The Canon USA store has stock of the always hard-to-find Canon RF 100-500mm f/4.5-7.1L IS USM. Act quickly if you're interested, these never last long.
Canon RF 100-500mm f/4.5-7.1L IS USM Key Features:
- High Performance L-series versatile Super-Telephoto Zoom RF Lens
- Optical Image Stabilization with up to 5 stops of Shake Correction
- High Speed, Smooth and Quiet Auto Focus with Dual Nano USM
- Minimum Focusing Distance of 2.95′ (0.9m)
- 12 pin Communication System
- Dust and Weather-resistant with Fluorine Coating
- One Super UD and Six UD Lens
- Zoom Focal Length: Focal Length: 100-500mm
Canon RF 100-500mm f/4.5-7.1L IS USM $2699
Actually, shows as in stock in the cart for me, now. Regardless, mine should be here next week.
Update #2 -- B&H has now marked the lenses as shipped and added the tracking number. Maybe supply chain issues may finally be ending.
I also hope this means early, decent R3 availability.