As diverse as astronomy is, as diverse are the accessories for telescopes and mounts. Whether for visual observation a prism or a Barlow lens, adapters and corrective optics for cameras - here you will find all the necessary "small parts" to set up and adjust your dream system.
Wichtiger Hinweis zur Mehrwertsteuer: Dieses Angebot unterliegt mit Ausnahme der Versandkosten gemäß § 25a UStG der Differenzbesteuerung, weshalb auf den angebotenen Artikel keine Umsatzsteuer erhoben und ausgewiesen wird.
Orion tube rings - aluminium - for tubes with D=100 mm Stable tube mounting rings with hinge The rings have a flat support surface on both sides. At the base of the rings there is an M6 female thread for attachment to a dovetail bar or to the top plate of the mount. On the opposite side of one ring you will find a female thread (1/4" photo thread), on the one of the other a male photo thread with counter ring for attaching a camera. The rings have a felt lining to protect the telescope tube.
Glas FK61 (similar to Ohara FPL51), has blackenededges, a measured transmission von over 99% from 400 nm to 700 nm, optimized for F/4 Newtonian-Telescopes. The barlow has a negative focal length of - 62.9 mm and a working backfocuse of 105 mm from center last lens to focuse ( eyepiece field stop). You will need now a 1.25" eyepiece holer 104 mm long