本社為Celestron HyperStar 6 & 8攝影修正鏡特別開發了分拆式魚骨對焦板，是拍攝深空天體精確對焦不可或缺的工具，簡單易用。對焦板以十分耐用的PVC物料製作，附送錐型矽膠塞，方便裝拆及固定。

對焦板分別定價港幣60及80元。現更推出特別優惠，凡購買Celestron HyperStar 6 & 8攝影修正鏡即免費附送相應分拆式魚骨對焦板一對。

Galaxy Scientific Group Split Bohtinov Focusing Mask for HyperStar 6

https://www.astro.hk/catalogs/products/id/483

Galaxy Scientific Group Split Bohtinov Focusing Mask for HyperStar 8

https://www.astro.hk/catalogs/products/id/484

Our group has developed split Bohtinov focusing masks, especially compatible with Celestron HyperStar 6 & 8 correctors. They help much in focusing for deep-sky imaging and are easy to use. The masks are made of durable PVC materials and come with pair of silicone plugs, which facilitate the assembly, disassembly and fixation.

The prices of the masks are HK$60 and HK$80 respectively. While a special offer is now available – get the corresponding pair of split Bohtinov focusing masks for free upon purchase of Celestron HyperStar 6 & 8 correctors.