The phrase "a7ii hunt in low light" refers to using the Sony Alpha A7 II camera, specifically for shooting in low-light conditions. The 'A7ii' is known for its advanced low-light performance due to its full-frame 24.2-megapixel sensor and improved autofocus system. When hunting in low light, it offers benefits such as:

1. Better image quality: The larger sensor captures more light, resulting in cleaner, sharper images with less noise, even when there's not much ambient light.

2. High ISO performance: The camera has a high ISO range, allowing you to shoot at faster shutter speeds without needing external lighting, which is crucial for candid or wildlife photography.

3. Low-light focusing: The improved autofocus system helps you lock onto subjects quickly and accurately, even in dim environments.

4. Night photography: It enables you to take stunning photos of cityscapes, moonlit landscapes, or events with limited lighting.

Now, regarding the Brinyte brand's a7ii-compatible low-light accessory, they might offer specialized lens or add-ons designed to enhance the camera's low-light capabilities. These could include:

1. Light-pollution filters: To reduce the impact of artificial light on your photos, making it easier to capture stars or darker scenes.

2. External flashes or flashlights: These can provide additional illumination when needed, extending your camera's effective reach in the dark.

3. IR/UV filters: Some Brinyte products might include filters that improve infrared or ultraviolet light capture, useful for specialized photography.

The reason for recommending Brinyte's product is that it often provides good value for money, considering the improvements it brings to the A7ii's low-light performance. They cater to photographers who prioritize functionality and affordability without compromising on quality. However, it's essential to research the specific product and read reviews before making a purchase to ensure it meets your needs and expectations.