Announced July 9, 2020
Marketed August 2020
Original Price $2699.00
Price as of September 1, 2021 $2799.00
Price as of February 1, 2022 $2899.00
Item Code: 4112C002AA
Serial #0414001200
Lens Firmware Ver. 1.1.0
Lens Construction 20 elements in 14 groups
No. of Diaphragm Blades 9
Maximun Aperture f/4.5 100-150mm
f/5 151-253mm
f/5.6 254-362mm
f/6.3 363-471mm
f/7.1 472-500mm
Minimum Aperture 100mm: 32
500mm: 51
Closest Focusing Distance 100mm: 2.95 ft. / 0.9m,
300mm: 3.28 ft. / 1m,
500mm: 3.94 ft. / 1.2m
Maximum Magnification 100mm: 0.12x
500mm: 0.33x
Image Stabilization 5 Stops
Filter size 77mm
Size Diameter x Length Shortest (wide): Approx. 3.69 in x 8.17 in. / 93.8mm x 207.6mm
Longest (tele): Approx. 3.69 in x 11.71 in. / 93.8mm x 297.6mm
Weight 3.01 lbs. / 1365g (No tripod mount)
3.36 lbs. / 1525g (With tripod mount)
0.35 lbs. (5.6 oz) / 160g (Tripod Mount Ring F (WIII) only)
Lens Hood ET-83F(WIII)
Lens Case LZ1328

Wimberley AP-607 Lens Plate Weight 1.95 oz / 55.3g

The RF 100-500 physically prevents an extender from being mounted behind it at focal lengths below 300mm and the lens cannot fully retract for storage while an extender is mounted.
Canon RF 1.4x Extender behind the RF 100-500 creates a 420-700mm f/8-10
Canon RF 2x Extender behind the RF 100-500 creates a 600-1000mm f/11-14

Ordered new from Adorama February 28, 2021 $2,699.00
Received May 20, 2021