Plano-concave rectangular cylindrical lenses provide uni- axial negative imaging for anamorphic beam expansion and a wide range of applications.These lenses may also be used as mirror blanks if a concave cylindrical surface mirror is required.

Custom Truncated Doublet and Singlet Lenses from UNI Optics

We offer an extensive custom truncated doublet lens service. With our 30 year heritage of experience in the industry means we can always find the right product and specification for you, whether you require exotic materials, or exceptionally tight tolerances, we are confident in our ability to supply to your complete satisfaction. The table below is a brief overview of our doublet lens  and is not an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.es and is n’t an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.

Typical Specifications:

Typical materials: Flint (N/F2) and Crown (BK7)
                             Flint (SF6) and Crown (N-LAK22)
                             UV & IR materials on request
Diameter: 3mm to 200mm+
Focal length: 3mm to 1000mm+
Centration: < 3 arcseconds
Surface figure: < 0.1 fringe
Surface quality: < 10/5 Scratch/dig
Coating options: Single layer and BBAR coatings for UV/VIS/NIR with R.avg.<0.25%

More information on the achievable specifications for your individual application can be found by contacting our technical sales team. 

For high-precision machine vision applications, widely covering dimensional inspection and surface defect detection for consumer electronics, food and pharmaceutical packaging detection, printing & label inspection, robotic vision guidance and precise positioning, as well as in-line dimensional measurement of automotive components in typical industrial scenarios.

· High relative illumination and high contrast
· Low distortion and excellent corner brightness

· High resolution

· Compatible 1.2" 12MP camera

Product information: Custom designs are available upon request.

For Semiconductor Wafer Inspection, Wildfire Detection & Ember Monitoring, etc.

· Developed for 1" image format
· Wavelength: 900-1700nm
· Large Aperture, up to F1.4
· Compact and lightweight design

For automotive polarizer & Mini LED backlight substrate testing, medium-grade fine-line FPC & IC carrier board AOI detection, solar cell EL hidden crack screening, narrow precision cold-rolled metal strip flaw inspection, pharmaceutical packaging & medium anti-counterfeit printing quality control and electronic ceramic substrate microscopic inspection.

· Developed for 32mm big frame sensor

· Excellent optical performance, uniform imaging of center and edge

Product information: Custom designs are available upon request.

For High-Precision Machine Vision Applications: Consumer Electronics Dimensional Inspection, Surface Defect Detection, OCR & Code Reading, Robotic Guidance, Biomedical Imaging and so on.

· Developed for 1/1.8" image format
· Low distortion
· High relative illumination

· Focus and iris fixed with screw

Product information: Custom designs are available upon request.

For inspection of lithium battery separators and coated copper & aluminum foils, high-end printing and anti-counterfeit packaging, precision testing of PCBs and 3C electronics, surface defect detection of metal sheets and coils, flat panel display & glass defect inspection, and dimension measurement of various rolled materials.

· Developed for 64mm big frame sensor
· Low distortion
· Compatible for 2K, 4K, 8K line scan camera
· Excellent optical performance, uniform imaging of center and edge

Product information: Custom designs are available upon request.