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refracting telescope click to hear : refracting telescope

Optical instrument that uses an objective lens to observe celestial bodies.
refracting telescope image
achat d'image achat d'image

See refracting telescope in : french | spanish
dew shield star diagonal focusing knob altitude fine adjustment fork declination setting scale azimuth clamp altitude clamp right ascension setting scale counterweight tripod tripod accessories shelf azimuth fine adjustment eyepiece holder cradle main tube finderscope eyepiece

dew shield click to hear : dew shield

Device placed in front of the objective to limit stray light and condensation.

star diagonal click to hear : star diagonal

Part serving to deflect the light toward the eyepiece, thereby providing a comfortable observation position.

focusing knob click to hear : focusing knob

Adjusting device that makes it possible to obtain a clear image of the object.

altitude fine adjustment click to hear : altitude fine adjustment

Fine-tuning device serving to position the telescope vertically.

fork click to hear : fork

Mount with dual forks used to secure the telescope to the tripod.

declination setting scale click to hear : declination setting scale

Graduated disk indicating the declination of the celestial body observed.

azimuth clamp click to hear : azimuth clamp

Clamp serving to lock the telescope along its horizontal axis.

altitude clamp click to hear : altitude clamp

Clamp serving to lock the telescope along its vertical axis.

right ascension setting scale click to hear : right ascension setting scale

Graduated disk indicating the right ascension of the observed celestial body.

counterweight click to hear : counterweight

Weight equal to that of the telescope; makes it possible to balance the whole.

tripod click to hear : tripod

Stable three-legged stand of variable height.

tripod accessories shelf click to hear : tripod accessories shelf

azimuth fine adjustment click to hear : azimuth fine adjustment

Fine-tuning device serving to position the telescope horizontally.

eyepiece holder click to hear : eyepiece holder

cradle click to hear : cradle

Part that tightens around the main tube to secure it to the base.

main tube click to hear : main tube

The barrel of a telescope housing the optical system; light rays travel through the main tube.

finderscope click to hear : finderscope

Small low-magnification telescope with a wide field of view; serves to locate celestial bodies.

eyepiece click to hear : eyepiece

Lens or system of lenses meant to magnify the image when placed before the eye.