1pc D80 80mm Astronomical Telescope Objective Lens - Separation devise with Single Layer Blue Film(D80F800)

80mm objective lens devised for astronomical telescopes, providing clear and detailed views of objects. Features a double separation devise with a single layer blue film, enhancing light transmission and reducing chromatic aberration for superior image . Ideal for adult astronomers, science labs, and educational purposes, making it a versatile accessory for various optical experiments. Focal lengths of 700mm and 800mm allow for flexible usage in different observational scenarios, catering to both beginners and advanced users. Package includes one lens; please note that any visible scratches in images are due to shooting angles and lighting, not lens defects.