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PROFESSIONAL TELESCOPES – Officina Stellare

A great choice for beginners, this 70mm refractor telescope will introduce you to the wonders of the night sky 70mm (2.75) aperture and 700mm focal

Orion Observer II 70mm Altazimuth Refractor Telescope for Beginner Stargazing - Ideal First Telescope Gift for Adults and Families

Buy Refractor Telescopes at Astronomics

Orion Observer 80ST 80mm Equatorial Refractor Telescope

Celestron 8 Rowe-Ackermann Schmidt Astrograph (RASA 8) Optical Tube A

Refracting Telescopes – FarpointAstro

Télescope Astronomique, 70 mm Portable Réfraction Télescope avec Trépied en Aluminium Réglable, Facile à Monter et Utiliser, Idéal pour Les Enfants et Adultes, Observer des Etoiles, Lune, Paysage : : High-Tech

RYRDWP Adult Astronomical Telescope Professional Refracting Telescopelarge

Telescopes, explained by RP; operation principle, refractors, reflectors, aberrations, angular resolution, magnification, field of view, light gathering power, astronomical, terrestrial