Certified Refurbished
![[Refurbished] Zenithstar 61 II](http://williamoptics.com/cdn/shop/files/Z-61-II-perspective-1-gold.jpg?v=1708437295&width=2400)
![[Refurbished] Zenithstar 61 II](http://williamoptics.com/cdn/shop/files/Z-61-II-perspective-1.jpg?v=1706492514&width=2400)
[Refurbished] Zenithstar 61 II
促銷價$399.00 USD
原價$498.00 USD
紅貓 61 WIFD
促銷價$1,038.00 USD
原價$1,098.00 USD
![[Refurbished] RedCat 51 MK2.5](http://williamoptics.com/cdn/shop/files/Redcat-51-IIU-pers-1.jpg?v=1731395719&width=2400)
![[Refurbished] RedCat 51 MK2.5](http://williamoptics.com/cdn/shop/files/Redcat-51-IIU-pers-3.jpg?v=1731395731&width=2400)
[Refurbished] RedCat 51 MK2.5
促銷價$598.00 USD
原價$865.00 USD
![[Refurbished] Fluorostar 120](http://williamoptics.com/cdn/shop/files/FLT-120-pers-1.jpg?v=1712569661&width=2400)
![[Refurbished] Fluorostar 120](http://williamoptics.com/cdn/shop/files/FLT-120-pers-2.jpg?v=1712569661&width=2400)
[Refurbished] Fluorostar 120
促銷價$2,498.00 USD
原價$3,298.00 USD
![[Refurbished] MiniCat 51 WIFD](http://williamoptics.com/cdn/shop/files/minicat-pers-1.jpg?v=1724987710&width=2400)
![[Refurbished] MiniCat 51 WIFD](http://williamoptics.com/cdn/shop/files/minicat-pers-3.jpg?v=1728808734&width=2400)
[Refurbished] MiniCat 51 WIFD
促銷價$798.00 USD
原價$898.00 USD
![[Refurbished] Cat 91 WIFD](http://williamoptics.com/cdn/shop/files/Cat-91-WIFD-pers-1.jpg?v=1745983731&width=2400)
![[Refurbished] Cat 91 WIFD](http://williamoptics.com/cdn/shop/files/Cat-91-WIFD-pers-3.jpg?v=1745983731&width=2400)
[Refurbished] Cat 91 WIFD
促銷價$2,398.00 USD
原價$2,598.00 USD
![[Refurbished] Ultra-Cat 108](http://williamoptics.com/cdn/shop/files/C-108-pers-1.jpg?v=1744703888&width=2157)
![[Refurbished] Ultra-Cat 108](http://williamoptics.com/cdn/shop/files/C-108-pers-3.jpg?v=1749700266&width=2400)
[Refurbished] Ultra-Cat 108
促銷價$3,248.00 USD
原價$3,598.00 USD
天頂星 81 WIFD
促銷價$648.00 USD
原價$999.00 USD
昴宿星團 111
促銷價$3,399.00 USD
原價$3,798.00 USD
紅貓 71 II
促銷價$998.00 USD
原價$1,398.00 USD
![[Refurbished] Pleiades 68 Astrograph](http://williamoptics.com/cdn/shop/files/Pleiades-68-perspective-1.jpg?v=1708502606&width=2400)
![[Refurbished] Pleiades 68 Astrograph](http://williamoptics.com/cdn/shop/files/Pleiades-68-perspective-3.jpg?v=1708501362&width=2400)
[Refurbished] Pleiades 68 Astrograph
促銷價$1,599.00 USD
原價$1,998.00 USD