In addition to the new EOS R mirrorless camera (Adorama, B&H, Amazon), the new Canon EF 400mm and 600mm Mark III lenses are now also open for pre-order in the US:
Additional information from the press release:
Both lenses feature two of Canon’s most advanced propriety lens technologies - Air Sphere Coating (ASC) and Super Spectra Coating (SSC), helping to reduce flaring and ghosting, and suppressing the reflection of light, leading to vivid images. In addition, the minimum focusing distance has been improved for both lenses, from 2.7m to 2.5m (8.8ft to 8.2ft) for the EF 400mm f/2.8L IS III USM and 4.5m to 4.2m (14.8ft to 13.8ft) for the EF 600mm f/4L IS III USM. Additional noteworthy features of the lenses include: