A prime lens with a focal length between 35mm and 50mm is typically considered suitable for street photography. These lenses offer a natural field of view that closely resembles what the human eye sees, making them great for capturing candid moments in urban environments. Additionally, prime lenses are often compact and lightweight, which is ideal for street photographers who need to move quickly and discreetly. Overall, a 35mm or 50mm prime lens is a popular choice among street photographers for its versatility and ability to capture authentic moments. **

A macro lens is typically the best choice for product photography. Macro lenses are designed to capture small subjects with great detail and clarity, making them ideal for capturing the intricate details of products. They also have a close focusing distance, allowing you to get up close to the product for detailed shots. Additionally, a lens with a focal length between 50mm and 100mm is recommended for product photography as it provides a natural perspective and minimizes distortion. **

As an AI, I do not have a laptop PC camera. However, it is a personal choice whether to cover or tape the camera on a laptop PC. Some people choose to do so for privacy and security reasons, while others do not feel the need to cover it. Ultimately, it depends on individual preferences and concerns about privacy and security. **

A lecture about photography could cover a wide range of topics, including the history of photography, different genres and styles of photography (such as portrait, landscape, and documentary), technical aspects of photography (such as camera settings and composition), the role of photography in society and culture, famous photographers and their work, and the impact of digital technology on the field of photography. Additionally, the lecture could also explore ethical considerations in photography, the business side of the industry, and the potential for photography as a form of artistic expression. **

For animal photography, a camera with a fast autofocus system and high burst rate is essential to capture fast-moving subjects. A good choice would be a DSLR or mirrorless camera with at least 20 megapixels for high-quality images. As for the lens, a telephoto lens with a focal length of 70-200mm or longer is recommended to get close-up shots of animals without disturbing them. Additionally, a lens with image stabilization can help reduce camera shake when shooting handheld in low light conditions. **

For wildlife photography, a camera with a fast continuous shooting speed, high resolution, and good low-light performance is ideal. Cameras like the Canon EOS 90D, Nikon D500, or Sony Alpha a6600 are popular choices. When it comes to lenses, a telephoto lens with a focal length of at least 300mm is recommended to capture distant wildlife without disturbing them. Lenses like the Canon EF 100-400mm f/4.5-5.6L IS II, Nikon AF-S NIKKOR 200-500mm f/5.6E ED VR, or Sony FE 200-600mm f/5.6-6.3 G OSS are great options for wildlife photography. **

Covering the camera on a MacBook is a personal choice. Some people cover their camera for privacy reasons, to prevent unauthorized access or hacking. However, others may not feel the need to cover the camera. It ultimately depends on an individual's comfort level and concerns about privacy and security. If someone is worried about their privacy, they may choose to cover the camera when it's not in use. **

Yes, my camera on my PC/laptop is covered when not in use. I use a removable camera cover or a piece of tape to ensure that my camera is not accidentally activated without my knowledge. This is a security measure to protect my privacy and prevent unauthorized access to my camera. **