Optically true glass with scratch-resistant, copper back silvering (appears red). Use convex mirrors produce virtual images and concave mirrors to produce real images. Demonstrate object reflection and formation. Great for STEM activities in the classroom, home school and science fairs.

FEATURES:

• 50 mm Diameter
• 100 mm Focal Length
• Demonstrate reflections an formation of images
• Determine how an image is reflected in a convex mirror