我的新玩具 Celestron RASA 6，330mm f/2.2光圈實在夠快，鏡又輕便，不到3.8公斤，這兩個月帶去紐西蘭，及明年3月西藏攝星團帶去用 https://eshop.astro.hk/hk/catalogs/lists?sfor=default&sfna=rasa%206
My new toy, the Celestron RASA 6, very fast at 330 mm f/2.2 and light at under 3.8 kg. I’ll use it in New Zealand this winter and on the Tibet astrophotography trip next March. https://eshop.astro.hk/en/catalogs/lists?sfor=default&sfna=rasa%206

社長