The optical tubes using TMB achromatic lenses with same quality. The tubes itself are made from aluminum with a 2.7” focuser, a adapter 2.7”/2” and 2”/1.25”, a set of tuberings and a 50 mm finderbracket, but no finder and interf. Testreport ( warranteed quality for green wavelenght : 1/6 wavefront p.t.v. and 96% strehlratio).
tube lenght: 1380mm
tube diameter: 156mm
weight: about 11Kg.
Price include shipping to your door US $ 1,290
Delivery time : 3~4 month
Orders accepted with an 50% deposit now