PURPOSE: Demonstrate various lenses for a video camera.

DESCRIPTION: Interchange a standard 45mm lens and a zoom lens on the TV camera to show on the monitor what the optics does. Install one of the five close-up lenses onto the standard lens to view small objects. The above right photograph shows the zoom lens controls. The photographs below show the near point for the standard 45mm lens without and with a supplemental 10cm close-up lens.

SUGGESTIONS:

REFERENCES: (PIRA unknown.)

EQUIPMENT: Black and white video camera, standard 45mm lens, f1.8 12.5-75 mm zoom lens, 2cm, 5cm, 10cm, 15cm, and 20cm supplementary close-up lenses, and black and white monitor.

SETUP TIME: 5 min.