Infrared optics for OEM, engineering, and sourcing teams.

IR lens with low reflection coating for LWIR

ZnSe Bi‑Convex Lens D=12.70mm F=20.00mm, Ravg<1.5% @8‑12μm

OPTOStokes SP610 short‑pass optical filter delivers T>90% at 405‑600nm with OD>2 blocking 640‑1020nm. Ideal for color sorting & inspection. Contact sales@optofilters.com.

Product family Bi-Convex Lenses

Product Overview

ZnSe Bi‑Convex Lens D=12.70mm F=20.00mm, Ravg<1.5% @8‑12μm

This CVD ZnSe bi‑convex lens delivers stable optical performance across long‑wave infrared bands, widely deployed for beam focusing and collimation. Manufactured to tight mechanical and optical tolerances, this component suits system integration for laser and infrared detection projects. As one of our infrared optical components, it supports both standard ordering and application‑oriented modification.

Technical Specifications

ParameterValue
MaterialZnSe (Zinc Selenide)
Diameter (D)12.70 mm
Diameter Tolerance+0.0 / -0.1 mm
Effective Focal Length (EFL)20.00 mm
EFL Tolerance±1%
Back Focal Length (BFL)19.4 mm
Center Thickness (Tc)2.70 mm
Center Thickness Tolerance±0.2 mm
Edge Thickness (Te)2.00 mm
Radius R1=R255.30 mm
Design Wavelength10.6 μm
CoatingRavg<1.5% @8‑12μm
Centration Error< 3 arc‑minutes
Surface Quality60/40
Bevel0.2 mm × 45°

Applications

This ZnSe bi‑convex lens fits LWIR optical systems including machine‑vision infrared light paths, optical sensor assemblies, CO₂ laser beam delivery, thermal imaging equipment, and infrared spectroscopy setups. It focuses or collimates infrared radiation for industrial measurement and detection hardware.

Customization & Service

iropitical supplies extensive in‑stock infrared optics while offering high‑level customization. You may adjust dimensions, surface finish, coating recipes and mechanical features according to your drawing requirements. All finished parts follow world‑class precision standards with reliable lead‑time control. If you need matched infrared windows or other supporting optics, we can deliver full‑set component sourcing.

Pain Points & CTA

Many engineering projects face bottlenecks including unstable delivery cycles, limited custom‑option support, and inconsistent coating reproducibility. Our team provides technical consultation to match lenses to your system constraints. Please send your drawings or requirement list to sales@iroptical.com for quotation and feasibility evaluation.

Technical Parameters

Detailed specifications are not available for this product yet. Please contact the team for application guidance.

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