Visual Dictionary Online
Deutsch
QA International
QA International
Highlights
Contact Us
Privacy Policy
Terms of Use
The Bildwörterbuch
Overview
Behind the Bildwörterbuch
History
International
Help
Games
Games Of The Week
Put it in its place
Listen Up
Archive
Tools
Blog This
Theme
astronomy
Earth
vegetable kingdom
animal kingdom
human being
food and kitchen
house
do-it-yourself and gardening
clothing
personal adornment and articles
arts and architecture
communications and office automation
transport and machinery
energy
science
chemistry
physics: mechanics
physics: electricity and magnetism
physics: optics
measuring devices
scientific symbols
society
sports and games
Your feedback
Help
HOME
::
science
::
physics: optics
science
physics: optics
wave
electromagnetic spectrum
pulsed ruby laser
telescopic sight
prism binoculars
color synthesis
additive color synthesis
subtractive color synthesis
vision
normal vision
vision defects
lenses
converging lenses
diverging lenses
magnifying glass and microscopes
magnifying glass
microscope
binocular microscope
electron microscope elements
cross section of an electron microscope
Powered by ikonet.com
© QA INTERNATIONAL 2025
