Orion UK
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Elliptical secondary flat for Newtonian telescopes with 150 mm diameter minor axis and 97 % coating.
Elliptical secondary flat for Newtonian telescopes with 160 mm diameter minor axis and 97 % coating.
Elliptical secondary flat for Newtonian telescopes with 170 mm diameter minor axis and 97 % coating.
High quality and precise 6" f/8 parabolic primary from Orion UK with 1/10 Lambda PTV.
High quality and precise 8" f/4.5 parabolic primary from Orion UK with 1/6 Lambda PTV.
High quality and precise 8" f/4.5 parabolic primary from Orion UK with 1/8 Lambda PTV.
High quality and precise 8" f/4.5 parabolic primary from Orion UK with 1/10 Lambda PTV.
High quality and precise 8" f/6 parabolic primary from Orion UK with 1/6 Lambda PTV.
High quality and precise 8" f/6 parabolic primary from Orion UK with 1/8 Lambda PTV.
High quality and precise 8" f/6 parabolic primary from Orion UK with 1/10 Lambda PTV.
High quality and precise 8" f/8 parabolic primary from Orion UK with 1/8 Lambda PTV.
High quality and precise 8" f/8 parabolic primary from Orion UK with 1/10 Lambda PTV.