The lens also has a built-in hood and a detachable tripod mount. Buy Canon EF 400mm f/5.6L USM Lens at Amazon, B&H, Adorama. 4. Canon EF 300mm f/4L IS USM Lens. The Canon 300mm F/4L is commonly used for Landscape/scenery, Macro photography, Sports/action, Travel, Wildlife, Wildlife photos and more.
The 300mm is extremely sharp. I just love that lens. Current new prides; Canon EF 100-400mm f/4.5-5.6L IS II USM Lens $2100. Canon EF 300mm f/4L IS USM Lens $1350. Canon EF 400mm f/5.6L USM Lens $1150. Canon Extender EF 1.4X III $425. Prices are off the top of my heard but I believe they are pretty close.

Canon EF 600mm F/4 L (the original heavy one w/ no IS) w/ Canon 2x teleconverter III, mounted to Canon R6 (effective focal length 1200mm). Shot at ISO 3200 F/8 1/3000 second handheld. Subject is

2x increase of the lens's focal length; Dustproof and waterproof specifications (JIS 2 equivalent) Lens placement and coatings are optimized to minimize the ghosting; Built-in microcomputer in the extenders enables communication between lens, extender and camera
Canon. Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses; Canon EF 2.0X III Telephoto Extender for Canon Super Telephoto Lenses; Nikon. Nikon AF-S FX TC-14E III (1.4x) Teleconverter Lens with Auto Focus; Nikon Auto Focus-S FX TC-20E III Teleconverter Lens with Auto Focus; Nikon AF-S FX TC-17E II (1.7x) Teleconverter Lens . 98 134 419 310 399 1 439 6

canon extender ef 2x iii compatible lenses sigma