In digital Photography, there are a number of features that are thrown into consumer-grade cameras as "selling points." These selling points add no value to the camera, but appear impressive. One of these features is digital zoom.
Some cameras may boast an 800X digital zoom. However, the image at 800X is so grainy and indecipherable that you won't be able to make out what it is anyway. It's important to remember that the only important zoom is optical zoom. If you do end up using digital zoom, make sure to only go barely beyond the range of the optical zoom.
That depends on what you are using it for. For small family shots, about 5.0x zoom is good. If you are going into nature photography or something you will first of all not want digital, but manual zoom, and you will also want a much much stronger zoom.
The size of your megapixel isnt a major requirement for a professional photography business, unless your making huge format prints. This is a myth, your going to more focus on cameras with wide angle lenses. Also look for cameras that have a large optical zoom, digital zoom is garbage so dont go by that.
Optical zoom is way better than digital zoom as digital only expands the picture. Optical zoom actually zooms in.
Optical Zoom is the true zoom, Digital is basically the zoom in of what the highest optical zoom is. Therefore Optical Zoom is the better zoom, and gives a much clearer picture.
The Cannon Powershot has both and optical and digital zoom features. Optical zoom is far superior to digital zoom.
zoom is to enlarge the image and capture in a digital camera
A optical zoom use the lenses to focus in on a subject, pretty much the same way binoculars work. Digital zoom magnifies the subject by enlarging in in the pic thru a digital process, this is not a true type of zoom.
Digital zoom uses software to zoom in further than regular optical zoom, which uses lenses to magnify the picture.
You can use a digital camera to focus the picture , regular cameras dont have it, it can record videos, edit, and an easier way to zoom into a scene.
There is no limit for the zoom of a camera, but the The 26X Longest Zoom Digital Camera is one of the longest zoom cameras on the market. But you can always buy a longer zoom for a camera that does not have one .
3x optical zoom and 5x digital zoom are standard features on most mid-range pocket digital cameras. A better optical zoom capability would be 6x or 8x optical. The digital zoom capability can be ignored, since all it does is crop and expand your image, necessarily reducing its resolution. Digital zoom may be handy for giving you a close-up view in the viewfinder or on the viewscreen, but the photographer must remember that picture quality shot with digital zoom may be compromised. POOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOP U:P
Some newer models have 18x zoom, but 10x is typical for most extended zoom digital cameras.