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Photochromic Tinted Glasses
g4fne
Posts: 232 Forumite
I need to order some new wrap around protective glasses. I want them to have photochromic lenses, but on occasions may need to use indoors.
I can order photochromic lenses that darken from Category 0 to 2
or
Category 1 darkening to Category 3
My normal everyday reactorlite glasses go from clear dark so guessing probably catergory 0 to 2 ??
Does anywone know anything about these gradings??. Would i get away with category 1 to 3 when indoors or will they still be too dark at their lightest??
CATEGORY.0 - 0-20% LIGHT TRANSMISSION
Lenses are either transparent or slightly tinted – suitable for night wear.
CATEGORY.1 - 20-60% LIGHT TRANSMISSION
Lenses are slightly tinted – recommended for overcast/flat light conditions.
CATEGORY.2 - 60-80% LIGHT TRANSMISSION
Lenses are moderately tinted – suitable for overcast/flat light conditions.
CATEGORY.3 - 80-90% LIGHT TRANSMISSION
Lenses are darkly tinted – recommended for bright light conditions.
CATEGORY.4 - 92-97% LIGHT TRANSMISSION
Lenses are very darkly tinted – recommended for extremely bright light conditions but not suitable for driving.
I can order photochromic lenses that darken from Category 0 to 2
or
Category 1 darkening to Category 3
My normal everyday reactorlite glasses go from clear dark so guessing probably catergory 0 to 2 ??
Does anywone know anything about these gradings??. Would i get away with category 1 to 3 when indoors or will they still be too dark at their lightest??
CATEGORY.0 - 0-20% LIGHT TRANSMISSION
Lenses are either transparent or slightly tinted – suitable for night wear.
CATEGORY.1 - 20-60% LIGHT TRANSMISSION
Lenses are slightly tinted – recommended for overcast/flat light conditions.
CATEGORY.2 - 60-80% LIGHT TRANSMISSION
Lenses are moderately tinted – suitable for overcast/flat light conditions.
CATEGORY.3 - 80-90% LIGHT TRANSMISSION
Lenses are darkly tinted – recommended for bright light conditions.
CATEGORY.4 - 92-97% LIGHT TRANSMISSION
Lenses are very darkly tinted – recommended for extremely bright light conditions but not suitable for driving.
0
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