What do Canon lens numbers mean?
mm Numbers Mean Focal Length 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.
What do the specs on a camera lens mean?
The focal length of a lens is determined when the lens is focused at infinity. Lens focal length tells us the angle of view—how much of the scene will be captured—and the magnification—how large individual elements will be. The longer the focal length, the narrower the angle of view and the higher the magnification.
What are the different levels of Canon lenses?
There are four different types of lenses for Canon consumer interchangeable lens cameras, these include RF, EF, EF-S and EF-M. When it comes to choosing your lens, you need to ensure that you are selecting a lens that will work with your camera.
What is the specification of lens?
What are focal lengths?
| Lens size | Lens Type | Usage |
|---|---|---|
| 14mm – 35mm | Wide angle | Landscape/Cityscape |
| 35mm – 85mm | Standard | Portrait, street photography |
| 85mm – 135mm | Short telephoto | Street, travel photography |
| 135mm+ | Medium telephoto | Sports, action, animal photography from a distance |
How do you read lens specs?
- 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).
- The first number or pair of numbers indicates the range of available focal lengths in millimeters.
- The lens speed is listed after the small “f” and the slash.
What does EF lens mean?
Electronic Focus
EF stands for Electronic Focus and is Canon’s longest established lens mount. It also has the widest compatibility and works with a wide range of Canon cameras. These lenses fit the entire EOS DSLR (Digital SLR) range including: • Full-frame sensor DSLRs.
What does F 1.8 mean on a lens?
Aperture sizes are measured by f-stops. A high f-stop like f/22 means that the aperture hole is very small, and a low f-stop like f/1.8 means that the aperture is wide open.
What does is mean on a Canon lens?
IS stands for Image Stabilizer. A lens with IS in its title has some form of image stabilisation built into it. Canon lenses do not offer image stabilisation for images as standard in their bodies – although they are starting to offer digital image stabilisation for video – so this is a desirable feature.
What are canons L lenses?
L – Luxury (L) lenses are Canons’ top-of-the-line optics that are clearly identified by their red ring around the lens barrel. These lenses are found both in EF and RF lens lines. All L lenses will feature an ultrasonic motor, great weather sealing capabilities, and great build quality.
What is the difference between a Canon lens I and II?
The benefit is a quieter lens, but you lose that nice tactile focusing feel for manual focus. The II designation represents the second version of a Canon lens. Whilst they themselves do not use the ‘I’ designation, it’s often used online to distinguish the older model from the newer one.
What are lens abbreviations and how to use them?
Lens abbreviations are the set of initials that you can find after the lens’s focal point and its aperture in its name. These initials are also seen before the name and elsewhere on a canon body. Let us take a quick look at an example of what we will see on a Canon lens. The Canon EF 28-300mm f/3.5-5.6L IS USM.