigger, not closer. The | | | | The only zoom to compare is optical zoom of |
| image does look closer because it has been | | | | one camera to the optical zoom of another. |
| expanded however all that has happened is | | | | You will probably find a price bracket |
| that the image quality has been reduced. | | | | difference between the cameras with the |
| There is nothing a digital camera can do that | | | | different levels of optical zoom.You should |
| you can't do on any standard art package at | | | | also watch out for the manufacturers who |
| home. You may as well take the picture like | | | | advertise the total zoom. Although these |
| you would a normal camera and then alter the | | | | cameras have an optical zoom function its |
| zoom to exactly the way you want it at home. | | | | only part of the total and you should |
| It will be no better or worse doing it this | | | | research the camera more thoroughly to get |
| way that it would using a digital zoom | | | | the optical zoom value. |