Finally, very first 800mm Full frame zoom lens available on my hand and very soon delivery to end user … just a some of my thoughts before my first impression of the lens. Part1 – F7.1 – F.63 Know what (20231214) Part2 – Physical different (20231214) Part3 – field test Full Size Jpeg sharing (20240113) … Continue reading First Full frame Zoom 800mm – RF200-800mm f6.3-9 IS USM – real field test .. (continue updating 20240212)