1. Overview of Canon EOS 90D
The Canon EOS 90D is a remarkable digital single – lens reflex camera that offers a wide range of features suitable for both novice and experienced photographers. It combines high – resolution imaging, fast autofocus, and excellent handling.

2. Body and Buttons
The camera body of the EOS 90D is designed ergonomically. On the top, you can find the mode dial which allows you to select various shooting modes such as Auto, Program, Shutter – priority, Aperture – priority, and Manual. The shutter button is conveniently located for easy access. Around the shutter button are other control buttons like the on – off switch.
On the back of the camera, there is the LCD screen. The menu button gives you access to a plethora of settings. The playback button enables you to review your photos and videos. The multi – controller button in the middle helps in navigating through the menu and selecting focus points during shooting.
3. Lens Mounting
To mount a lens on the EOS 90D, first, make sure the camera is turned off. Align the red dot on the lens with the red dot on the camera’s lens mount. Then, gently insert the lens into the mount and rotate it clockwise until it clicks into place. When removing the lens, press the lens release button and rotate the lens counterclockwise.
4. Shooting Modes
Auto Mode: In this mode, the camera automatically adjusts settings such as aperture, shutter speed, and ISO based on the scene. It’s great for beginners who want to quickly take pictures without having to worry about complex settings.
Program Mode: The camera selects the aperture and shutter speed combination, but you can still have some control over other settings like ISO and white balance.
Shutter – priority Mode: Here, you set the shutter speed, and the camera automatically adjusts the aperture to achieve proper exposure. This is useful for capturing fast – moving objects.
Aperture – priority Mode: You control the aperture, and the camera sets the shutter speed. It’s ideal for controlling depth of field.
Manual Mode: In this mode, you have full control over aperture, shutter speed, and ISO. It requires more knowledge but gives you the most creative freedom.
5. Autofocus System
The EOS 90D features an advanced autofocus system. You can choose different autofocus modes such as One – Shot AF for stationary subjects and AI Servo AF for moving subjects. The camera has multiple focus points that you can select either manually or let the camera choose automatically based on the subject’s position.
6. ISO Settings
ISO determines the camera’s sensitivity to light. The EOS 90D offers a wide range of ISO values. In low – light situations, you can increase the ISO, but be aware that higher ISO may introduce more noise in the image. It’s important to balance ISO with aperture and shutter speed for optimal image quality.
7. White Balance
White balance settings ensure that the colors in your photos look natural under different lighting conditions. The EOS 90D has preset white balance options like Auto, Daylight, Tungsten, Fluorescent, and Cloudy. You can also set a custom white balance for more accurate color reproduction.
8. Image and Video Recording
The EOS 90D can record high – quality images with its high – resolution sensor. For video recording, it offers various frame rates and resolutions. Make sure you have a sufficient memory card with enough storage space and the appropriate speed class for smooth recording.
In conclusion, the Canon EOS 90D is a powerful tool for photography. With practice and understanding of its features, beginners can quickly get started and start creating amazing photos and videos.