A phoropter is an instrument comprised of cylinders, prisms, and lenses that measures the eye’s refractive error to help determine and eye prescription. Phoroptors ...

We put Starfield Optics' flagship Géar telescope — the Starfield Géar 115 Triplet APO — to the test. It did not disappoint.

The triplet objectives are made with the same glass (both FCD 100 and FK-61) used in expensive refractors and are fully multicoated. The prisms are huge, allowing full coverage from any 1¼ ...