Canon EF 600mm F 4L IS II USM Review | 54 Data compared

The Canon EF 600mm f/4L IS II USM is an elite, professional-grade super-telephoto lens, praised for delivering exceptional image quality, sharpness, and rapid autofocus, even at its maximum aperture. It features two fluorite elements to minimize aberration, improved 4-stop image stabilization, and a 27% weight reduction compared to its predecessor for enhanced portability. However, the lens is characterized by its extremely high cost, acting as a major barrier for entry, and it remains a heavy, physically demanding piece of equipment for handheld use. Its massive physical design also makes it highly susceptible to atmospheric heat haze, and it requires specialized 52mm rear drop-in filters instead of front filters.

The Canon EF 600mm f/4L IS II USM is an elite super-telephoto prime lens built like a tank for wildlife and sports photographers, delivering top-tier sharpness straight from its maximum f/4 aperture. Its high-end optical design completely eliminates distortion and boasts exceptional tolerance to chromatic aberration, resulting in zero visible color fringing. The autofocus system operates exceptionally fast and quietly, introducing a dual-speed "Power Focus" mode for video, four focus hold buttons, and a focus preset ring. Furthermore, its advanced image stabilization features three distinct modes optimized for tripods, panning, and irregular movements. However, the lens comes with several noteworthy drawbacks, starting with its massive $13,000 price tag and a staggering replacement cost of nearly $750 for the plastic lens hood alone. Despite being 27% lighter than its predecessor, it remains a heavy beast at over eight pounds, measuring more than 17 inches long, which makes heavy tripod use mandatory to prevent camera mount strain. Optical performance drops at small apertures, showing generalized softness at f/32 due to diffraction limiting. It is also poorly suited for close-ups, offering a weak...

The Canon EF500mm f/4L IS II USM and EF600mm f/4L IS II USM are exceptional super-telephoto lenses that rank among the top six best performing telephoto primes tested on the EOS 5D Mark III. Both lenses achieve high DXOMARK scores—with an overall rating of 25 for the 500mm model—delivering virtually perfect, uniform sharpness from the center to the edge across all apertures, even when shot wide open at f/4. Optically, they exhibit flawless performance with zero distortion, minimal light loss, and imperceptible chromatic aberration, with the 600mm version showing a fractionally higher sharpness score of 20P-Mpix and slightly better aberration control than the 500mm version. The major advantage of these lenses lies in their professional-grade, durable build quality and outstanding optical performance that far exceeds competing alternatives for the Canon mount. Furthermore, they are significantly lighter than their predecessor models. On the downside, both units remain inherently heavy items to carry and require a massive financial investment, though the high cost is typical for top-tier gear in this focal range.

In this field review, photographer Ryan Dorling highlights his transition from the older 500mm version one lens to the second-generation Canon EF 600mm f/4 L IS II USM. The author praises the lens for its absolute pros, which include astonishing sharpness, pristine image clarity, and spectacular background bokeh. He finds the build to be exceptionally functional for wildlife photography, notably because it gains 100mm of extra reach while maintaining a weight profile (8.65 lbs) nearly identical to his old 500mm. Thanks to upgraded glass layout, the weight is remarkably well-balanced across the barrel, making it feel much lighter in the hands than expected. Furthermore, autofocus remains lightning-fast, and the optical performance is so robust that the lens retains perfect image quality even when paired with a 1.4x teleconverter at f/8. The primary cons and limitations mentioned are inherent to its specialized nature and product lifecycle. Despite being lighter than the massive 11.83-lb first-generation 600mm, it is still a large prime lens that requires a hefty financial budget. The author notes that Canon has since released a Mark III variant, which...

The Canon EF 600mm f/4L IS II is a high-end super-telephoto lens designed for professional wildlife and sports photographers who require exceptional focal length and background isolation. Reviewer Glenn Bartley highlights that the Series II upgrade brings massive physical enhancements over its predecessor, utilizing a magnesium and titanium alloy shell that slashes the weight by over three pounds to 8.65 lbs. Additionally, the minimum focusing distance has been shortened by 3.27 feet to 14.77 feet, providing a significantly higher magnification factor (0.15x) that allows photographers to fill the frame with small, skittish subjects like birds without relying heavily on teleconverters. The lens delivers astonishing, best-in-class optical sharpness across all apertures and features an upgraded 4-stop Image Stabilization system with a new Mode 3 for panning, alongside a "power focus" mode optimized for video pull focus. The core advantages (pros) of this lens include its incredibly fast and silent autofocus, robust weatherproofing, smoother tripod collar, improved center-of-gravity balance for brief handheld shooting, and the dramatic reductions in weight and close-focus distance. On the downside, the primary drawbacks (cons) are its shockingly...