Please note: Last regular shipment before Christmas is on December 19, 2024, after which only express shipments can be sent. Our store is closed on Christmas Eve and New Year's Eve. (Close)
Wolfgang Rohr Dobson with LOMO mirror 15" f/5 380 mm f/1900 mm ) , secondary mirror ( L/10 PV wavefront ) diameter small axis 78 mm = 20 % shading , tube diameter ca 470 mm, , tube length ca 2000 mm, 2" JMI focuser with reduction.
The Dobson with the high quality LOMO mirror got a hard paper tube. This Dobsonian was Wolfgang Rohr's favorite, because he had to build a vertical
I have installed 18 small ball bearings for the vertical rotation. These guarantee me a light and noiseless run.
On 07. January 2007 Wolfgang Rohr measured the optics as follows : 532 nm ( green ) P.t.v. 0,174 ( 1/5.7 ) , RMS 0,034 ( 1/29.3 ) , Strehl 95.5 % .
a detailed description can be found here > http://r2.astro-foren.com/index.php/de/11-beitraege/03-newton-systeme-und-verwandte-fragen/48-drei-hochwertige-dobsons
The Dobsonian can not be shipped, the given price is a pickup price at Mr. Rohr in Hassfurt/ Germany
Item condition: used Item with possible small cosmetic deffect, but every function works perfect
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 SkyQuest XT12i IntelliScope - 12" f/5 Dobsonian Telescope with Object Locato; neve rused, no longer original püacking, pick up only
♦ Dobsonian Telescope with 2" Crayford focuser and reducer to 1,25"
♦ 8x50 Finder
♦ IntelliScope Computer with object locator
Item condition: used Item with possible small cosmetic deffect, but every function works perfect
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.