See Other Languages:
Variations and Generational Changes
O Matter
Blade System:
Blade, RazorBlade and Slit
M Frame:
Gen 1: Had Hammer stems with the Classic logo, no stretch logo on the lenses. Called 'Mumbo'.
Gen 2: Had Hammer Fang stem with Icon and the stretch logo on the lens bridge. Hinge was contoured for strength.
Modern: Design was overhauled and modeled after the 1997 Pro M Frame only with hinges.
Razor Blade/Blade:
Original: Was an 80's style and had swapable curved and trigger ear stems.
Re-release: Razor Blade - Modernized and re-released. Frame is compatible with modern M Frame lenses.
Re-release: Blade - A true re-cast of the original, without any technology updates. Produced for the 2010 STPL collection.
Overthetop:
Gen 1: Flat hole-less frame.
Gen 2: Insets cut into the inside of the frame for the forehead padding. Also has little holes cut into the back end of the frame.
Eyeshade:
Original: Original 1984 release
Re-release: Recast from original for the 2010 STPL collection and another as an Oki-ni exclusive.
