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Auction #4771
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| Auction No.: |
4771 |
| Started: |
12/5/2008 9:19 AM |
| Ended: |
12/10/2008 9:19:57 AM |
| Ending Bid: |
No Bids Received |
| Bids: |
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1004 |
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Carl Zeiss aus Jena made triplet airspacest astronomical apochromatical lens in cell
- clear diameter of the objective is 180 mm = 7.1"
- F-ratio F/17.5
- Focallength 3331 mm
Interferometrical Tested as follow :
- testing wavelength 532 nm
- wavefront p.t.v.: 1/6.60
- wavefront RMS: 1/38.40
- Strehlratio : 97.33 %
condition : mind
the optics is a extrem well colorcorrected highest quality real apochromatic objective
good luck in the auction
Markus Ludes
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