Description Glass Lenses for Contrast Enhancement – This new material, called Phillips 202, utilizes rare earth oxides in the glass composition to achieve the unique color enhancing characteristics. Basically, the color enhancement concept works by selectively positioning transmission in the blue, green, and red spectral regions whereby one can improve the color discrimination between different color objects. These are the same colors used to produce a color television picture. They optimize the readability of such displays under high ambient light conditions. Phillips 202 Glass utilizes rare earth oxides in its composition to provide the same filtration. This glass is very efficient in filtering sodium flare in addition to providing ultraviolet protection to 390 mm. The Phillips 202 glass is becoming a preferable choice of lamp workers. It is very comfortable for viewing under high ambient light conditions such as when working with glowing heat sources for a duration of time. Also, although it has a relatively low luminous transmission of 38%, it is not recommended for sun protection use unless UV filtering coatings are applied.
Features
- Excellent sodium flare reduction
- They optimize the readability of such displays under high ambient light conditions.
- Color enhancement features
- Preferable choice of Lampworker’s and Beadmaker’s
- Trendy round frame with removable side shields for additional protection
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