Обзор Canon RF 100-400mm F5.6-8 IS USM

A very impressive full-frame lens at a great price. The zoom range makes it a great choice for those who enjoy sports or wildlife photography, and the small size and lightweight design make it easy to carry around.

To start, let’s look at the size of this lens. At its widest point, the RF 100-400mm f/5.6-8 IS USM measures only 6.5 inches (165 mm) from edge to edge and has a diameter of 3.15 inches (80 mm). It’s also impressively lightweight, weighing just 1.4 pounds (635 grams).

While the 100-400 mm lens does not come with a lens hood, those who want to reduce non-image forming light, such as glare or just want a little more privacy, can purchase the ET-74B for $55. This lens hood is backwards compatible with the EF 70-300 mm f/4-5.6 II USM.To put it into perspective, the professional version of this Canon lens, the RF 100-500 mm F4.5-7.1 L IS USM, is approximately two inches/50 mm longer (physically, not in terms of focal length), and weighs almost 1 kilogram more. Although 100-400 mm may seem like a significant weight, it’s actually quite light and doesn’t require a special tripod.

During assembly, the lens balance is not significantly affected by the standard settings, and the space around the lens is effectively used. The zoom ring is particularly wide, making it easy to grip when capturing an elusive subject that suddenly appears where you didn’t expect it.

There is a focal lock button that prevents the lens from slipping out of the bag, but unlike some other superzoom lenses, it only locks at 100 mm. There is no way to secure the lens at other focal lengths, so it may slide backwards if mounted on a tripod pointing upwards.The lack of weather resistance can be a concern for those who are exposed to inclement weather. Although the image stabilizer has only one mode, it provides stabilization in both rotation and tilt, rather than just tilt like some other lenses. There is also no exposure limiter, which can be helpful if you want to prevent the lens from going through the full range of distortion, perhaps due to weak scattering or when shooting in front of a plane.

However, the RF 100-400 can focus from infinity to 88 centimeters/2.89 feet. The closer it gets to infinity, the more it can focus, and the further it gets, the less it can focus. At 100 millimeters, it can focus at 120 centimeters/3.94 feet; at 400 millimeters, it focuses at only 105 centimeters/34.4 inches.

The RF 100-400 also does not have a fixed aperture, so the aperture narrows when the lens is mounted. At 100 millimeters, the widest aperture available is f/5.6, which is not ideal for telephoto photography, but it is not a major disadvantage.At 400mm, the smallest aperture available is f/8. This may seem small, but it is important for capturing sharp photos. When photographing wildlife, it is recommended to use exposures over 1/500 when using ISO. The exact setting will depend on the specific situation and weather conditions.

We observed several medium-sized red kites. By using the maximum aperture of f/8 at 400 mm and a shutter speed of 1/4000, we were able to capture sharp images with the EOS R6 using ISO 3200. This was possible thanks to the excellent image quality of the camera, which allows for high ISO settings without significant loss of detail.

It is worth noting that the EOS R6 and R5 cameras perform well even at high ISO settings. Shooting with ISO 3200 is not ideal, but it can be done without significant image degradation. However, it is important to consider that the lens aperture may be limited to f/4 when using high ISO values.Otherwise, the lens performs well. It’s incredibly thin but not soft. Barrel distortion is not an issue, and although there is a slight vignetting at large apertures of 100mm, it disappears as soon as the zoom is adjusted. We were pleased to note that there are no chromatic aberrations either.

Image stabilization is impressive – we were able to capture clear images even with a shutter speed of 1/15 and a distance of 400mm. Of course, we recommend using continuous shooting with this shutter speed for better results, but that means this RF 100-400 lens can be used well with prepared subjects if the light is not too bright.

Canon RF 100-400mm f/5.6-8 IS USM sample images:Image 1 of 4: Canon EOS R6 with RF lens 100–400 mm f/5.6–8, at 1/250th of a second at f/8 with ISO 3200. (Image courtesy of Dave Stevenson, TechRadar) Image 2: Canon EOS R6 with the same lens, at 1/4,000th of a second, f/8 and ISO 3,200. Image 3: Canon EOS R6 using the same lens at 1/800th, f/16 and ISO 2,000. And image 4: the same setup as image 3, but at 1/8,000, f/8 and 3,200 ISO.

If you have an adapter for the RF-EF lens mount, there are plenty of other lens options available from external manufacturers. For those who need a longer range, the Sigma 150–600mm lens is worth considering – although it’s significantly longer and has a higher frequency of aperture at the end, it does come with a slight amount of vignetting at larger apertures.If you want to use a standard RF mount, there are options available. For example, if you don’t need a zoom lens, you could choose between the RF 600mm F11 IS STM (approximately 860 pounds / $699 / $1,219) or the RF 800mm F11 IS STM (approximately $1,100 / $1500). Keep in mind that both lenses have a fixed aperture of f/11 and are not ideal for everyone. If you need more versatility, the Canon RF 100-500 mm F4.5-7.1 L IS USM lens is slightly longer, brighter, and weatherproof, although it’s about $2,000 more expensive.

Should you buy the Canon RF 100-400 mm F5.6-8 IS USM? It depends on your needs. If you want a flexible, lightweight lens that’s easy to use and perfect for beginners, then yes. However, if you need more zoom capabilities or weatherproofing, the RF 100-500 would be a better choice.Do you want something lightweight with a reach of up to 400mm? If the weight of your gear is limiting your ability to take wildlife photos, this could be a great option, weighing in at less than 700 grams.

If you’re worried about using an adapter, there are advantages to using RF lenses on RF mounts, such as better alignment and image stabilization between lens and camera.

Don’t be afraid of high ISO values! The small aperture means you’ll need to shoot with higher sensitivity if you want a short shutter speed, but the noise in your pictures won’t be an issue.

With a focal length of 400mm, you have a practical and useful length for super-telephotos, but there are even longer options available. Consider Canon’s low-cost RF fixed lenses or those from other manufacturers using an adapter.

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(16+) Обзор Canon RF 100-400mm f/5.6-8 IS USM

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