Types of cameras
Compact
High zoom
DSLR
Compact DSLR
High zoom
DSLR
Compact DSLR
Camera Parts
Cameras Work much like our eyes:
- Light enters in through a lens
- which adjusts to the lighting conditions(aperture/pupil)
- through the shutter(constantly going in our eyes, more like a camcorder has fps)
- and finally is focused onto the recording media(sensor/retina)
Megapixels
When digital cameras first were being sold, the megapixels(size of the photo) available were small. Thus, the higher the megapixels the camera has the better the photo will be. This, however, is not completely true anymore. There are now more pixels than what can be printed or viewed on a computer, and are other more important factors to consider.
A general rule for choosing how many MP(megapixles) you need for a good print is to take the numbers from your print(does not apply to panoramic)
Advantages of high megapixles:
Disadvantages:
A general rule for choosing how many MP(megapixles) you need for a good print is to take the numbers from your print(does not apply to panoramic)
- 3x5 = 3 to 5 MP
- 4x6 = 4 to 6 MP
- 8x10 = 8 to 10 MP
Advantages of high megapixles:
- Generally will get a clearer picture
- Have the ability to crop and use digital zoom without to much loss of quality
- Print larger pictures
- Can be resized to smaller resolution
Disadvantages:
- Larger pictures take up more memory
- Will take longer to transfer, upload, and email
Type of Zoom and Image Stabilization
There are two types of zoom:
Unlike optical zoom, in digital zoom there is loss of pixels. However, if it is more important to have a closer picture than it is to have more pixels, or if you have very high MP, digital zoom is acceptable.
- Optical - When the Lens moves to enlarge what the sensor is processing.
- Digital - The Sensor is only showing part of the picture but has cropped to simulate zoom.
Unlike optical zoom, in digital zoom there is loss of pixels. However, if it is more important to have a closer picture than it is to have more pixels, or if you have very high MP, digital zoom is acceptable.
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