sophiecentaur said:
http://dictionary.cambridge.org/dictionary/english/horses-for-courses extended by me (and others) to include things / systems etc.Drakkith said:
Good(ish)Frenemy90210 said:
. The image will have no more detail than the diameter of the pinhole. That is probably not as good as a 20MPx camera sensor can record. But, projected on a big screen, the perceived sharpness can be good. (Darkened room needed, of course)Different colors within the image refract at different angles at the lens boundary. Thus different colors will have a different focal lengths for a glass lense. A pinhole does not have this problem. Pinholes never give rainbows unlike a powerful lense.sophiecentaur said:Good(ish)
True. It masks the problem with problems of its own; the image from a pinhole is blurred for a start. It is a really trivial matter to make a lens with an aperture of, say f22 which will produce a sharper image than the equivalent pinhole and in which the Chromatic Aberration is hardly detectable. So in what respect would a pinhole be 'better'? In this game of Top Trumps, the only parameter for which the pinhole scores higher is on Production Cost.Frenemy90210 said:
How "powerful" are you suggesting and how would a pinhole achieve the same result.Frenemy90210 said:
A lens in a camera is used to focus light onto the image sensor or film, creating a clear and sharp image. It also helps to control the amount of light that enters the camera.
A lens can change the focus of an image by bending and refracting light. When the lens is adjusted, the distance between the lens and the image sensor changes, allowing for objects at different distances to come into focus.
An image is considered to be in focus when the light from a specific point on the object being photographed is focused onto a single point on the image sensor or film. This results in a clear and sharp image.
Yes, a pinhole camera can produce images that are in focus. The small opening of the pinhole acts as a lens, creating a focused image on the film or image sensor. However, the image may not be as sharp as with a traditional lens due to the lack of precision in the pinhole's size and shape.
Modern cameras typically have autofocus systems that automatically adjust the focus for you. However, if you are using a manual focus camera, you can tell if your camera is in focus by using the viewfinder or LCD screen to check the sharpness of the image. You can also use the camera's built-in focus assist features, such as focus peaking or magnification, to ensure the image is in focus.