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.