this is an original Aries Instr. Co. optical tube , made a few years ago and sold to an dealer who still have it in stock in japan. Now he asked us to sell this telescope.
We self tested such telescopes before we shipped it to the dealers. The colorcorrection is as good as an apo can be made, colorfree!
The tube is an aluconstruction with an 4" focuser and adapter 4"/2", as well as tuberings.
Its an Showroom model and was never sold to an customer. The Telescope comes include interferometrical testreport.
The cell design is an compensation cell. The Calzium Fluorite lens is the inner lens covered by 2 hard outer lenses. The triplet is oilspacest, the front and rear lens are multicoated
Asking price US $ 7,900 plus shipping from japan to your country
Only about 5 such longer focuser samples have ever been made by Aries