STS18.5 Series

With high telecentricity and low distortion, BASSON bi-telecentric lenses are mainly applied to precision measurement and high-precision visual positioning fields.
BASSON STS18.5 Series Standard Bi-telecentric Lenses are standard C-mount lenses, available for industrial cameras with maximum sensor size of 1.1” (diagonal of 18.5mm) .

lOptical magnification: 1.609x-0.059x

lFOV: 11.5mm -315mm, satisfying different requirements on field of view

lWD: 25mm-545mm, satisfying different requirements on working distance

lDistortion: <0.05%, telecentricity: <0.05°

lBi-telecentric design, very deep DOF, high resolution

lMulti-layer coating, high transmittance

lIP 65 for use in harsh industrial environments

lOptions between high resolution and deep DOF are available, satisfying different

lCustomized aperture is available

l Working distance can be adjusted within certain limits as per customers’ requirements 



Lenses with High Resolution


Lenses with Deep DOF