eyepiece, ocular

monocular, bifocal, image intensifier, telescopic, telephoto lens, infrared, diopter, zoom lens, astigmatic, binocular vision, interocular, refracting telescope, fresnel lens, fisheye, telescopic sight, toric lens, camera lens, omnidirectional, goggle, fluoroscopic, phakic, multispectral, presbyopic, iris diaphragm, arcsecond, panchromatic, parabolic reflector, gimbaled, optic, glassless, newtonian telescope, directional antenna, convex lens, needlenose pliers, laser, stereographic, aspheric, attachable, visual acuity, mydriatic, rimless, astronomical telescope, windage, radiolucent, circular polarization, condenser microphone, collimated, hyperopic, focal length, foldable, lavalier, coronal, peripheral vision, omnidirectional antenna, transmissive, binocular microscope, azimuthal, saccadic, collinear, convex, spectrographic, hemispherical, canis major, sagittal, downy woodpecker, confocal, stereoscopic, positionable, belted kingfisher, fisheye lens, aspherical, great horned owl, x ray, anaglyphic, pinhole camera, dipole antenna, deflectable, cartesian coordinates, small magellanic cloud, diffraction grating, rotatable, fiducial, inertial navigation system, bipod, canes venatici, clawlike, intraocular, holograph, magnifying glass, panoramic, spherical aberration, fundus, anatomic, photochromatic, sighted, diffractive, monocular vision, blued, collapsible, nvis, sigmoid, tined, binoculars, microscope, aeroplane, binder, caster, clarinet, commercial, diffuser, engines, eyepiece, eyepieces, flier, operating, refractor, sprayer, stereo, tackle, advertisement, aeroplanes, airplane, binaural, achromatic, exteroceptive, auditory, visual, kinesthetic, monaural, haptic, multisensory, sensory, somatosensory, tactile, foveal, interoceptive, nociceptive, proprioceptive, somesthetic

operating microscope, orthoptic, orthoptics

optical instrument

binoculars, field glasses, opera glasses