Transit of mercury › Forums › Mercury › Transit of Mercury › Transit of mercury 12 November 2019 at 5:07 am #581580 Derek RobsonParticipant I decided to try for it. Taken with a DSLR 70-300 mm lens set at 300 mm f5.6, with an aluminised Mylar filter I’d made for the total solar eclipse in 1999. Taken through a double glazed window, with a towel over my head to see the live screen.
I decided to try for it.