The Nikon Z 100-400 f/4.5-5.6 S – My Most Essential Lens

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This article shares my experience using the versatile Nikon Z 100-400mm f/4.5-5.6 S lens. I won’t discuss performance in numerical terms, or detail its dimensions and physical characteristics. You can find that helpful information in the original Photography Life review (here). Instead, I’ll focus on how and why this lens has become essential to my photography after nearly three years of usage.

Focal Length

The first and most important feature, and my motivation for purchasing the lens in the first place, is its versatility in focal length. Switching from 100mm to 400mm focal length instantly helps to compose very different images, from Animalscapes (see my recent article here) to wildlife portraits. This flexibility becomes invaluable in adverse weather or dusty environments, allowing you to change compositions without swapping lenses.

Chamois in the snowNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 240mm, ISO 450, 1/500, f/8.0

When paired with the Nikon Z 24-120mm f/4 lens, another remarkable lens I will discuss in a future article, this combination of focal lengths forms a versatile kit for nature photography. I once read an interview with a well-known wildlife photographer who advised “just” investing in a 24-105mm or 24-120mm lens along with a 100-400mm lens instead of saving for a longer lens. They argued that the money might be better spent on trips to wildlife-rich locations.

While I find that perspective a bit extreme, and I’m a pretty happy owner of a marvelous 600mm f/4 lens, I can’t deny that many of my photos fall within the 24 to 400mm range. Having this essential range well-covered allows me to concentrate on photography without any fear of equipment-related errors, and the photos I’ve taken with this 100-400mm are no slouch compared to those I take with the 600mm f/4.

But back to the Z 100-400mm lens, I’ve found that to use it effectively, it’s beneficial to take a moment to “see” and “imagine” potential images in the scene around me before peering through the viewfinder.  This practice helps me avoid getting lost in the details and preserves my broader vision of the scene.

Maybe this is related to my love for shooting Animalscapes, but it was an epiphany when I realized this small truth: You can find better and more diverse compositions by looking with your eyes only.

Chamois with trees and cloudsNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 100mm, ISO 500, 1/500, f/8.0

Optical Qualities

The autofocus on the Nikon Z 100-400mm f/4.5-5.6 is fast and precise. The maximum aperture is a little narrow at 400mm, which makes low-light photography a little harder (especially compared to an exotic 400mm f/2.8 but even compared to a 400mm f/4.5). But in any daylight hours, I have never had trouble capturing even the fastest subjects with this lens. In these everyday conditions, it focuses as quickly as exotic primes.

Golden eagleNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 400mm, ISO 80, 1/2000, f/5.6
Ibex fightingNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 105mm, ISO 2000, 1/2000, f/8.0

Additionally, the vibration reduction on this lens is highly effective. It works especially well in tandem with the camera’s in-body image stabilization. But all this alone would not be enough if the other optical quality was lacking. The Nikkor 100-400mm does not disappoint here; it is very sharp at all focal lengths, giving up a little only at 300-400mm, and nothing that harms the result.

Although not at the level of faster and brighter lenses, the bokeh is all right, too. In this regard, it’s important to remember that the bokeh is influenced more by the relative distances between the photographer, subject, and background than by your choice of aperture. Therefore, it is the photographer who, by choosing the best shooting point, can make the out-of-focus background creamier.

Ibex and bokehNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 220mm, ISO 500, 1/800, f/5.0

However, a 70-200mm f/2.8 in challenging shooting situations can produce better out-of-focus rendition. But it stops at 200mm… and if you attach a teleconverter, you get worse results than what you could achieve with the 100-400mm f/4.5-5.6, both in sharpness and bokeh.

Where image quality is concerned, I also find the 100-400mm plenty sharp enough even for landscape photography. In fact I quite like this longer perspective on natural landscapes. I enjoy the long focal length both to magnify detail and to compress the scene.

WaterfallNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 230mm, ISO 64, 1/100, f/8.0
Tree and mountainsNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 135mm, ISO 64, 1/250, f/8.0

Other Features

One of the main reasons why the 100-400mm has become my go-to lens is that it is very durable and professional, and it can withstand extensive abuse without any issues. As you’ve seen from my photos, I am often shooting in very cold, snowy, or misty environments and have had gear fail on me in the past. The Z 100-400mm feels confident and reassuring in comparison.

Big male ibexNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 100mm, ISO 500, 1/320, f/11.0

This lens is full of surprises and has a hidden feature: it can focus very closely, making it suitable for close-up photography, especially for subjects that need a bit more distance than a 105mm macro lens provides. While it may not match the exceptional performance of the Nikon Z MC 105mm f/2.8 Macro at close distances, it comes very close and is worth trying out!

Damsels matingNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 400mm, ISO 64, 1/250, f/8.0
ViperNIKON Z 9 + NIKKOR Z 100-400mm f/4.5-5.6 VR S @ 400mm, ISO 250, 1/400, f/11.0

I mentioned that this lens has earned a permanent spot in my backpack. I always take it on my mountain trips, either in a neoprene tube or mounted on my Nikon Z9 and stored in a LensCoat BodyBag Pro Sport. While “moving and shooting,” I often attach the lens to my backpack using a BlackRapid Backpack Breathe camera strap or a Peak Design Camera Clip. When traveling, it’s always with me as a companion to my 600mm f/4 lens.

Conclusion

Do I think this lens is perfect? While no lens can be considered perfect, the 100-400mm lens comes very close to being the ideal wide-range telephoto zoom. It is probably Nikon’s best supertelephoto zoom, significantly surpassing the previous 80-400mm AF-S VR. (I don’t count the spectacular 120-300mm f/2.8 and 180-400mm f/4, which are in a different league for weight, luminosity, and price).

In my experience and to my tastes, its usefulness outperforms the newer Nikon Z 180-600mm f/5.6-6.3 VR. My comparison isn’t about different performance levels, but rather about the focal lengths. The ability to zoom out to 100mm means that the 100-400mm is a different kind of lens than the 180-600mm. Even though some wildlife photographers may struggle to choose between them, I do not view these two lenses as overlapping. To me, there is only one answer if you want to take both “wide” wildlife shots and portraits, and it’s the 100-400mm f/4.5-5.6.

I hope you found this essay about the value of the Nikon Z 100-400mm f/4.5-5.6 VR S lens in my wildlife photography enjoyable. Even though I’m a Nikon shooter and love the Z 100-400mm specifically, I am sure that I would be just as happy with Sony’s 100-400mm f/4.5-5.6 if I shot with Sony, and Canon’s 100-500mm f/4.5-7.1 if I shot with Canon. As someone who likes to photograph large mammals, this type of lens suits my style of wildlife photography perfectly, and it has become my most essential lens!

If you have any questions or feedback, please don’t hesitate to leave them in the comments section below.

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