Tesoo m9 lens is a single thin and flat structure with multiple waveguides (looks like tiny pillars) arranged in a specific pattern. The sensor size of m9 lens is 1/2.5'' to 1/4''. TTL: 7.49-15.95mm. EFL: 1.80-5.60mm. F.NO: 2.0/2.4/2.6. MBFL: 1.48-6.24mm. Get m9 lens price now!