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|Revision Sawfly Photochromic Kit|
|Monday, 17 September 2012 22:10|
There are some complications though as the UV light has to be direct rather than bounced to get good darkening results. Due to this, even wearing a common baseball cap will shade the glasses enough to prevent them getting as dark as most would prefer outside. This applies even more so to a vehicle situation. Even when fully blasted with UVs from direct sunlight, the Photochromic lenses don't get quite as dark as the classic dark lenses. This isn't necessarily a bad thing as usually I don't find the need for full dark unless in super bright reflective situations. On the other end of the spectrum, with no UV light the lenses get pretty darn close to clear. On a night op however, this super slight difference may be noticeable.
With those complications noted, they still really shine in say a CQB environment where one is more likely to wear a helmet than a cap with the light conditions constantly changing going back and forth from outdoors to indoors. While the lenses take about 1 minute to fully go from one light situation to the other, this is much more convenient than having to bust some sort of tactical time out to change lenses or fight through with decreased vision by having the wrong lens for the situation. In my experience the Photochromic lenses are just dark enough to take the edge off a sunny day, while being tame and adaptive enough to see clearly when quickly transitioning to an indoor environment. In contrast a not so good situation is say a long drive on a traffic heavy bright day where everything is reflecting intense sun into your vision, yet sadly it is not direct UV so the Photochromic lenses will stay fairly clear.
Revision provided some extra intel for those more interested in the Photochromic technology:
Just like the rest of the Sawfly line, the Sawfly Photochromic Kit is Rx compatible. The Sawfly Photochromic Kit is available in Small, Regular, and Large sizes in the online store for $149.99 or you can purchase the individual Photochromic lens for $80.
Although my white ass usually wears a hat outside I look forward to trying out the Photochromic Kit to be my go to tactical lens setup and will hang on to the classic darks for the really bright situations and driving specs.