[Breakthrough X4 82mm CPL - 攝影界最 colour neutral 的 CPL]
100% New
如圖包裝膠及 Seal 仍在
Breakthrough 網站買左3 個filter 後只拆了一個用 故放售
Breakthrough 網站售USD$159
折合港紙約HKD$1240
時或顯示無貨需 Backorder
現低於市價出售
更免卻自行購買之信用卡及銀行手續費 即再節省最多4%
亦無需苦等2-3星期船期

另, 尚有另一52mm 出售 (送數個轉接至52mm 環)
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[Breakthrough X4 82mm CPL - 攝影界最 colour neutral 的 CPL]
有25年保養:
What’s your support period?
We stand behind each and every filter with our 25 Year Ironclad Guarantee. And yes, we actually mean 25 years!


市場上最 colour neutral 的 CPL：

Q: Is there any vignetting on your filters?
A: No! We have designed the X1, X2 and X4 filter lines to have no vignetting down to 16mm on a full-frame setup.

詳細 testing 可參考:
1) Breakthrough 官網 X4 CPL 介紹:
https://breakthrough.photography/products/x4-circular-polarizer?variant=31547348433

2) Breakthrough 官網 FAQ:
https://breakthrough.photography/pages/faqs

3) Review: Breakthrough Photography X4 Circular Polarizer:
http://www.thephoblographer.com/2016/07/11/review-breakthrough-photography-x4-circular-polarizer/amp/

4) Breakthrough photography X4 circular polariser and 6 stop X4 ND review：
http://www.davidclapp.co.uk/blog/view/breakthrough-photography-x4-circular-polariser-and-6-stop-x4nd-review