The original customer who order this telescope optic, a custommade 14" TMB ( 356 mm F/ 4.272)Triplet apochromatic lens in cell of highest optical quality with excellent superb colorcorrection, delayed now for the third time the final payment. He promissed a next payment date for march 7 , its a Korean Company. Since we do not trust anymore that payment offers, our international lawer informed us, if we want we can offer the lens to the market and if we get not enough money, the customer will loss his complete deposit.The customer ignored till today our warnings, so we offer now this lens in cell to the market.
So we offer this lens in cell for an starting price of US $ 42,000 EX Germany. We take offers till March 1 and selling the lens to the highest offer. European customers have to add our importcost of 6.7% customs and 16% salestax, US $ customers have to pay here own countrytax ( as far as we know its about 2.5% )
The interferometrical testreport states follow optical quality:
wavefreont p.t.v. 0.195
wavefront RMS 0.033
Strehlratio : 95.7 %
all meashured with Twymann Green-Interferometer
For interested customers we can offer the spotdiagrams for diffrent wavelenghtes to show the fantastic colorcorrection.
This lens is one of the biggest Apos in the world .
In case you are interested to buy the lens, but have a problem to get a nice tube made, we can offer you our service.
serious inquierys only, please