A replacement lens is the simplest way to adapt the SCOPE to the conditions without changing goggles.
AURORE and FLAMME carry SPEKTRA PHASE: photochromic and high contrast, they darken in the sun and clear in the shade. DUSK carries SPEKTRA PHASE II, which reacts to visible light. BOREAL, DUNE and BLUSH carry SPEKTRA, in a fixed tint, for bright days.
