The FluoroStar features a top-tier objective lens comprised of three air-spaced elements, utilizing premium FPL-53 ED glass from Ohara, Japan, combined with lanthanum glass. This sophisticated triplet design ensures outstanding color fidelity and image clarity, making it a true high-end instrument. Pair this apochromat with a high-quality William Optics diagonal, and you’ll experience star views of exceptional sharpness that few telescopes can match. 

The FluoroStar’s objective lens features a premium air-spaced triplet design, using FPL-53 ED glass from Ohara, Japan, combined with lanthanum glass elements. This exceptionally high-quality optical system delivers outstanding color fidelity and sharpness—making it a truly top-tier instrument. Pair this apochromatic refractor with a quality diagonal from William Optics, and you’ll enjoy stargazing with a level of clarity that few telescopes can match. 

The FluoroStar’s objective lens is a high-end, air-spaced triplet featuring premium FPL-53 ED glass from Ohara, Japan, combined with lanthanum elements. This advanced optical design ensures excellent color fidelity and image clarity, meeting the highest standards for serious astronomers. Pair this apochromatic refractor with a quality diagonal from William Optics, and you’ll experience star views with a sharpness and detail rarely matched by other telescopes. 

The Gran Turismo refractor is an apochromatic triplet telescope with an FPL-53 element, delivering outstanding color correction and high contrast. This versatile scope is designed to meet the needs of demanding observers and astrophotographers alike. When paired with an optional diagonal, the GT 71 offers stunning, high-contrast views of the Moon and planets. Its fast optics also allow you to enjoy deep sky objects—such as star clusters, galaxies, and nebulae—with crisp, pinpoint stars, making globular cluster observation and analysis especially enjoyable.

William Optics’ GranTurismo refractors are renowned for their FPL-53 glass, offering exceptional color accuracy and high contrast. This versatile apochromatic refractor meets the demands of both visual astronomers and astrophotographers. With an optional diagonal mirror, the GT81 provides high-contrast views of the Moon and planets. Its fast optics allow for extended observation of challenging deep-sky objects—star clusters, galaxies, and nebulae—all with crisp, pinpoint stars, making globular cluster observation especially rewarding.