binocular
Using two eyes
Binocular means involving both eyes: binocular vision.
The noun binoculars (almost always plural) refers to a handheld optical device with two eyepieces for viewing distant objects: She watched the birds through binoculars.
A single unit is occasionally called a binocular or a pair of binoculars.
Binocular depth vision
- convergenceProcess of approaching sameness
- fusionJoining into unity
- parallaxPosition change from different vantages
- vergenceOpposite eye movements together
Rapid movement or magnification
Light-splitting optical element
- lensesCurved transparent refractors
- eyepieceLens you look through
- objectivePurpose or goal
- diopterUnit of focal power
aperture · wide-angle · infrared · stabilization · reticle · magnification · collimation · anti-reflective
Watching wild fowl
- ornithologyScientific study of birds
- twitchingInvoluntary muscular contractions
- birderOne who spots species
- speciesFinest taxonomic rank
migration · habitat · songbirds · nesting · flock · avian · birdcall · rarity
Undomesticated natural organisms
- safariWildlife observation journey
- stargazingObserving celestial bodies
- sportsCompetitive physical activities
- huntingPursuing wild game
marine · surveillance · scouting · theater · astronomy · nature · stadium · reconnaissance
stereopsis
Binocular depth vision
- convergenceProcess of approaching sameness
- fusionJoining into unity
- parallaxPosition change from different vantages
vergence · cross-eyed · strabismus · amblyopia · diplopia
zoom
Rapid movement or magnification
prism
Light-splitting optical element
diopter · aperture · wide-angle · infrared · stabilization · reticle · magnification · collimation · anti-reflective
birding
Watching wild fowl
- ornithologyScientific study of birds
- twitchingInvoluntary muscular contractions
- birderOne who spots species
species · migration · habitat · songbirds · nesting · flock · avian · birdcall · rarity · lifer
wildlife
Undomesticated natural organisms
- safariWildlife observation journey
- stargazingObserving celestial bodies
- sportsCompetitive physical activities
hunting · marine · surveillance · scouting · theater · astronomy · nature · stadium · reconnaissance · landscape
- microscopymicroscope, objective lens, compound microscope, eyepiece, compound microscopes
- eye equipmentophthalmoscope, refractor, topographer, refractometer, color plates
- opticslens, lenses, mirror, mirrors, prism
- Night Visionimage intensifier, infrared, night scope, night vision camera, thermal imaging
- pair of binocularsHandheld magnification device
- binocular visionOverlapping visual fields merged
- binocular disparityVisual offset between eyes