If you’re looking for an interesting fast lens for astrophotography the Mitakon Zhongyi Speedmaster 20mm f/0.95 might be a good option for you. This lens was announced earlier this year on FujiAddict, but preorders only just started at B&H Photo. Lens configuration/MTF diagram Sample more Samples↓ https://stkb.co.jp/info/?page_id=27982 via FujiAddict