Azure Spy High-Precision Cemented Achromatic Doublet Lens, Ø93 mm, Focal Length 500 mm – Telescope Grade, Green Film Coated

The Azure Spy High-Precision Achromatic Doublet Lens is designed for advanced telescope objectives and research-grade optical applications, delivering superior clarity, brightness, and accurate color correction. With a large 93 mm clear aperture and a 500 mm focal length, this cemented doublet offers excellent light-gathering capability, high resolution, and precise aberration control across the visible spectrum.

Manufactured from premium crown and flint optical glass, the achromatic doublet configuration minimizes both chromatic and spherical aberrations, ensuring sharp, high-contrast, and distortion-free imaging. Its combination of wide aperture and mid-to-long focal length makes it particularly well-suited for deep-sky astronomy, planetary observation, astrophotography, and scientific-grade instruments.

The lens surfaces are coated with a specialized green film anti-reflective coating, which increases light transmission, reduces unwanted reflections, and ensures brighter, sharper images with improved contrast, even under low-light observing conditions.

Key Specifications:

• Brand: Azure Spy

• Type: Cemented Achromatic Doublet Lens

• Clear Aperture (Ø): 93 mm

• Focal Length: 500 mm

• Coating: Green Film Anti-Reflective Coating

• Glass Type: Crown & Flint Optical Glass (Precision Bonded)

• Optical Performance: Large aperture, superior chromatic aberration correction, telescope-grade clarity

• Applications: Astronomy telescopes, astrophotography, planetary and deep-sky observation, laser optics, scientific research instruments

The Azure Spy Ø93 mm, 500 mm Achromatic Doublet Lens is the ideal choice for astronomers, astrophotographers, and research professionals who demand large-aperture, precision optics for high-performance telescope systems and scientific applications.