We tested both the aero and zephyr frames with zebra light zebra and a red spectron 3 cf lenses.
Zebra light red lens.
H600d mk iv 18650 xhp50 2 5000k high cri headlamp.
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17 to 75 it gets darker or lighter to match changing light conditions.
1 to 3 visible light transmission rate.
However when serving as a guide for any form of mechanized skiing i ll need a lot more from my lens and that s where the other lenses will come into play.
The company s product selection is massive and history extensive protecting the eyes of all sorts of outdoor enthusiasts.
The reactiv zebra light lens is ideal for dawn to dusk mountain biking trail running and climbing with a yellow brown tint that is easy on the eyes.
Offers equally effective performance in both poor and clear conditions.
They have multiple performance glasses and goggles relevant to the biking community with their front runner being the aero.
The helios 44 series originated in the ussr and the unusual specs among standard primes for cameras using 135 film which usually featured a 50mm focal length with an f 1 4 or f 1 8 aperture quickly give away the fact that this lens is a copy of the famous zeiss biotar design which also sports 58mm and an f 2 pre set aperture.
If you re looking for something darker the camel lens covers 5 20.
The reactiv photochromic lens gets darker or lighter in accordance with light intensity transmitting from 13 to 72 of the visible light.
Both models with the standard mirrored spectron 3 cf lenses retail for 130 while the high end anti fog photochromic hydrophobic zebra lenses add 50 to the price.
The zebra light is now my go to ski mountaineering lens and that s because generally one lens is all i really need for ski mountaineering.
The zebra light has a transmission of 16 80.
Feedback from pro mountain bikers using their lens have indicated the red lens seems to provide a little better contrast in low light situations.
After talking to a representative at julbo about choosing the right lens tint for mountain biking i chose the zebra light red lens.
Julbo eyewear has a new tint option the zebra light red that s targeted at the mountain bike crowd.
The zebra has a transmission of 7 42.
The zebra and zebra light are two different lenses.