Visual Dictionary Online

cross section of a reflecting telescope click to hear : cross section of a reflecting telescope

Spiegelteleskop im Querschnitt click to hear : Spiegelteleskop im Querschnitt

cross section of a reflecting telescope image

eyepiece click to hear : eyepiece

Okular click to hear : Okular

concave primary mirror click to hear : concave primary mirror

Hauptspiegel click to hear : Hauptspiegel

secondary mirror click to hear : secondary mirror

Sekundärspiegel click to hear : Sekundärspiegel

main tube click to hear : main tube

Tubus click to hear : Tubus