an aplanatic lens
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AnswerCrossword Clue
aplanatan aplanatic lens
aplanaticallyAPLANATIC, of a lens, free of spherical aberration
anastigmatsAn anastigmatic lens system
aplanatan distortion-free lens
anastigmatAn anastigmatic lens system
TORICDescribing an eyeglass lens.
apochromatan apochromatic lens or instrument
aplanatsAPLANAT, an distortion-free lens
apochromatsAPOCHROMAT, an apochromatic lens or instrument
eyepiecethe lens nearest the eye in an optical instrument
aspherical(esp. of the surface of an optical lens) Not spherical
eyepiecesEYEPIECE, the lens nearest the eye in an optical instrument
aphakiaabsence of the lens of an eye, congenital or otherwise
ocularan eyepiece (the lens nearest the eye in an optical instrument)
defocusesCause (an image, lens, or beam) to go out of focus
defocusCause (an image, lens, or beam) to go out of focus
defocussingCause (an image, lens, or beam) to go out of focus
defocusingCause (an image, lens, or beam) to go out of focus
defocusedCause (an image, lens, or beam) to go out of focus
defocussedCause (an image, lens, or beam) to go out of focus
ocularsOCULAR, an eyepiece (the lens nearest the eye in an optical instrument)
focometeran instrument for measuring the focal length of a lens also FOCIMETER
focimeteran instrument for measuring the focal length of a lens also FOCOMETER
focimetersFOCIMETER, an instrument for measuring the focal length of a lens also FOCOMETER
focometersFOCOMETER, an instrument for measuring the focal length of a lens also FOCIMETER
periscopic(of a lens or an optical instrument) Giving a wide field of view
binocularsAn optical instrument with a lens for each eye, used for viewing distant objects
edgersperson who puts an edge, esp. a finishing edge, on a garment, surface, lens, etc.
edgerperson who puts an edge, esp. a finishing edge, on a garment, surface, lens, etc.
microscopean optical instrument consisting of a lens or combination of lenses for making enlarged images of minute objects
anamorphoscopean optical device, such as a cylindrical lens, for correcting an image that has been distorted by anamorphosis
microscopesMICROSCOPE, an optical instrument consisting of a lens or combination of lenses for making enlarged images of minute objects
anamorphoscopesANAMORPHOSCOPE, an optical device, such as a cylindrical lens, for correcting an image that has been distorted by anamorphosis
gonioscopean instrument used for examining the structures of the eye between the cornea and the lens that are not directly visible
gonioscopesGONIOSCOPE, an instrument used for examining the structures of the eye between the cornea and the lens that are not directly visible
parallaxesThe effect whereby the position or direction of an object appears to differ when viewed from different positions, e.g., through the viewfinder and the lens of a camera
parallaxThe effect whereby the position or direction of an object appears to differ when viewed from different positions, e.g., through the viewfinder and the lens of a camera
cameraedevice that consists of a lightproof chamber with an aperture fitted with a lens and a shutter through which the image of an object is projected onto a surface for recording (as on film) or for translation into electrical impulses (as for television broadcast)