1)The camera Obscura effect was achieved because the whole was like a lens and it focused on projecting light onto a window.
2)In the 17th century, came one step closer to make the modern camera by understanding the optics and process of making high quality glass lens.
3) the first parts of the modern camera were a glass lens a dark box and film
4) The modern cameras are the same as the ancestors because the light still passes through the lens, into the camera to expose the film.
5) digital cameras use a electronic sensor to capture photographs
6) the difference between auto is that the camera will control the flash and exposure, program the photographer controls the flash etc.
7) The portrait is used to blur the background of the photo, by using the high f-stop
8) sport mood is used to freeze motion, camera uses the highest shutter speed possible
9) the half press is good because the camera has a better faster camera response time, more control over the focus and encourages better composition.
10) the symbol means disabled flash, there is no flash, use this when there is natural light.
11) this symbol means auto flash, the camera uses this when it thinks the photo needs more light.
12) if there is too much light the picture will be washed out
13) if there is not enough light the picture will be dark.
14) stop represents the relative change in lighting
15) the stop is one
16) the stop is two
17) long shutter is more light
18) a short shutter is less light
19) the aperture controls light before it reaches the film
20) you can adjust the light in the settings.