All about lenses visit compiled by Mr G July 2008.

All about lenses

visit http://goes.flexinet.com.au/default.htm

compiled by Mr GJuly 2008

http://www.heussneroptics.com/Convex%20Lenses%20-%20Icon.jpg

Describe the shape of typical convex lenses

How are convex lenses used?

http://i.pbase.com/u40/tkt/large/40599248.LighthouseLamp.jpg

http://images.asia.ru/img/alibaba/photo/51637706/Microscope.jpg

http://farm1.static.flickr.com/14/19726818_0e768be01d.jpg?v=0

How are convex lenses used?

Typical convex lens diagrams

COPY THIS

Find the focal length of these lenses?, MOVE THE RULER

Copy these 3 eyes down the LHS edge of your page

Find a ruler

and then complete this picture ?????

Typical convex lens diagrams

How do they work?

imagine that you can chunk the convex lens into 3 sections

like this...

How do they work?

rotate the prism just a bit....

How do they work?

How do they work?