title: [Instruments combined to demonstrate the focal length of the optic system of the eye].
abstract: By combining a zoom lens with a telescope, short focal lengths similar to those found in the optic system of the eye can be achieved with a 35 mm camera.
mesh_terms: D005139:Eyeglasses; D006801:Humans; D007909:Lenses; D008953:Models, Anatomic; D055095:Optics and Photonics; D010781:Photography / Q000295:instrumentation*; D012029:Refraction, Ocular; D012160:Retina / Q000502:physiology; D014792:Visual Acuity
vernacular_title: Gerätekombination zur Darstellung der Brennweite des optischen Augensystems.