There have been reports of some Canon 750D cameras experiencing issues such as autofocus problems, overheating, and battery drain. However, not all Canon 750D cameras are defective, and many users have had positive experiences with this model. It is recommended to research and read reviews before purchasing to ensure you are aware of any potential issues. **

There is no information provided to determine if the Canon 750D has gotten wet. If the camera has been exposed to water, it is important to immediately remove the battery and memory card, dry the camera thoroughly, and seek professional assistance to prevent any damage. It is recommended to avoid exposing electronic devices like cameras to water to maintain their functionality. **

The Canon 750D is a good option for astrophotography, especially for beginners or those on a budget. It has a 24.2-megapixel sensor, which is capable of capturing detailed images of the night sky. Additionally, it has a good ISO range (100-12800) which allows for capturing images in low light conditions. However, for more advanced astrophotography, some users may find the 750D's noise performance at higher ISOs to be limiting. Overall, the Canon 750D can produce decent astrophotography images with the right techniques and accessories. **

Swamp and marsh areas tend to be foggier due to the high levels of moisture present in these environments. The water in swamps and marshes evaporates easily, creating a humid atmosphere that is conducive to fog formation. Additionally, the dense vegetation in these areas can trap moisture and prevent it from dissipating, further contributing to the foggy conditions. The combination of these factors makes swamp and marsh areas more prone to fog compared to other environments. **

Marsh and swamp areas are usually foggier because of the high levels of moisture present in these environments. The water in marshes and swamps evaporates during the day, increasing humidity levels in the air. When the temperature drops at night, the moisture in the air condenses, creating fog. Additionally, the dense vegetation in marshes and swamps can trap moisture and prevent it from evaporating, contributing to the foggy conditions in these areas. **

The Canon EOS 750D is compatible with Canon EF and EF-S lenses. This means you can use a wide range of Canon lenses with the 750D, including both EF and EF-S lenses. This gives you the flexibility to choose from a variety of lenses depending on your photography needs and preferences. **

The Canon EOS 750D is compatible with Canon EF and EF-S lenses. This means that you can use a wide range of lenses with this camera, including both full-frame and APS-C format lenses. Additionally, the camera is also compatible with third-party lenses that are designed for Canon EF and EF-S mounts. This versatility allows photographers to choose from a variety of lenses to suit their specific shooting needs. **

There could be several reasons why the Canon EOS 750D is not recognizing your external microphone. First, ensure that the microphone is compatible with the camera and that it is properly connected to the camera's microphone input. Additionally, check the camera's settings to make sure that the external microphone input is enabled. If the microphone still isn't recognized, there may be an issue with the microphone itself or the camera's microphone input. In this case, it may be necessary to troubleshoot or seek professional assistance to resolve the issue. **