optical telescope

telescope which is used to focus light from the visible part of the electromagnetic spectrum

en-GB/ˈɒptɪkəl ˈtɛlɪˌskəʊp/
en-US/ˈɑptɪkəl ˈtɛlɪˌskoʊp/

دسته بندی ها:

scientific instrumenttelescope