Quadruplet ED Super Reducer

Current production batch has been sold out last week. Next lot is expected next spring. I try it will become available earlier than that. Anyway, this super reducer is temporarily out of stock for the time being. Accordingly, there are no astrographs using with 7704. This super reducer is, yes, expensive. But It’s really superior optical performance. 1st production lot was several year ago. Still there is the firm demand from high-end users. Thank you very much!! Fortunately people is getting to realize the correction lens is as important factor as the objective for total imaging performance. I’m not sure how many lots were made already. But optically and mechanically well-designed system doesn’t get obsolete at all. Still advanced and unique –  even no similar in the market.

 

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~ by tedishikawa on December 5, 2011.

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