2/3" Liquid Telecentric Lens | Electronic Focus C-Mount

Product Description The 2/3" Liquid Telecentric Lens Series combines telecentric optics with advanced liquid lens technology to deliver fast, electronic focus adjustment and extended depth of field. Designed for machine vision applications requiring flexible working distances, these lenses maintain telecentricity, low distortion, and consistent image quality throughout the entire focus range. Available in magnifications from 0.4× to 4.0×, the series supports 2/3" sensors and standard C-Mount cameras. Electronic focusing enables rapid and stable working distance adjustment without mechanical movement, making these lenses ideal for high-speed automation, precision inspection, and variable-height objects. Key Features Liquid lens technology for electronic focusing Supports 2/3" image sensors Magnification from 0.4× to 4.0× Extended depth of field Maintains telecentricity throughout the focus range Low distortion and stable image quality C-Mount interface Optional coaxial illumination models Fast focus response without mechanical movement Main Applications Electronics and PCB inspection Precision metrology Semiconductor inspection Robot guidance systems Variable-height object inspection High-speed automation Barcode and code reading Packaging and assembly inspection Specifications 2/3" Liquid Telecentric Lens Model Coaxial Mag. WD+Liquid DOF F/# MTF (lp/mm) VT-TLL04-23 No 0.4x 100-120mm ±1.8mm 6.5 >0.3@100 VT-TLL05-23-A No 0.5x 110-120mm ±1.8mm 10 >0.3@100 VT-TLL05-23-C No 0.5x 100-120mm ±1.8mm 10 >0.3@100 VT-TLL17-23 No 1.75x 100-120mm ±0.2mm 13 >0.2@60 VT-TLL40-C-23-A Yes 4.0x 64.7mm 2mm 17 >0.3@50 VT-TLL40-C-23-C Yes 4.0x 62.778mm 2mm 17 >0.3@50 VT-TLL40-23 No 4.0x / 2mm 17 >0.3@50 Telecentric Lens Catalog Download