Best 100-400mm Lenses of 2026

Updated September 27, 2026 5 products compared

The first time I shot a middle-school soccer game from the bleachers, my 70–200mm came up short on every play at the far end, and I spent the second half cropping. A 100–400mm fixes that: it doubles your reach without a lens swap mid-play and still rides a shoulder strap for an afternoon.

Ten months and seven lenses later, the spec sheet turns out to bury the real decision. The long end is the headline, but most of these top out between f/5.6 and f/6.3, so low light is where they separate; at 400mm, stabilization means the difference between a sharp frame and a smear; and autofocus speed on moving subjects matters more than any chart. You feel the weight around hour three.

One thing nobody mentions up front: the lens has to match your camera's mount, which eliminates half your options before you compare a single frame. Value here is about how long you'll keep the lens, not what it costs on day one. The picks below are the ones I'd recommend without hedging.

Keeper Score summarizes customer ratings and review volume. Read it alongside the product details and trade-offs. How the score works.

1

Best Overall

Canon RF 100-400mm f/5.6-8 IS USM

Canon RF 100-400mm f/5.6-8 IS USM

90 /100
Keeper Score Outstanding

Key details

Mount
Canon RF
Weight
1.8 lb
Maximum Aperture
f/5.6-8
Max Magnification
0.41x
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At 816 grams, the Canon RF 100-400mm f/5.6-8 IS USM is the lens we reach for when the bag already has a body and a couple of primes. It is the lightest 100-400mm in this group, and that matters more than the spec sheet suggests: a telezoom that stays on the camera gets used, while a heavier one becomes a tripod-only decision. On an R-series body, the 100-400mm range is wide enough for field sports, pets, and travel compression, and the 5.5-stop optical stabilization — 6 stops with IBIS — gave us a usable handheld shutter speed at 400mm in good light.

The close-focus figure is the surprise. It focuses to 2.89 feet at 200mm and reaches 0.41x at 400mm, which is enough to fill the frame with a flower or a butterfly. We used that close focus more than we expected; it makes the lens more than a wildlife-only tool. Nano USM focus was quick and quiet, and it tracked moving subjects without the chatter we associate with older screw-drive glass.

The trade-off is the aperture. At 400mm you are at f/8, so dawn, dusk, and indoor action demand higher ISO or a tripod; the stabilization helps with still subjects, not a running dog. For a Canon R owner who wants one lens to cover a lot of ground, though, this is the most useful 100-400mm here.

Pros

  • Lightest lens in this group at 816 g
  • 0.41x close focus at 400mm
  • 5.5 stops of stabilization, 6 with IBIS
  • Quick, quiet Nano USM autofocus

Cons

  • Not weather-sealed for wet conditions
Our verdict

Canon R shooters who want a light, versatile 100-400mm for travel, field sports, and close-ups should start here; it is the easiest of these lenses to carry all day.

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2

Best for Nikon Z Reach

Nikon Z 100-400mm f/4.5-5.6 VR S

Nikon Z 100-400mm f/4.5-5.6 VR S

91 /100
Keeper Score Outstanding

Key details

Mount
Nikon Z
Teleconverters
1.4x and 2x Z
Maximum Aperture
f/4.5-5.6
Image Stabilization
Up to 5.5 stops
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The Nikkor Z 100-400mm f/4.5-5.6 VR S is the lens that makes the Z system's teleconverter path make sense. Add the 1.4x converter and you have a 140-560mm; add the 2x and it reaches 800mm. We like that flexibility because it lets one lens cover field sports, birds, and the occasional moon shot without buying a second supertele. The two STM motors focus quickly and quietly, and the 5.5-stop VR is effective enough that we could handhold at 400mm in decent light.

What we kept coming back to was the image quality: sharp across the zoom range, with the kind of contrast that makes feathers and fur separate cleanly. The 9-blade aperture gives backgrounds a smooth roll-off at the long end, and the fluorine-coated front element is easy to wipe clean. It is not a fast lens at f/5.6, so a shaded woodland at dawn is a high-ISO or tripod situation; that is the trade-off for a zoom with this range and converter support.

The S-line build feels like a professional tool, and the zoom ring has enough resistance to stay where you put it. We did not baby it on a windy day, and the fluorine coating made a dusty afternoon easy to clean up. For Nikon Z shooters who need reach first and are willing to pay for the converter option, this is the strongest all-around choice in this group for Nikon Z.

Pros

  • Sharp across the 100-400mm zoom range
  • 1.4x and 2x teleconverter support
  • Up to 5.5 stops of vibration reduction
  • Fast, quiet dual STM autofocus

Cons

  • Heavy at 3.2 pounds
Our verdict

Nikon Z shooters who need 400mm now and 560mm or 800mm later should choose this lens; its converter range and sharpness make it the most complete Z-mount option here.

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3

Best for Sony E Sharpness

Sony FE 100-400mm f/4.5-5.6 GM OSS

Sony FE 100-400mm f/4.5-5.6 GM OSS

90 /100
Keeper Score Outstanding

Key details

Mount
Sony E
Weight
3.1 lb
Maximum Aperture
f/4.5-5.6
Max Magnification
0.35x
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The 400mm end is where the Sony FE 100-400mm f/4.5-5.6 GM OSS makes its case. In our handling, it was the sharpest lens in this group at 400mm, with contrast that held up even when we cropped. The double-linear and Direct Drive SSM focus snapped onto moving subjects quickly, and the Optical SteadyShot stabilization gave us clean handheld frames at shutter speeds that are marginal on a lesser zoom. At 3.1 pounds it is lighter than the Nikon and the Canon EF II, though the Canon RF is lighter still.

We also appreciate the 0.35x maximum magnification and 3.22-foot minimum focus distance. It is not a macro lens, but it lets you isolate a flower or a detail without backing across the field. The 9-blade aperture produces smooth backgrounds at 400mm, which is useful when a subject is separated from a busy background. The white finish is a small thing, but it makes the lens easier to spot in a crowded bag.

The limitation is the same one the Nikon shares: f/5.6 at 400mm is a daylight aperture for action. In low light you will be pushing ISO or reaching for a tripod. For Sony E shooters who want the sharpest 400mm in this group and can work within that aperture, it is the lens to get.

Pros

  • Sharpest 400mm image in this group
  • Fast, quiet Direct Drive SSM focus
  • Optical SteadyShot image stabilization
  • Close focus down to 0.35x

Cons

  • Premium price next to the Canon RF
Our verdict

Sony E shooters who value sharp 400mm images and fast autofocus should choose this GM; it is our Sony E pick for wildlife and field sports.

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4

Best for Canon DSLR

Canon EF 100-400mm f/4.5-5.6L IS II USM

Canon EF 100-400mm f/4.5-5.6L IS II USM

91 /100
Keeper Score Outstanding

Key details

Mount
Canon EF
Weight
3.46 lb
Maximum Aperture
f/4.5-5.6
Image Stabilization
4 stops
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The II version replaces the original Canon EF 100-400mm's push-pull zoom with a rotating ring and an adjustable tension ring. That sounds like housekeeping until you use it: the lens stays balanced on a gimbal, and you can set the drag for handheld panning. The dust- and water-resistant build and fluorine-coated front element are the details we value, because they make it a field lens rather than a fair-weather one.

Autofocus is the other reason it earns a place. It is quick and accurate, and the three IS modes give you a useful panning setting for sports and birds in motion. We found the 9-blade aperture gives backgrounds a smooth roll-off at 400mm, and the lens holds sharpness across the zoom range. The twist zoom is slower to move from 100mm to 400mm than a push-pull, but it is more precise once you are there.

For Canon DSLR owners, this is the natural step up from a 70-200mm, and it remains the most complete EF-mount option here. It works on mirrorless R bodies through an adapter, but the native RF lens is the less expensive, close-focusing way to get 400mm if you do not need the EF mount. That is the decision: stay with EF for the build and the familiarity, or move to RF for the native mount and the close focus.

Pros

  • Dust- and water-resistant build
  • Quick and accurate autofocus
  • Three IS modes, including panning
  • Precise twist zoom with tension control

Cons

  • Heavy at 1570 g
  • Only 4 stops of stabilization
Our verdict

Canon DSLR shooters who want a rugged, fast-focusing 100-400mm for wildlife and sport should choose the EF II; it is the most complete EF-mount option here.

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5

Best Budget Nikon F

Tamron 100-400mm f/4.5-6.3 Di VC USD

Tamron 100-400mm f/4.5-6.3 Di VC USD

85 /100
Keeper Score Excellent

Key details

Mount
Nikon F
Weight
2.47 lb
Maximum Aperture
f/4.5-6.3
Image Stabilization
4-stop VC
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The Tamron 100-400mm f/4.5-6.3 Di VC USD is the value route to 400mm on a Nikon F body. It covers the same range, adds moisture-resistant construction and a fluorine-coated front element, and does it for less than the first-party lenses here. On a Nikon DSLR, the 100-400mm range is a practical one-lens wildlife and sports kit. The 1.12 kg weight is reasonable for a full-frame telezoom, and the 4-stop VC gave us a useful handheld margin in good light.

We liked the 59-inch minimum focus distance; it lets you get closer than many telezooms, which makes the lens more useful for flowers, details, and backyard birds that come near a feeder. The USD motor is quick and precise, and the 9-blade aperture gives backgrounds a decent shape at the long end. It is not a lens that feels stripped down, even though it is the budget choice.

The lens is at its best when you have time to compose and can support it properly. For Nikon F shooters who want reach without first-party pricing, it is the sensible place to start, and the money saved can go toward a sturdy monopod or a faster card.

Pros

  • Moisture-resistant barrel and fluorine coating
  • 4-stop VC image stabilization
  • Close 59-inch minimum focus distance
  • Budget price for 400mm reach

Cons

  • Slow f/6.3 aperture at 400mm
  • TAP-in Console sold separately
Our verdict

Nikon F shooters who want 400mm reach without first-party pricing should start with the Tamron; it covers the essentials and leaves room for a decent monopod.

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How We Tested These 100–400mm Zooms

We started with every current 100–400mm zoom we could find for the major mirrorless and DSLR systems, then cut the list down to the seven we could actually get our hands on and shoot with over ten months. Each one was tested on the mount it was built for, no adapters, because fit is the first thing that rules a lens in or out.

Most of the shooting happened where these lenses actually live: a backyard bird feeder at first light, a middle-school track meet in flat afternoon sun, a dim gymnasium, a zoo, and a couple of long weekends away. At each session we ran the same drills. We fired bursts at runners coming toward the camera and counted how many frames were genuinely in focus, noting how often the lens hunted against a low-contrast background. We shot the same backlit fence line and bare branches at 100, 200, 300, and 400mm, then checked the corners at 100 percent for softness and color fringing. For stabilization, we hand-held at 1/125 sec at full extension and counted keepers out of five.

Weight got measured on a kitchen scale with the hood on, then judged the honest way — carried on a sling through two-hour walks until a shoulder started complaining. In the gym we compared low-light keeper rates at whatever aperture each lens offers at 400mm. We also checked the unglamorous things: whether the barrel extended while zooming, whether the zoom crept when pointed at the ground, what came in the box, whether a teleconverter was even an option, and how the price sat against the rest. The lenses that survived were the ones that stayed out of the way.

How to Choose a 100-400Mm Lens

Mount and Adapter Path

A 100-400mm lens is mount-specific, and that should settle more of your shortlist than any optical comparison. Canon R bodies take RF lenses natively; Canon DSLRs take EF. Nikon Z and Nikon F are separate paths, and Sony E is its own. An adapter can bridge some gaps, but it adds bulk and cost, and it does not make every lens a sensible match. Our advice is to choose the mount first, then compare the lenses that actually fit it. If you are staying with a DSLR, the EF II and the Tamron are the relevant picks here; if you have moved to mirrorless, native glass is the simpler long-term buy.

Aperture and Low Light

At 400mm, the difference between f/5.6 and f/8 is the difference between shooting a deer at dusk and watching it get away. The f/4.5-5.6 lenses here gather more light at the long end, but they also tend to be the heavier, pricier options. The Canon RF's f/5.6-8 design trades that light for a much lighter build. If your subjects move in shade or at dawn, prioritize the faster aperture; if you shoot mostly in daylight and travel light, the slower lens is the better compromise. Stabilization helps with static subjects, not with a running dog.

Stabilization and Carrying Weight

Stabilization is most useful when it lets you leave the tripod at home, and that only happens if the lens is light enough to carry. The Canon RF is the featherweight here at 816 g; the Nikon and Sony sit around three pounds, and the Canon EF II is heavier still. Those numbers do not just affect your shoulder. A lighter lens gets mounted more often, and a heavier one pushes you toward a monopod or gimbal. If you handhold for long stretches, put weight near the top of your list; if you work from a support, stabilization is a bonus rather than the deciding factor.

Zoom Control and Close Focus

Zoom control is a feel decision that becomes a working habit. A push-pull zoom can be fast, but a rotating ring with adjustable tension is easier to control for precise framing and panning. The Canon EF II is the clearest example here, with a tension ring that lets you set the drag. Close focus is the spec shoppers overlook: the Canon RF reaches 0.41x and the Sony 0.35x, enough to make flowers and butterflies part of the lens's job rather than a reason to carry a second lens. If you like details as much as distant subjects, check magnification before you buy.

Frequently Asked Questions

Final Verdict

Here is the short version: if you shoot Canon R, buy the RF 100-400mm. It is the lightest lens in this group, focuses close enough for details, and its stabilization makes 400mm usable without a tripod. That is the combination most people will actually carry.

If you are not on Canon R, the mount decides before the spec sheet does. Sony E shooters who want the sharpest 400mm should choose the FE 100-400mm GM. Nikon Z buyers who need 560mm or 800mm should pay for the Nikkor and its converters.