Selasa, 17 September 2013

What is the meaning of { CMOS } in CAMCORDERS?

Q. Just planning to have a CAMCORDER [Panasonic-HDC-TM 700] or a [CANON VIXIA-HP31]

Hope somebody could tell me what is [ CMOS ] means?

A. ...and this one....


How do I focus on both the forground & background with a Canon Hv40 camcorder?
Q. I'm trying to film something where I'm a metre away from the camera and there's a sign infront of the camera, so half the screen is me (backround) & half the scene is the sign (forground) but I can only get my new HD camcorder to focus on only one of those things, making the other a blur. It worked perfectly well with my old camcorder (Panasonic, not HD).

A. What's happening here is that you've got a narrow depth of field, or a narrow range of distances in which things will be in focus. To widen the depth of field, you want to be able to close up your iris/aperture as much as possible. As your aperture closes, the depth of field gets wider.

You can flip the auto/program switch to "P" to allow you to go into the menus and use "Av" or Aperture Priority mode. Then, set your aperture (the "F" number) as high as you can with the light available. Higher "F" numbers mean smaller apertures - I'm not good at explaining the science behind it, but as you close the aperture, your depth of field gets wider, and a wider range of things will be in focus.

That said, in order to use higher "F" numbers, you'll need more light, as less light is hitting the sensor. Therefore, wide depth of field is most possible on bright sunny days outdoors, or in well-lit indoor situations.

After you do that, you can also refine focus by using the camera's manual focus mode.





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