Optical bench - comparing lenses

Numéro d’image : 12395079
Optical bench - comparing lenses
Classroom optical bench. In this experiment a double convex 50 mm lens is compared with a 140 mm plano convex lens. The wooden optical bench allows for fairly precise experiments in the classroom and consists of a 1.5 meter rail on which carriages are placed against a millimetre scale. The light source is a focused light emitting diode that is bright enough to use without a blackout. The light is cast onto an object needle. The image is focused by a lens onto a white metal receiving screen which can have a squared paper insert. Mirrors, object screens, diffraction objects and Young's slits can also be used in the setup.
Licence : Droits gérés
Crédit: Science Photo Library / Chillmaid, Martyn F.
Taille de l’image : 5760 px × 5100 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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