well,they focus like your eyes,when things are far,the lenses moves back and forth to adjust the clearness and blurness.<3vnh
It just works!
Information on how camera lenses work is available from many websites. Among them are Wikipedia, eHow, How Stuff Works, YouTube, Photo Technique, and ePhotozine.
18-55mm focal lenses are very good lenses for the Samsung digital camera. Other good lenses for the Samsung digital camera are the 28-90mm and 35mm focal lenses.
Argus camera lenses can be purchased online through eBay and Camera My Best. Online retailer, Amazon, also carries several lenses for this type of camera.
The company Dyxum has a huge selection of Minolta camera lenses, in all price ranges. They definitely are one of the biggest sellers of camera lenses with an impressive inventory.
No, Kodak camera lenses are only useful on Kodak cameras. However, several Kodak lenses are interchangeable with OTHER Kodak camera lenses. To see which ones, visit http://www.kodak.com.
Field Camera I am not entirely sure what you mean by portable, most cameras are to a certain extent portable. However if you are looking for a camera that you can use different lenses and attachments with you would have to go with a DSLR of some sort. I use an Olympus E410 which uses EOS lenses. It is a perfect camera for my needs but you would have to determine which make and model works for you. Just remember, no camera that gives you the ability to change lens is going to fit into a pocket.
Stores that sell camera lenses for Canon are: the main Canon website, Best Buy, Amazon, or Ebay. These websites sell Canon camera lenses for a cheap price.
Yes, lenses in both.
I believe there is a button to the right of where the lenses are on the camera that you can press to eject the lenses.
yes
The easiest way to determine whether a camera is DSLR (or SLR) or not is by seeing if the lenses are detachable. If you can switch between different camera lenses, the camera is definitely either a DSLR or a SLR.