cross hair, cross wire

reticule, crosshair, aperture, collimator, diffraction, galvo, monochromator, photodiode, airburst, defocus, collimating, windage, capacitances, workpiece, parallax, flashgun, turret, gearset, microswitch, detents, autoloader, nozzle, fiducial, cartridge, magnifications, pellicle, photodetector, baseplate, laser, metallization, azimuthal, broadhead, eyepiece, lithography, sensor, compensator, pyrometer, fuze, bipod, sniper rifle, photodiodes, laser beam, peening, vernier, photocells, checkering, phototransistor, muzzle velocity, photoresist, emissivity, photometer, platen, calibration, photolithographic, halftone, directional antenna, crystal oscillator, subminiature, sabot, infrared, nosepiece, imager, tailstock, optics, spherical aberration, image intensifier, imagesetter, recoilless, chamfering, galvanometer, vignetting, vectoring, gimbal, interferometer, bevel, mounter, focal length, backspacing, wafer, transmissivity, autoloading, interposer, viewfinder, scopes, radome, absorbance, fisheye, spectro, chromatic aberration, diopter, electron beam, concentricity, antialiasing, toroid, ablator, dot matrix printer, photometric, millivolt, gatling gun, zeiss, autofocus, pixel, micrometer, diffuser, dial, anemometer, dynamometer, grating, magnet, armature, coil, gantry, rheostat, stator, caliper, cam, cantilever, commutator, concentrator, concentrators

ocular

mesh, meshwork, net, network, reticulation

graticule