SM@RT BISON - single piece

See sm@rter is included as part of this travel package. The generated quality does not depend on any external library. This can be useful in different situations. Aptica ready reading make us smarter ...

POSIX black

YACC red 

GNU blue

BISON demi-amber

technical specifications

wayfarer shape - size L50-N17-T136

lens powers +1.00> +3.50 and a pupil distance (pd) or 62 + - 1mm