Second hand but in excellent condition. The lens is lovely and clean. Comes complete in the original bolt case. This is used to reduce the focal ratio of F/10 SCT telescopes down to F/6.3 for a faster system for imaging.
Here we have a very high quality secondhand Celestron 6.3 focal reducer made in Japan. Japanese production 6.3's are superior made to the current chinese production. Excelent Optics and cosmetic condition.