Lens
Objects
Help

# In the toolbar there are five type of lenses avaiable.

# Drag & Drop the lens to the experiment area to place the lens

# Click on the Object to place the object in experimental area

# You can add upto two lenses , after added two lenses you can replace the lens by dragging the wanted lens near to the existing lens.

# You can Drag the lenses to get ray diagram after adding second lens

# Double click on the lens to remove the lens from the experimental area.

# There are three types of objects are available here Arrow, Triangle and Rectangle