High-Definition 154mm Double Separation Objective Lenses for Astronomical Telescopes(D154F750 Single-Layer)

Precision-engineered 154mm diameter objective lenses devised for enhanced clarity and performance in astronomical observations. Available in two focal lengths: 750mm and 1200mm, catering to various astronomical viewing needs. Features optional multi-layer broadband film coating (400-700nm) for superior light transmission and reduced glare. Ideal for use as objective lenses, star-seeking lenses, and collimating lenses in DIY telescope assemblies. Manufactured with strict tolerances: diameter tolerance of +0/-0.12mm and focal length tolerance of ±0.1% for reliable performance.