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The lens redirects light onto the film until the camera thinks it's in focus.

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Q: How do cameras focus images onto film?
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Related questions

How Did The Camera Used To Work?

Film cameras used to focus light on a light sensitive surface called film which was then put in a solution called developer that caused the image to appear. If the picture was to be printed the image on the film was negative, meaning the dark areas were light and the light areas dark. If it was to be projected onto a screen the images were positive -- like they appear to your eye. Digital cameras focus the light on light sensitive electronic sensors, then the computer in the camera interprets the information from these sensors and converts it into colors. Otherwise film cameras and digital cameras work about the same way.


What is the purpose of the lenses in a camera?

Focus light onto the film


What are examples of electronic cameras?

Those that use electronics to capture photographic images onto either film or as a digital image. The opposite of an electronic camera would be an all mechanical type that requires the user to advance the film and manually set the distance and aperture.


Was there cameras in 1599?

The correct spelling is "Were". Yes, there was; though they weren't as modern as they are now.


How exactly do color cameras work?

Color cameras work by capturing the image through the lens and imparting an image onto film. The variety of different color cameras is great and a great source to find out how they work is: theimagingsource.com/downloads/howcolcamswp.en_US.


How much does it cost to process a roll of film with Walmart one hour photo?

Walmart Photo do a huge range of prints, enlargements and personalised gifts. Now the world of digital printing not a lot of people still use film cameras. Walmart's prices are quite expensive compared to most high street photo shops.$2.50 to put your images onto a CD and $0.09 for each digital print. In store you can purchase disposable film cameras, but not all stores will process them.


What is the name of photographic material wound onto a spool invented by George Eastman and first sold for use in Kodak cameras in 1889?

FILM!


Is the digital camera screen bigger than a film-based camera?

Traditional film cameras do not have a screen since the image is recorded onto celluloid and can only be viewed once it has been developed - this process is largely absent of electricity and is a blend of physics and chemistry, unlike modern digital cameras. Digital cameras store the image digitally and almost instantly, meaning you can view the image on the screen. The aspect ratio on digital cameras can vary, so technically the shape and size of the image can vary between 35mm fill cameras and digital. This is particularly noticable when using a lens taking from a 35mm camera and using it on a digital camera. Film cameras provide a far better quality of image that digital photography cannot (realistically) emulate. However, digital is preferred because the ease of producing large images is fast and requires little expereince - unlike film based photography.


Why don't cameras take round pictures?

Some might do - depends on what camera or settings they have. There are some that can. While the lens produces a circular image, it was easier to fit square or rectangular images onto a strip of film. A 35mm lens used on a large format (5x4 inch or 8x10 inch) sheet film will indeed produce a circular image in the middle of the plate. It's a criminal waste of film, though.


Why do cameras need lenses?

because It is more than just because. The one taking the photo need make sure they have just the shot the want. It bring it in to focus. Pulling it closer, a wider angle. Hope that helps you a little.


Virtual images can be projected onto a screen if you turn the screen slightly Virtual images can be projected onto a screen if you turn the screen slightly Virtual images can be projected onto a scree?

False haha apex :)


Real images can be projected onto a screen?

Yes. Real images can be projected onto a screen.