| Rating | Solver | Clue |
|---|---|---|
| SPECULUM | Telescope mirror | |
| EYEPIECE | The lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed. | |
| OPTIGRAPH | A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for d... | |
| POWER | The degree to which a lens, mirror, or any optical instrument, magnifies; in the telescope, and usually in the microscope, the number of times ... | |
| IMAGE | ...tly by the eye, or with an eyeglass, as in the telescope and microscope; the likeness of an object formed by reflection; as, to see one's image ... | |