Tutorial on auto-focus custom settings of AI Servo for Canon 7D

I will give you a detailed analysis and share with you the tutorial on customizing auto-focus settings for AI Servo of Canon 7D.

Tutorial sharing:

Types and features of auto focus mode

Choosing the most suitable auto-focus mode based on the situation of the subject is the basis for auto-focus shooting. I hope you can understand the functions of each mode and select the appropriate mode for flexible use.

 

 

 

 

Speed control screen

 

 

LCD screen

ONE SHOT)

This mode is suitable for shooting static objects. By default, focus starts when the shutter button is pressed. Because the drive of the focus system stops after focusing, the distance between the camera and the subject cannot be changed after the upper half presses the shutter button. Release the shutter as soon as possible after focusing.

AI FOCUS)

This mode can determine the status of the subject and automatically switch between "single auto focus" and "AI Servo Auto Focus. After a single autofocus is used to complete the focusing, if the subject is moved, the camera will automatically switch the intelligent servo autofocus of the adult engineer to track the subject for focus.

Ai servo auto-focus (ai servo)

This mode is applicable when the shooting distance is constantly changing. By default, when the shutter button is set to half-pressed, the camera will be continuously tracked for focus. It is not only the movement of the front and back directions, but when it is relative to the left and right of the camera, the EOS 7D can also automatically switch the focus based on the auto focus area selection mode to track the subject.

Accurately grasp the subject and select the appropriate auto-focus mode for shooting

To master the auto focus mode, you must first understand the features of each mode. Then it is important to grasp the motion characteristics of the subject and select the most appropriate auto focus mode. No matter how advanced the camera is equipped with, if the selected focus mode is not suitable for the characteristics of the subject, it is difficult to properly focus. This is often considered a primary problem and ignored. However, the auto focus mode and the selected subject are not suitable for many situations. We hope that you can understand the features of the subject and select the appropriate auto focus mode.

Custom settings of AI Servo auto focus

To effectively capture the motion of the subject, you can customize the Auto Focus function for EOS 7D. This custom setting is essential for skilled use of AI Servo auto focus.

Custom sensitivity settings for AI Servo tracking

 

 

 

 

1: artificial intelligence servo tracking sensitivity in "C. Fn III: Auto Focus/drive" is a custom feature that changes the camera's motion characteristics when AI Servo auto focus. For the subject (obstacle) that uses the automatic focus when crossing, you can select the autofocus sensitivity from 5 levels. Please refer to the following content to select your custom settings.

Fast features and applicable scenarios

When the sensitivity is adjusted to the "fast" direction, the focus on the subject that is automatically focused across the focus is given priority. For example, when shooting a football player, the player will not focus on a specific character, but will first take the player that comes to the ball. You can also shoot multiple players at any distance, which is advantageous in shooting decisive scenes. However, if the sensitivity is set too high, auto focus will lose its sense of stability, so it is best to move step by step to find the most appropriate settings.

Characteristics of "slowness" and its applicable scenarios

When the sensitivity is adjusted to the "slow" direction, the focus sensitivity of the subject that is automatically focused on the cross will be reduced, and the focus will be focused on the subject that was originally focal. For example, when shooting a football match, it is suitable for tracking specific players, even if other players pass through the auto focus point, it can also prevent the focus from being transferred to them.

Custom settings of AI Servo 1st/2nd images preferred

 

 

"C. "2: AI Servo 1st/2nd image priority" in Fn III: Auto Focus/drive can be used in combination of AI Servo auto focus and continuous camera mode, adjust the operation characteristics and shutter time of the servo. The shutter time is preferred, or focus on the effect of focusing and photos. You can select the most suitable setting from various settings.

"0: Auto Focus first/tracing first" features and applicable scenarios

This is the default mode for EOS 7D. When taking 1st photos, focus is given priority to the subject, and focus is also given priority to tracking the subject during the continuous shooting of the first 2nd photos. Because focus is preferred, in some scenarios, the speed is slightly lower than when "1: Auto Focus first/drive speed first" is selected. It is suitable for general sports photography such as the starting scene of a long-distance race or the competition of a student sports meeting. It is also suitable for shooting the overall sports scene.

Features and scenarios of "1: Auto Focus first/drive speed first"

When shooting 1st images, focus on the subject first. Compared with tracking focus, the continuous shooting speed is higher during the continuous shooting period starting from 2nd images. It is suitable for shooting a variety of motorcycle competitions. He is good at repeatedly shooting the subject within a short period of time after the start of the tennis match.

"2: Release/drive speed first" features and applicable scenarios

When shooting 1st images, the shutter is preferentially released compared to focusing on the subject. Compared with the "1: Auto Focus first/drive speed first", the continuous shooting speed is more important during the initial continuous shooting of the first 2nd screenshots. The maximum number of connected images is in this configuration item. This mode is suitable for use in scenarios such as rapid release of the shutter to capture on-site reports at a certain moment, compared with tight focal points.

"3: Release/Track first" features and applicable scenarios

When shooting 1st images, the shutter is preferentially released compared to focusing on the subject. During the initial continuous shooting of 2nd images, focus tracking is preferred for the subject. This setting is suitable for starting a very fast motion of the subject. When shooting ball games such as tennis, if you cannot predict where the subject will go into the chart, you can also use this mode to take 1st shots first, and then capture the moments of the sport.

Auto-focus tracking of AI Servo

 

 

"C. in Fn III: Auto Focus/drive, the "3: AI Servo auto focus tracking method" can be used to specify the process of capturing the subject using AI Servo auto focus, suddenly, in the focus-on range, that is, the main focus, the automatic focus action occurs when the shooting is closer to the subject. This primary focus refers to the specific range in which auto focus is centered during the auto focus of the AI Servo. This function is similar to the sensitivity of artificial intelligence servo tracking, but does not change the sensitivity, but mainly determines whether to ignore the object that suddenly appears between the subject and the main focus.

Features and applicable scenarios of "0: primary focus-first"

In the main-to-focus range centered on the automatic focus that is being focused, when other objects are suddenly closer to the main-to-focus than the captured object, focus on this object as the main subject. When shooting a highly competitive track and field competition in front of the scene where two contestants almost rushed to the finish point at the same time, they can easily capture the champion. In addition to athletics, it can also be effectively used in sports such as motorcycle competitions.

"1: continuous auto focus tracking first" features and applicable scenarios

In this mode, any closer object in the screen will be considered as an obstacle being ignored. Regardless of the main focus, it is based on the previous focus information and attaches importance to the continuity of the subject. It is very effective when tracking a specific contestant in athletics matches. In addition, if the railing or wire rod suddenly enters the photo, it can also be regarded as an obstacle to be ignored.

Changing the auto-focus tracking method of AI can change the subject of a photo.

These are functions that are valued in motion photography and can specify focal points. The main focus is to allow users to take photos as desired. You can select different settings to change the subject of a photo. Therefore, it is a function with great impact. In addition, the combination of "1: AI Servo tracking sensitivity" and "3: AI Servo auto focus tracking method" makes the custom settings that match the shooting environment more powerful. For example, if you want to take a photo of a person as the subject during snow, you can set "1: artificial intelligence servo tracking sensitivity" to "slow" and "3: the auto-focus tracking method of the AI Servo is set to "1: continuous auto-focus tracking takes precedence", so that the light will not focus on the snow, but will be able to continuously capture the person who is taken as the main body. We hope that you can use these modes to accurately grasp your shooting objectives and conditions.

All right, the above information is all the content shared by Canon 7D AI Servo auto-focus custom settings tutorial for photography enthusiasts, you can see that photography enthusiasts here, Xiaobian believes that you are now very clear about the method, so all of you will go and follow the tutorial above to set up the auto-focus customization for AI Servo.