Quick Answer: What Do The MM Mean On Lenses?

What does MM stands for in lenses?

MillimetersMillimeters, or “mm” for short, is the standard unit of measurement for the focal length of a lens.

So when you see “mm” following a number or a pair of numbers on a lens, you will know that the number refers to the focal length (single number) or focal range (pair of numbers)..

What does 200mm lens mean?

A focal length is a property of a lens, expressed in millimeters. Wide-angle lenses have small focal lengths, such as 10mm or 20mm. The smaller the number, the wider the lens. Telephoto lenses have large focal length. such as 200mm or 300mm.

What do the numbers mean on lenses?

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 size lens is best for landscape?

What Lenses Do Landscape Photographers Need?14mm f/2.8: A wide-angle, wide-aperture lens for astrophotography.16-35mm f/4: Intended for the most important range of wide angle shots.24-70mm f/4: Meant as a walk-around lens for normal focal lengths.More items…•

Is 1.4 or 1.8 lens better?

The 1.4 is quite a bit sharper than the 1.8 as well. If you shoot them side by side, you would easily be able to tell the difference in sharpness at the same aperture. It’s also nice that have that extra one stop of light. When you are shooting in low light situations, the bigger aperture helps.

Is 200mm lens enough for wildlife?

As an investment, the 70-200mm is a key lens to get hold of as it offers so much in the way of performance and flexibility. Most people will feel that 200mm is a little shot for wildlife, but with practice and development of your stalking skills, especially when paired with an APS-C camera it’s a great place to start.

What is a 60mm lens good for?

The 60mm f/2.8 is relatively fast compared to most consumer zooms (but slow compared to most fixed focal length lenses in the 35 to 85mm range). It is useful in lower light situations and will create a better background blur than most of the consumer zooms (shorter DOF).

What does 70 300mm lens mean?

telephoto lensA 70 to 300mm lens a is a telephoto lens that has a zoom function. … Such a lens can be used for daylight telephoto subjects including wildlife, travel, candid and portrait shots due to its wide range of focal length. These lenses are also lightweight.

What does 20 mm lens 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. As a rough reference, the human eye is said to see about the equivalent of 30-50 mm on a full frame camera (more on that later).

Is 24mm wide enough for landscape?

For landscape purposes, we think of the wide-angle focal length range as 14mm to 35mm on a 35mm camera. … The heart of the wide-angle zone for landscape professionals is more like 14mm to 24mm, but we will address 27mm focal lengths and narrower because that’s where many popular APS-C lenses start.

What does f4 5.6 mean?

Now coming to your question, F 4–5.6 on a lens means that the lens has a variable minimum aperture at different focal lengths. At the lowest focal length,it has a F4 aperture and the F number increases as you zoom in,giving you a minimum F number of 5.6 a.

Is it better to have higher or lower aperture?

A higher aperture (e.g., f/16) means less light is entering the camera. … A lower aperture means more light is entering the camera, which is better for low-light scenarios. Plus, lower apertures create a nice depth of field, making the background blurry. You want to use a low aperture when you want a more dynamic shot.

Which lens do I need for landscape photography?

The ideal combination of lenses for landscape photography is usually a wide-angle lens, standard zoom lens and a telephoto lens. These will usually cover focal lengths all the way from 16mm to 200mm.

Can I use 50mm lens for landscape?

Landscapes usually require very good sharpness, and 50mm prime lenses excel at that. … As with most lenses, the Nifty Fifty sweet spot isn’t wide open, but more in the f/4 to f/5.6 range. And narrower apertures will still yield excellent results. The 50mm prime allows you to capture very sharp images.

How far will a 200mm lens shoot?

You asked specifically about the 200mm lens. This lens is often used for: Wildlife – When you are on safari, or birding, your subject can be as far as 50 to a few hundred yards away, and if you still want to fill the frame of your image with that subject you need a hefty magnification. The 200mm helps accomplish that.