| EYELENS | Part of a microscope or telescope |
| EYECUP | Piece on a microscope or telescope |
| LENS | Part of a microscope or a telescope |
| EYEPIECE | Part of microscope or telescope (8) |
| NAKEDEYE | Looker (without microscope or telescope?) (5,3) |
| MOUNT | A stamp hinge; a slide for a microscope; or, Jilly Cooper's novel about racing (5) |
| NOSEPIECE | Part of a microscope to which the objective lenses are attached (9) |
| PIER | Walkway over water, such as a jetty; a buttress; a gate pillar; or, a support for an arch, bridge or telescope (4) |
| MONOPOD | One-legged stand for a camera or telescope |
| BIOPSY | A medical examination of tissue from a living body under a microscope to determine the cause of a disease (6) |
| SLIDES | Seats on runners in rowing boats; telescopic mechanisms of trombones; glass coverslips for microscopes; or, transparencies for projection onto screens (6) |
| ALTAZIMUTH | Astronomical instrument or telescope mounting devised by George Airy in 1847 |
| COVERSLIP | Small glass plate placed over a specimen mounted on a microscope slide; or, a fabric case for a duvet (9) |
| STAGE | Stratigraphical unit; or, a plate on a microscope upon which a slide is placed for examination (5) |
| ORGANISM | A living animal or plant, especially one so small that it can only be seen by a microscope (8) |
| PETRI | Kind of dish under a microscope |
| SLIDE | Thin rectangular plate of glass on which specimens are mounted for examination under a microscope (5) |
| AMOEBA | Creature on a microscope slide |
| WITHONEEYESHUT | Thus, one may use a microscope very easily |
| ONASLIDE | Where to place a microscope specimen |