Category
page 1Refracting telescopes
refracting telescope
type of optical telescope
spotting scope
small telescope, often used for studying birds and nature in daylight

monocular
thumb|200px|right|Galilean type Soviet-made miniature 2.5 × 17.5 monocular
thumb|200px|right| Diagram of a monocular using a Schmidt-Pechan prism:
1 – Objective lens 2 – Schmidt-Pechan prism 3 – Eyepiece
achromatic telescope
type of refracting telescope