What's the difference between tinfoil and patch?

Different scenes use different materials.

Aluminum foil paper, also called tin foil in Hong Kong, is a thin sheet with a thickness of less than 0.02 02mm, which is processed by an aluminum foil mill. Most aluminum foil paper has a glossy side and a dull side. Mainly used for packaging food, medicine, cosmetics and other chemical products.

Light-filled cloth, used as light-filled, provides quite dim lighting. The illumination of photographic optical axis can not show the satisfactory outline or shape of three-dimensional objects. This kind of light cannot produce important highlights, so many photographers use relatively soft or diffuse light sources. White reflective umbrella, skylight device, or a wide range of diffused light as supplementary light.