250 Diffusion Frame Cinematography
I often see these kinds of filters on a frame, like a flat board, on set. The lee numbers you listed are generally the following:
2 diffusion silk diffusers included. White diffusions like 216 (full white) and 251 (quarter white) are very common, but are only the beginning to the rabbit hole of materials.
250 Diffusion Frame Cinematography. Diffuser is a device which is usually owned by those who are into aromatherapy. There are various kinds and types of diffusers on the market, according to the needs of users. Make sure you are right in selecting a diffuser so that the benefits of aromatherapy are felt to the maximum.
The diffuser can be described as a tool that functions to convert aromatic oils to fragrant vapors, and then distribute them throughout the air so that they're easier to breathe. A diffuser in a room can create a soothing and relaxing environment. This is why the use of diffusers is a great way to calm the mind and ease stress.
Although the diffuser's use has several benefits, it is not proven safe to make use of it for vaporizing antiseptic liquids to sterilize the air. This actually risks causing side consequences, including irritation to the respiratory tract or eyes.
The use of diffusers to date has been beneficial in maximizing the benefits that essential oils provide. The aroma that is diffused can stimulate the senses and affects emotions and your nervous system. However, it depends on the kind of aromatherapy that is used.