The Parameters of the Camera lens

The lens is an essential component of the camera that must be purchased separately. However, there are a lot of parameters involved. As a result, consumers ought to have been aware of the lens settings, which would be displayed farther down.

Hyperfocal Distance


This parameter is incredibly rare to be missing in popular zoom lenses. If you have a fix tube, you will notice a row that looks like a symmetrical number, with a "I" in the middle of it (it is positioned below the number of orange hues), as shown in the following picture:

Các thông số trên ống kính được đọc sao cho đúng? 1

  • Parameters of the lens

The following significance is attached to the sequence of the lines as depicted in the preceding image:

  • Bringing space into focus ( White row: Foot unit, Orange row under: Meter unit)

  • Extreme focusing space

  • Rotation of the aperture

Các thông số trên ống kính được đọc sao cho đúng? 2

Diameter lens/ Sizes of the filter glass

The Φ symbol is followed by a number that represents the front diameter of the lens and is also the right size filter to use with the lens. The diameter lets you know whether the lens is right for the device or not, so you don't buy something that doesn't work.

Len’s focal length

There are two kinds of focal records on different lenses, which you should pay close attention to

  • If your device has a zoom tube, you can zoom in and out by turning the lens (actually changing the focal length). This roundabout also shows what focal length you're using. In the picture below, for example, you can see that the focal length is being changed at 100mm on a 70-200mm lens.

  •  Using a fixed tube means that your lens won't have a focal length. This lens will only show one focal length at a time, like 85mm in the picture below.

Các thông số trên ống kính được đọc sao cho đúng? 4

Maximum Aperture

The maximum aperture is the most the lens' shutter can be opened. The aperture is indicated by the value of F: the lower the value of f, the larger the maximum aperture. Consequently, this is one of the essential aspects you must be aware of. The position of the aperture is illustrated as follows:

Các thông số trên ống kính được đọc sao cho đúng? 5

Maximum Aperture

On the left, you can see that the aperture is written as "1: 1.8." This means that F1.8 is the largest aperture that can be used with this same focal length. Regarding the Tamron 17-35mm lens on the right, the aperture is indicated as "1: 2.8-4." This means that when you change the focal length (by turning the zoom), the aperture will go from F2.8 to F4. At 17mm, the widest point, the lens can be opened all the way to F2.8, but at 35mm, the lens can only be opened to F4.

Current trendy types of lenses

1. Wide-angle camera lens

Are you a travel enthusiast who enjoys exploring such breathtaking scenery? You're blown away by how beautiful and grand nature is, but it's not any less poetic. Unfortunately, your cell phone can't fit that much space into the frame. You will need a camera that has a wide lens at this time. The best thing for you to do is to buy Canon products with a wide-angle lens,... All of the devices were made by the best royal kingdoms in the field of digital electronics right now.

Most of the time, its wide-angle lenses are less than 20mm. But as technology keeps getting better, some lenses now only have an 8mm focal length. This type of lens is good for landscape photography. If you use this kind of camera to take group photos, you can catch the moment when everyone is together, and it will be the best photo of you all.

2. Standard zoom lens

Standard zoom lenses for cameras typically have a focal length range of 28 to 90 millimeters. This type of lens is ideal for individuals who are new to photography.

Use this type of lens if you want to learn how to operate a camera like an expert. Because the focal length of the normal zoom lens is variable, it may be used for both close-up and wide-angle photos. This device is quite useful for beginners.

Standard Zoom Camera lens

3. Tele lens

Have you ever wondered why Lord of the Green Forest contains so many shots of creatures such as lions, tigers, leopards, etc.? They are constantly precise and distinct in every aspect and action. Do photographers have to endanger their lives to obtain these stunning images? This sort of telephoto tube has a focal length between 100mm and 1000mm, allowing you to shoot clear shots of distant objects even while using telephoto lenses.

This type of lens can draw focus to the subject. It focuses your attention on the objective. This lens from the Canon digital brand can be used because it is reasonably priced and effective.

Ống kính telE

Tele Lens

4. Macro lenses

With a telephoto lens, it is possible to shoot distant photographs. Following that, the macro lens will be able to focus as closely as 50 millimeters away. Due to the construction of the macro lens, it can capture sharp images of objects that are extremely close. The size of the object, when depicted on the surface of the film, when depicted on the surface of the film is the same as when it is seen in real life.

The majority of the time, macro lenses are utilized so that photographs of minute details can be captured. This is a crucial decision if you intend to utilize an image of a small object for study.

Typically, the focal length of this lens is either 35mm, 50mm, or 60mm. Make it simple and straightforward to fire from close range

.Ống kính Macro có tiêu cự gần

Close-focus macro lens

5. Fish-eyes lens

What are fisheye lenses? Why is it called by that name? This type of angle is extremely wide since the images captured by this lens resemble fish eyes. Because you can shoot with a 180-degree field of view, the image's edges are frequently distorted. This type of camera is not widely used since the image it produces is frequently distorted and does not appear to have the same quality as it did when it was initially captured.

6. Tilt-shift lens

This component of a Tilt-Shift camera is referred to as the "structure," and it is comprised of two words: To shift a picture, you must move the lens in a direction that is perpendicular to the plane of the image. Turning the lens in this manner is referred as tilting it.

It is challenging to acquire clear and complete photographs when there are tall things in the surrounding area. Since then, this Tilt-Shift lens has been created so that people and objects in a photograph might become smaller.

For Tilt-Shift lens lenses, it enables the camera to stand upright and parallel to the subject while moving the front glass ring to frame the entire subject. The following is the procedure that must be followed to complete the process: The front portion of the lens is slidable, allowing the top of the item to be brought into the picture without requiring the top device to be adjusted. You can grasp the entire group of objects with a single action, regardless of how high they are in the frame.

7. Teleconverters

Teleconverters are comparable to optical lenses due to the lenses that are mounted to the body. This lens enables the camera to capture images from greater distances and with longer focal lengths. With a lens that has a 2x magnification, you can alter the focal length from 200mm to 400mm.

This series of items allows you to expand your collection of lenses for taking better photographs. The biggest flaw of this particular range of products is that the aperture of the lens at its widest point is significantly less spacious than it was in previous iterations. You are able to correct it by either slowing down the shutter speed or increasing the ISO installation.

Ống kính Teleconverter cho khả năng chụp tối ưu

Optimal teleconverter lens for photography

You can snap pictures with the help of the camera, but if you want your pictures to seem good, you should invest in additional lenses. These specifications pertain to the lens that is attached to the camera

Final words

 We really hope that this material is of assistance to you.

0 ratings