Canon 100-400mm F4.5-5.6L IS USM Mark II review

The Canon 100-400mm F4.5-5.6L IS USM. The Mk II edition has the same title requirements but with improved functions that has been improved efficiency all-round. While the new style is better for sure, when you compare the Mk I and Mk II part by part it easily becomes obvious just why it took Canon so long: the MkI edition was, and still is, a good lens. It’s always been extremely well-known too, and known for having its value well on the used market, so Cannon was in no hurry to modify complete system.

Canon 100-400 F4.5-5.6L IS USM Mark II
Canon 100-400 F4.5-5.6L IS USM Mark II

The 100-400mm Mk II maintains the same central duration and F4.5-5.6 overall highest possible apertures as the unique style. Both contacts vary to F5 at around the 125mm mark, and the Mk I then goes to F5.6 at 250mm while the Mk II keeps on a little bit longer, making the ultimate change at just over 300mm. Apart from a little additional weight, the actual size is this is the same, but everything else is new that has been improved. There’s a completely new state of the art visual style with more components, a much-improved picture stabilizing system, a lowest concentrating range that’s been cut in 50 percent and quicker auto-focus generate.

Headline features

  • Improved optical design with 21 elements in 16 groups (versus 17 in 14 for Mk I)
  • Upgraded image stabilization with 4-stops benefit (vs. 2-stops)
  • Twist-ring zoom control (vs. push-pull)
  • Extensive weather-resistant seals (vs. partly sealed)
  • Faster USM autofocus drive
  • Close focusing down to 98cm, 0.31x magnification at max focal length (vs. 180cm, 0.2x)
  • Same size as Mk I, though slightly heavier at 1570g (vs. 1380g)

Canon provides largest selection of telezooms of any product, at a number of prices. In the top quality industry, there are four 70-200mm L-grade zooms, with a selection of F2.8 or F4 highest possible apertures, with and without picture stabilizing. The 70-200mm F2.8 L IS USM Mk II is applicable here as it utilizes 1.4x or 2x traction devices, as an solution to something a longer period.

More lately, Canon included a third lens to its choices in the flexible 70-300mm classification, with the 70-300mm F4-5.6L IS USM being an outstanding zoom capability that is actually a scaled-down edition of the 100-400mm Mk II (and a less expensive option, too). There is also the Canon 200-400mm F4L IS USM with its built-in 1.4x stretcher, though the stratospheric cost places it in a rather different category, and Canon has a several of outstanding primary telephotos in this central duration variety, too. The image-stabilized 300mm F4L IS USM and 400mm F5.6L USM both come from the same era as the exclusive 100-400mm Mk I, and have also was standing the ages well.

Style and Build

The big design modify is changing the Indicate I’s push-pull zoom capability control for a traditional twist-ring on the Indicate II. There was a moment when push-pull zooms were very common, but over the years the craze has thrown over to twist-action and today older people Canon 100-400mm Mk I is a unique example of the type. Popular viewpoint would seem to benefit the modify, on stability, though in exercise it’s easy to adjust to either type. The zoom capability band is large and grippy, with a reasonably damped and sleek activity as the top side area expands by 77mm to a long central duration.

Visual design

The Canon 100-400mm Mk II has an entirely new optical style, with 21 components (up from 17 in the Mk I) such as one fluorite and one of Extremely UD cup. Fluorite is a expensive amazingly content with exclusive features unrivaled by any cup, though some new types are getting nearer. Fluorite is synthetically ‘grown’ in The canon eos devoted service and is the wonder dirt that it sprinkles throughout the lens variety and is particularly valuable with more time central measures.

Autofocus

The Ultrasound Engine (USM) AF of the initial Mk I edition was no slump over, but with the Mk II it’s even better – quicker, almost absolutely quiet, and continually very precise. Examined side-by-side at 300mm in excellent mild with objectives at 3m and 15m, the Mk II averaged 0.4 secs to move between the two, as opposed to Mk I at 0.5 secs.

The familiar cluster of switches are weather-sealed, and include a focus-limiter that cuts in at 3m. The mode 3 image stabilization option has filtered down from Canon's top spec primes, only activating IS at the moment of exposure. The smooth/tight zoom friction adjuster is carried over from the Mk I.
The familiar cluster of switches are weather-sealed, and include a focus-limiter that cuts in at 3m. The mode 3 image stabilization option has filtered down from Canon’s top spec primes, only activating IS at the moment of exposure. The smooth/tight zoom friction adjuster is carried over from the Mk I.

The Canon 100-400mm Mk II also has a very near lowest concentrating variety for this category, both as opposed to Mk I and against competitors from other manufacturers, and this significantly boosts the variety of topics it can deal with. Canon statements concentrating down to 98cm from the indicator, though it actually differs according to central duration and calculated 93cm at max zoom ability, and 77cm at lowest central duration. The Mk I prevents at 1.7m (1.8m claimed).

The Mk II’s Minimum Working Distance (measured from the top side of the lens) goes down to 61cm at max central duration, providing 0.31x zoom ability. While this is some way off true macro lens ability, at 400mm it will complete the structure with a topic approximately 11cm (4.3″) extensive and is ideal for common close-ups and things like plant images, seeing stars and so on.

Image stabilization

As we’d anticipate, image backing is considerably enhanced on the Mk II lens. The unique Mk I was one of the first contacts ever to function IS back in 1998, with a stated 2-stops edge on the regular hand-holding restrict. We all differ in our ability to hand-hold efficiently, and one person’s meaning of ‘acceptably sharp’ may not be the same as another’s. Picture backing test process used here levels the stage by establishing set up a guideline that is the reason for individual factors, and includes capturing a multitude of images at different shutter rates of speed with IS off, to set up the restrict for appropriate sharpness. Tested at 300mm central duration, the Canon 100-400mm Mk II provided 97% distinct images at three prevents below the un-stabilized restrict, and 86% at four prevents. At five prevents below, the achievements rate decreased to 62%, though this is an remarkable efficiency from what is certainly one of the best image backing systems of any lens to date.

The combination of long focal length and unusually close focusing ability, works well with excellent image stabilization - like these winter berries taken in fading light. At 400mm (F5.6, ISO 800, Canon 5DS R) shutter speeds were 1/50 sec (left) and 1/30 sec (right) which is 3-4 stops below the average hand-holding limit. Reliability drops off at five stops, but it's certainly still worth a try.
The combination of long focal length and unusually close focusing ability, works well with excellent image stabilization – like these winter berries taken in fading light. At 400mm (F5.6, ISO 800, Canon 5DS R) shutter speeds were 1/50 sec (left) and 1/30 sec (right) which is 3-4 stops below the average hand-holding limit. Reliability drops off at five stops, but it’s certainly still worth a try.

There are three IS ways. Method 1 is for common capturing, and mode 2 is the acquainted Canon choice for panning, when deliberate activity one way is recognized and IS impaired in that aircraft. Method 3 is a newer release, similar to mode 2 and first seen on The canon eos big white primes. Method 3 keeps the IS calculations running in the, but hinders the actual backing process until the time of visibility. This is useful when monitoring irregular topics that can cause undesirable IS activity of the viewfinder image, and it decreases battery power strain when the digicam has to be kept on stand by for extended times, patiently awaiting the time.

Image Quality

Other visual characteristics

The lens’ F-number is a theoretical evaluate, and the real mild transmitting value, known as the T-stop, is always fractionally reduced due to mild failures within the visual program. Contacts with more components, like a complicated zoom capability, usually be a bit more impacted. The Cannon 100-400mm Mk II calculated T5.2 at 100mm, T5.5 at 200mm, T5.8 at 300mm, and T6.3 at 400mm. These figures are approximately 0.2-0.3 prevents reduced than the stated F-numbers, but are quite common of a top quality zoom capability. The Cannon 100-400mm Mk II is also 0.1-0.2 quit better than the Mk I, particularly through the mid-range central measures. For visibility reasons, any factors are instantly paid by TTL metering techniques.

Shooting straight into the light with longer lenses can easily induce flare (left). The loss of contrast can sometimes be recovered, as here (middle) with heavy use of the 'clarity' slider in Lightroom. Just a slight change of camera position often avoids this though (right).
Shooting straight into the light with longer lenses can easily induce flare (left). The loss of contrast can sometimes be recovered, as here (middle) with heavy use of the ‘clarity’ slider in Lightroom. Just a slight change of camera position often avoids this though (right).

Full Frame

The Canon 100-400mm Mk II has extremely great sharpness, right across the structure, at all apertures and all central measures. There’s little purpose to stop-down for best efficiency, though there is a minimal enhancement with an optimum around F5.6 at most central measures. At the essential 400mm establishing, there is only a minimal decrease in sharpness and the height goes to F8. As opposed to MkI edition, the Mk II’s primary benefits is at reduced F-numbers in the F4.5-5.6 variety, with significant enhancement towards the sides of the picture.

APS-C

For any given pixel depend, crop-format cameras force the lens more complicated, and on APS-C structure the Mk II edition reveals there’s real detail to its visual efficiency. Better advantage sharpness goes it further before Mk I, though the Mk I maintains a good conventional in the middle. Sharpness features follow the same design as on full-frame, just at a lower level.

Field curvature is minimal, confirmed by detail of the fabric clearly visible in the corners. Some CA color-fringing is noticeable towards the edges, mostly at shorter focal lengths. It's easily corrected, in-camera with some models, or in post processing (see below). Canon 5DS R, 124mm, 1/50 sec at F4.5, 800 ISO.
Field curvature is minimal, confirmed by detail of the fabric clearly visible in the corners. Some CA color-fringing is noticeable towards the edges, mostly at shorter focal lengths. It’s easily corrected, in-camera with some models, or in post processing (see below). Canon 5DS R, 124mm, 1/50 sec at F4.5, 800 ISO.

Chromatic Aberration

Horizontal CA (color fringing towards the edges) is well managed. It is recognizable towards the sides at the short end, then decreases gradually as central duration is improved, to a very low level at 200mm and more time central measures.

Vignetting

Vignetting (darkening towards the corners) is often less of an issue with more time contacts in comparison to wideangles, and that’s the case here. At highest possible aperture, it moves around destination of darkening at smaller central measures, with an improve to 1.4 prevents at 400mm. Avoiding down decreases vignetting considerably, and it’s gone by F8.

Distortion

Geometrical distortions (where directly collections towards the sides of the structure become curved) is average, with noticeable barreling at 100mm, quickly shifting through fairly neutral at around 150mm, and on to light pincushion distortions that gets a little bit more powerful as central duration is improved. Not a massive issue though, and quickly fixed in application.

Specifications

Canon EF 100-400mm f/4.5-5.6L IS USM Canon EF 100-400mm F4.5-5.6L IS II USM
Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 100–400 mm
Image stabilization Yes (2 stops) Yes (4 stops)
Lens mount Canon EF
Aperture
Maximum aperture F4.5–5.6
Minimum aperture F32–40
Aperture ring No
Number of diaphragm blades 8 9
Optics
Elements 17 21
Groups 14 16
Special elements / coatings Fluorite and Super UD-glass elements largely eliminate secondary spectrum Air Sphere, fluorine coatings; Super ED element
Focus
Minimum focus 1.80 m (70.87) 0.98 m (38.58)
Maximum magnification 0.2× 0.31×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Rear Internal
Distance scale Yes
Focus distance limiter Yes
Physical
Weight 1380 g (3.04 lb) 1570 g (3.46 lb)
Diameter 92 mm (3.62) 94 mm (3.7)
Length 189 mm (7.44) 193 mm (7.6)
Materials Magnesium
Sealing Yes
Colour White
Zoom method Push/Pull (extending) Rotary (extending)
Power zoom No
Zoom lock Yes
Filter thread 77.0 mm
Hood supplied Yes
Hood product code ET-83C ET-38D
Tripod collar Yes

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