What do numbers on lenses mean?
Focal length is expressed in mm and a higher number means a bigger zoom, while a lower number mean the lens can be used for wider shots. A number lower than 30-50 mm will take in a bigger view than you naturally see, while higher numbers mean focus will be on a smaller aspect of your view.
What does 12mm lens mean?
So on a Four Thirds sized sensor, there is a 2x crop factor. So a 12mm lens will give you the equivalent field of view of a 24mm lens on a full frame 35mm camera. To put it simply, it stands for the distance between the back element of the lens and the camera’s sensor or film plane.
What do the numbers mean on a zoom lens?
The first number or pair of numbers indicates the range of available focal lengths in millimeters. From this you can tell what angles of view the particular lens can handle. Lower numbers mean a wider angle. So an ordinary, basic 18-55 DSLR lens can “zoom” from medium-wide views out to the beginning of telephoto range.
What does a 24 lens mean?
A single number, such as 24mm, represents what’s known as a prime or fixed lens, meaning that it’s not capable of zooming. Such a lens is designed and optimized for only a single focal length—in this case, 24mm. In some cases, your 200mm lens might behave like a 300mm lens.
How do you read lens specs?
Camera Lens Characteristics The focal length range of a lens is expressed by a number, and that number tells you how much of the scene your camera will be able to capture. Smaller numbers have a wider angle of view and show more of the scene; larger numbers have a narrower angle of view and show less.
What does 1.4 mean on a lens?
A lens that has a maximum aperture of f/1.4 or f/1.8 is considered to be a “fast” lens, because it can pass through more light than, for example, a lens with a “slow” maximum aperture of f/4.0. That’s why lenses with large apertures usually cost more.
What do the numbers on a lens mean?
The second number is the focal length. A lens stamped 1.8 / 55 means that the focal length is a fixed 55mm. Prime lenses have only one focal length, while zoom lenses have a range of focal lengths. Smaller numbers are wide-angle lenses.
What does the number 13 mean in astrology?
Number 13 – What Does It Mean? The number 13 represents the combined energy of the numbers 1 and 3. It is a number with very a strong symbolism and has great power. Number 1 has a vibration of new ideas, new beginnings, progress and individuality, while the number 3 symbolizes passion, motivation, optimism, self –expression, inspiration.
What does “everything” mean on a lens?
Everything can also be expressed as “50 mm 1:1.4” or “50 mm F1.4.” But in all cases this is nothing more than a way of writing the numbers; their meaning is always the same. The first number gives the range of focal lengths in millimeters, while the second gives the lens speed (for the 1.4/50 designation it’s vice-versa).
What does the “mm” mean on a lens?
Your camera lens may or may not have the “mm” printed on it. You will see a number, a slash, and another number (# / #). The second number is the focal length. A lens stamped 1.8 / 55 means that the focal length is a fixed 55mm. Prime lenses have only one focal length, while zoom lenses have a range of focal lengths.