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The "mm" marking represents the focal length of the lens as measured from the optical center of the lens to the film plane when the lens is focused at infinity. If the lens is a zoom, focal length is expressed as a range such as 28 - 80mm, which means it can be infinitely varied from one length to the other. Most zoom lenses accomplish this in part by varying the position of the optical center. The focal length or zoom range is typically indicated on the lens barrel and/or the area surrounding the front lens element.
Lenses that accept accessory filters are almost never marked with a filter diameter or series size on the lens, though screw-in filters have the diameter indicated in millimeters on the filter rim. Since many lenses are stored with a filter in place, this might easily be mistaken for a part of the lens itself, particularly with screw-in filters, which normally sit flush with the front diameter of the lens barrel.
What else can I help you with?
How to use a 35 mm lens in a 16 mm camera?
You need to buy an adaptor. Make sure you specify exactly the type of lens and exactly the camera you want to attach it to. Don't forget that there will be a large increase in magnification, i.e. your 35mm lens will give more telephoto effect on a 16mm camera. It is unlikely that the automatic functions (aperture, focus) of the lens will be carried into the 16mm camera.
What is the difference between 3.6 mm lens and a 6 mm lens camera?
2.4 mm All kidding aside: the 3.5mm lens has a wider angle than the 6mm one. This means that in a picture, you will see a larger area with the 3.5mm lens, but with the 6mm lens you'd see more (sharper) detail.
Can you use camera lens on a video camera?
Basically most video cameras are fixed lens so you cannot put a camera lens in it unless it is specially built.
If you take out the lens of your camera having the film inside does it damage the film?
Your typical 35 mm SLR is designed to have the lenses changed while the film is in the camera, so it won't hurt a thing. I suppose it's possible that there is a camera out there that doesn't allow the lens to be changed mid-roll, but it's not likely. Usually the shutter is behind the lens, so no light will fall on the film from changing the lens.
What is a camera body?
In a camera with a removable lens system, the camera body is all of the camera except the lens mechanism. Many more-sophisticated cameras employ a system of removable/ exchangeable lenses. The "camera body" and the "lens" are often sold separately. What is called simply the "lens," though, is really a lens tube with multiple lenses and multiple adjustment mechanisms. It will have a standard connection point that mates to the lens mount on the camera body.
What does the "mm" in a camera lens mean?
The "mm" in a camera lens refers to the focal length of the lens, which determines the angle of view and magnification of the image.
What does a higher mm lens mean in terms of camera photography?
A higher mm lens in camera photography means that the lens has a longer focal length, which allows you to zoom in closer to distant subjects and capture more detail.
What does "mm" mean on a camera lens?
"mm" on a camera lens refers to the focal length of the lens, measured in millimeters. It indicates how much the lens can zoom in or out, with larger numbers representing a longer zoom or telephoto lens, and smaller numbers indicating a wider angle or wide-angle lens.
What does 75 -300 mm mean in relation to camera lenses?
This is a Zoom lens with a focal length of between 75 and 300 mm.
Which camera lens is good 50 mm or 80 mm?
Both are good for different purposes.
12x lens equals how many mm?
In standard film camera reference which is commonly used, a 50 mm lens equals a neutral value, or 1x magnification, so a 12x lens would be 600 mm.
How to use a 35 mm lens in a 16 mm camera?
You need to buy an adaptor. Make sure you specify exactly the type of lens and exactly the camera you want to attach it to. Don't forget that there will be a large increase in magnification, i.e. your 35mm lens will give more telephoto effect on a 16mm camera. It is unlikely that the automatic functions (aperture, focus) of the lens will be carried into the 16mm camera.
Why is a 50 mm lens 0n a 35 mm film camera not the same as a 50mm lens on a digital camera?
most sensors on digitals are much smaller than 35mm film frames, so the lens of 50mm acts lika a telephoto one.
What is the typical diameter of a camera lens?
This really depends on the type of camera you are looking at. If you are looking at a professional camera, chances are the lens will be much bigger than an average family camera. However, most average-sized cameras have around 50 mm lens.
200mm camera lens work?
I've used a 200 mm lens on a 35 mm camera for track events and football. It is a little long for portrait work, but may work OK for random candid people shots.
What is the difference between 3.6 mm lens and a 6 mm lens camera?
2.4 mm All kidding aside: the 3.5mm lens has a wider angle than the 6mm one. This means that in a picture, you will see a larger area with the 3.5mm lens, but with the 6mm lens you'd see more (sharper) detail.
What does mean the mm e.g. 18 -200 mm camera or 55-200 mm?
That number is the focal length of the camera's lens ... which focuses light from the scene to form an image on the 'film' or CCD inside the camera. The longer the focal length of the lens, the larger (nearer) the objects appear to be in the picture. (One radian of angle as seen by the lens ===> One focal length on the film.) On the cameras described in the question, the focal length is given as a range ... "from 18 to 200 mm", and "from 55 to 200 mm". Each of these is a "zoom" lens, whose focal length can be changed over the range, enabling the user to cause objects in the picture to appear somewhat nearer or farther away.
