telescope
望遠鏡
Airmass
Amateur telescope making
Angular resolution
ASCOM open standards for computer control of telescopes
Bahtinov mask
Bioptic telescope
Carey mask
Dew shield
Dynameter
f-number
First light
Hartmann mask
Keyhole problem
Microscope
Planetariums
Remote Telescope Markup Language
Robotic telescope
Timeline of telescope technology
Timeline of telescopes, observatories, and observing technology
https://source.unsplash.com/featured/?telescope#.png
/suto3/google.icontelescope
/suto3/Google画像検索.icontelescope
/suto3/Google定義検索.icon telescope
/suto3/wikipedia.icontelescope
/suto3/weblio.icon telescope
/suto3/kotobank.icon telescope
/suto3/jisho.icon telescope