Premium CaF2 Concave Telescope Objective Lens – Customized for Precision Optics

Ultra-Pure Calcium Fluoride (CaF2) Crystal
– Exceptionally low dispersion and high transmission (90%+ from UV to IR), minimizing chromatic aberration for razor-sharp imaging.
Precision-Crafted Concave Design
– Hand-polished to λ/10 surface accuracy, ensuring distortion-free light refraction for telescopes, microscopes, and laser systems.
Customizable Specifications
– Available in multiple diameters (25mm–150mm), focal lengths, and anti-reflective coatings (AR/UVIR) tailored to your project.
Ideal for Astronomy & High-End Optics
– Perfect for astrophotography, research-grade telescopes, medical imaging, and industrial laser applications demanding zero thermal expansion.
Durable & Scratch-Resistant
– Hardened surface treatment protects against environmental wear while maintaining optical clarity.
Global Wholesale Advantage
– Factory-direct pricing, bulk discounts, and fast international shipping—no middlemen, just unmatched value.