我的新玩具 Celestron RASA 6，330mm f/2.2光圈实在够快，镜又轻便，不到3.8公斤，这两个月带去纽西兰，及明年3月西藏摄星团带去用 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

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