Canon EF 100–400mm lens

The EF 100–400mm f/4.5–5.6L IS USM is a professional EF mount telephoto zoom lens manufactured by Canon Inc. The first version of this lens was announced in September 1998, and an updated version was announced in November 2014. It is a high performance telephoto lens most often used for sports and wildlife photography.

Crop factor

When used with a Canon APS-C (1.6x crop) DSLR camera or APS-H (1.3x crop), the field of view of this lens is equivalent to a 160–640mm on an APS-C sensor, or 130–520mm on an APS-H sensor. This is due to the crop factor inherent with APS-C or APS-H (crop) sensor digital SLR cameras.

The first version

Whilst the original version has excellent optical performance, its design predated the mass-market availability of digital single-lens reflex cameras. The telescoping nature of the original design means that the lens zooms quickly, although not all users prefer this design.^[1] According to Roger Cicala, the head of the American lens rental house LensRentals.com,

...although it's a compromise, it’s a very good compromise. It’s nearly as sharp as the [300mm and 400mm] primes and far sharper than a consumer lens. The huge range means getting the shot framed just right and not having to change lenses, and it’s relatively small and easy to shoot hand-held.^[1]

The telescoping design means that the lens sucks in air when zoomed from shorter focal lengths to longer focal lengths. Unfortunately, with the lack of anything to prevent it, it also sucks in any airborne dust^[2] Although this was not considered a problem when used with cameras that used photographic film, the dust can settle on the sensor of digital cameras leaving a permanent mark on every subsequent photograph until it is cleaned off. Newer cameras with dust removal systems have mitigated this problem somewhat.^[3]

This lens is compatible with the Canon Extender EF teleconverters on newer EOS bodies. Autofocus works with the 1.4× Extender (and only with cameras that can autofocus at f/8) and image stabilization (IS) works with both 1.4× and 2× Extenders.

Version II

The new Canon EF 100-400 f/4.5-5.6L IS II was announced on 11 November 2014 (10 November in the United States due to time zone differences from Japan), with availability expected the following month. Among the changes from the Mark I version are:^[4]^[5]

The zoom mechanism now uses a rotating ring (like most other Canon zoom lenses), instead of a push/pull system.
The Mark II version also features a new lens hood with a side window, making it possible to adjust specialty filters (such as polarizers and variable neutral-density filters) without removing the hood.
The tripod mount can now be removed while the lens is attached to a camera body. The Mark I tripod mount can only be removed when the lens is detached.
The IS system has three modes instead of the two modes of the Mark I. The third mode (which Canon calls "Mode 3"), designed with action shooting in mind, except that stabilization is applied only during exposure. Previously, Mode 3 was available only on recent Canon supertelephoto lenses.^[6]

Specifications

Attribute	f/4.5–5.6L IS USM	f/4.5–5.6L IS II USM
Image
Key features
Full-frame compatible	Yes	Yes
Image stabilizer	Yes	Yes
Ultrasonic Motor	Yes	Yes
Stepping Motor	No	No
L-series	Yes	Yes
Environmental Sealing	No	Yes
Diffractive Optics	No	No
Macro	No	No
Push/pull zoom	Yes	No
Technical data
Aperture (max-min)	f/4.5–f/5.6 to f/32-f/38	f/4.5–f/5.6 to f/32-f/40
Construction	14 groups / 17 elements	16 groups / 21 elements
# of diaphragm blades	8	9
Closest focusing distance	5.9 ft / 1.8 m	3.2 ft / 0.98 m
Max. magnification	0.2x	0.31x
Horizontal viewing angle	20° - 5°10'
Diagonal viewing angle	24° - 6°10'
Vertical viewing angle	14° - 3°30'
Physical data
Weight	1380 g / 3.1 lbs	1570 g / 3.46 lbs
Maximum diameter	92 mm / 3.6 "	94 mm / 3.7 "
Length	189 mm / 7.4 "	193 mm / 7.6 "
Filter diameter	77 mm
Accessories
Lens hood	ET 83C	ET 83D^[7]
Case	LZ1324	LZ1326
Retail information
Release date	September 1998	November 2014
Currently in production?	Yes	Yes
MSRP (US$)	$1,699	$2,199

References

1 2 Cicala, Roger (March 2013). "Canon 100-400mm f/4.5-5.6L IS". LensRentals.com. Retrieved 11 November 2014.
↑ , leading to it's nickname, the "dust trombone." Canon published lens data — The EF 70–200mm f/2.8L IS; EF 70–200mm f/4L IS USM and EF 70–300mm f/4.5–5.6L USM have dust sealing. The published data shows that the 100-400mm lacks this sealing. Verified
↑ For example: Canon 50D Owners manual - Appending Dust Delete Data (Page 149)
↑ "Introducing the Canon EF 100-400 f/4.5-5.6L IS II". Canon Rumors. 9 November 2014. Retrieved 9 November 2014.
↑ "Canon U.S.A. Introduces New Super-Telephoto Zoom Lens, The Compact And Highly Mobile Canon EF 100-400mm f/4.5-5.6L IS II USM" (Press release). Canon U.S.A. 10 November 2014. Retrieved 11 November 2014.
↑ Carnathan, Bryan (18 November 2013). "Canon EF 200-400mm f/4 L IS USM Extender 1.4x Lens Review". The-Digital-Picture.com. Retrieved 11 January 2014.
↑ "New 100-400 hood" (in Japanese). Japan: Canon. 11 November 2014. Retrieved 11 November 2014.

External links

Wikimedia Commons has media related to Canon EF 100-400mm F4.5-5.6L IS USM and Canon EF 100-400mm F4.5-5.6L IS II USM.

Canon EF/EF-S/EF-M lenses

EF-S zoom	EF-S 10–18mm EF-S 10–22mm EF-S 15–85mm EF-S 17–55mm EF-S 17–85mm EF-S 18–55mm EF-S 18–135mm EF-S 18–200mm EF-S 55–250mm

Ultra-wide zoom	EF 11–24mm EF 16–35mm EF 17–40mm

Standard zoom	EF 24–70mm EF 24–105mm EF 28–135mm EF 28–300mm

Telephoto zoom	EF 70–200mm EF 70–300mm EF 75–300mm EF 100–400mm EF 200–400mm

Wide-angle prime	EF 14mm EF 20mm EF 24mm EF-S 24mm EF 28mm EF 35mm

Standard prime	EF 40mm EF 50mm

Telephoto prime	EF 85mm EF 100mm EF 135mm EF 200mm

Super telephoto prime	EF 300mm EF 400mm EF 500mm EF 600mm EF 800mm

Distorting lens	EF 8–15mm Fisheye

Tilt-shift	TS-E 17mm TS-E 24mm TS-E 45mm TS-E 90mm

Macro	EF-M 28mm Macro EF 50mm Compact Macro EF-S 60mm Macro MP-E 65mm 1–5x Macro EF 100mm Macro EF 180mm Macro

EF-M zoom	EF-M 11–22mm EF-M 15–45mm EF-M 18–55mm EF-M 18–150mm EF-M 55–200mm

EF-M prime	EF-M 22mm EF-M 28mm Macro

Lens accessories	Extender EF

Discontinued zoom	EF 17–35mm EF 20–35mm EF 22–55mm EF 24–85mm EF 28–70mm EF 28–80mm EF 28–90mm EF 28–105mm EF 28–200mm EF 35–70mm EF 35–80mm EF 35–105mm EF 35-135mm EF 35–350mm EF 38–76mm EF 50–200mm EF 55–200mm EF 70–210mm EF 80–200mm EF 90–300mm EF 100–200mm EF 100–300mm

Discontinued prime	EF 15mm Fisheye EF 135mm with Softfocus EF 1200mm

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