A monofocal lens can provide good contrast vision, but it may not provide natural vision at all distances. Monofocal lenses are designed to correct vision at a single focal point, typically for distance vision. This means that individuals with monofocal lenses may still require reading glasses or bifocals for close-up vision. While monofocal lenses can provide clear vision, they may not offer the same natural vision as a multifocal lens, which can correct vision at multiple distances. **

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. **

No, the iMac does not have a night vision camera. The iMac typically comes with a standard front-facing camera that is designed for video calls and taking photos. Night vision cameras are typically found in specialized security cameras or certain models of webcams, but they are not a feature of the iMac. If night vision capabilities are needed, it would be necessary to purchase a separate night vision camera or webcam. **

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. **

The best camera for wildlife photography is typically a DSLR or mirrorless camera with a high resolution sensor, fast autofocus system, and good low-light performance. Popular choices include the Canon EOS 5D Mark IV, Nikon D850, or Sony A7R IV. For lenses, a telephoto lens with a focal length of at least 300mm is recommended for capturing wildlife from a distance. Some popular options include the Canon EF 100-400mm f/4.5-5.6L IS II, Nikon AF-S 200-500mm f/5.6E ED VR, or Sony FE 100-400mm f/4.5-5.6 GM OSS. Ultimately, the best camera and lens will depend on your budget, specific needs, and personal preferences. **

A contact lens beginner may experience problems with their vision such as difficulty inserting and removing the lenses, discomfort or irritation, blurry vision, and difficulty adjusting to the feeling of having something in their eye. Additionally, they may struggle with proper hygiene and care of the lenses, leading to potential eye infections or other complications. It is important for beginners to receive proper instruction and guidance from their eye care professional to address these issues and ensure a smooth transition to wearing contact lenses. **