On July 27th, I was out taking photos and filming the moonrise behind a tower called Arctura here in Östersund, Sweden. My setup was two cameras: a Nikon D500 with my Nikon AF-S 600mm f/4 D IF-ED II lens filming in 4K and my Nikon D850 with a Nikon AF-S 300mm f/4E PF ED VR and Nikon AF-S TC-20E III teleconverter for still photos. When filming in 4K with my Nikon D500, I have a 2.25 crop factor so using…