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Canon EF 300mm f/4.0 L IS USM : Specifications and Opinions

Canon EF 300mm f/4.0 L IS USM

The Canon EF 300mm f/4.0 L IS USM is a tele lens for FF and APS-C, manufactured from 1997 to 2022 (discontinued). The focus is done by Ultrasonic AF Motor (Ring-USM), it has image stabilization. The average price, when it has been added to the JuzaPhoto database, is 1490 €;

107 users have given it an average vote of 9.3 out of 10.

MOUNT

This lens is available with the following mounts:

Canon EF: this lens is compatible with reflex fullframe and APS-C Canon EF.

Specifications
Focal lenght	300 mm
Angle of view	8.3°
Format	FF, APS-C
Max. aperture	f/4
Aperture blades	8
Lenses/Groups	15 elements in 11 groups
Min. focus distance	1.50 meters
Reproduction ratio	0.24x
Features
Stabilization	Yes (built in lens)
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	Yes
Built and notes
Tripod ring	Yes
Extenders	Yes
Filters	77 mm
Lens hood	Built-in
Weather sealing	No
Weight	1190 g
Dimensions	90 x 221 mm
Buy
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Reviews

What do you think about this lens?

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Jack Jaeger Jr

sent on November 17, 2014

Pros: Size, Weight, Construction, I.S., ease of use.

Cons: None to date.

Opinion: I have the 24-105, and 500mm and needed something in between. I had the 100-400 in the past and sold it. I liked the 100-400 for versatility but I didn't seem to get a lot of keeper shots with it. I choose this lens for the weight and price. I backpack a lot and need a lens of this length for nature shots without a lot of weight. I have been very satisfied with this lens so far I have taken very good macro shots in my wifes flower bed and great sport shots at my Granddaughters soccer games. I would recommend this lens to Juza followers.

The following opinions have been automatically translated with Google Translate.

Gion65

sent on August 21, 2025

Pros: Sharpness Sharpness Sharpness Color Color Boken Boken Boken

Cons: Not having it.

Opinion: A superlative lens that I also use for Macro photography, impressive sharpness, very bright, the blur is creamy.. and the color is gorgeous.. Autofocus is not lightning. but it is a lens that is many years old and even the stabilization is slightly noisy. but they are trifles .. and the photographs he returns in return are exceptional. Taken used will be the last lens I will give away.. It is always a guarantee to have it with you.

Eliad

sent on March 05, 2024

Pros: Portability - Built-in lens hood - F4 - Minimum focusing distance 1.5 meters

Cons: for current cameras a bit slow for dynamic situations - a bit soft at f4

Opinion: Excellent lens to start with also associated with APSC compatible with 1.4x EsExtend Mark II (not III associate the color!) currently in the used it is between 600/700 euros excellent deal to start photographing animals, of other Leni at that price do not exist. I've had it for years, I enjoyed it! Then I gave it away for the 70-200 2.8 Mark II sharper brighter lens with stabilizer great for video and photos

PaoloMcmlx

sent on April 25, 2021

Pros: Excellent sharpness, excellent flare resistance, excellent yield also with the 1.4 X II extender, non-existent distortion, fast and precise AF, excellent RR, excellent construction, also relatively light, very manageable, archaic stabilizer but that still allows it to be used quite easily even at 1/8 sec. freehand, a gem of other times finally the telescopic and lockable lampshed in the working position.

Cons: Basically none, in limit conditions just a minimum of lateral color when used with the 1.4 X II extender.

Opinion: A simple goal, really very solid, on which you can always rely, infatible as a mule... in the truest sense of the word, also extremely manageable by virtue of its very low weight and size. In short, an objective that perhaps does not make us cry out for the miracle, but from which it is almost impossible to separate.

Dario Delfine

sent on March 31, 2021

Pros: Lightweight and compact (to be a 300 mm.); Very sharp since f. 4, but if you close just a stop it becomes a razor. Exceptional contrast; Mr Bocke; Af excellent; built-in lampshon.

Cons: Against??

Opinion: Just to mention the last use last weekend: I was in an equestrian field to resume a grand jump prize and took with me both 2.8 and 4. Starting with the most expensive 2.8, after an hour of freehand use, I had a very sore shoulder and arm. I decide to try the 4 (I start that despite the excellent light conditions, I decided to work at the maximum opening with both objectives, in order to blur the backgrounds and enhance the figures in the foreground. The bocke of the 4, although a less creamy thread, literally amazed me. I have made the decision that, if I do not have to have very poor light problems, I will only take the 4 with me from now on. Perfect optics. Sharpness, micro contrast and stunning bocke. You can see my gallery here with some photos of the event. Having bought it for only 600 euros used, but kept as new, if I compare it to the price of 2.8, I almost run away from crying. I will not sell the brightest f. 2.8 to keep me only this, but the temptation I confess I had it!

There are 30 more reviews. Show all »

Photos taken with Canon EF 300mm f/4.0 L IS USM

Wildlife - Norway, Svalbard 2010

by Gian Mario Zaino
167 comments, 47584 views [editors pick]

Eye to Eye

by Kornienko
74 comments, 20274 views [editors pick]

HI RES 10.5 MP

Red Squirrel

by Alessandro Moneta
150 comments, 36142 views [editors pick]

At the crossroads

by Kornienko
66 comments, 14171 views [editors pick]

HI RES 16.9 MP

Untitled Photo

by Roberto Nencini
120 comments, 11533 views

Paras

by Leonardo Battista
72 comments, 6220 views [editors pick]

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Eagle owl Bubo bubo (Linnaeus, 1758)

by Joeb
104 comments, 12505 views

HI RES 4.2 MP

A hole for two

by Andy 66
76 comments, 9689 views

If you don't behave well this year.....

by Gion65
143 comments, 3099 views

HI RES 6.7 MP

FOR ODINOOO BEARD !!

by Gion65
139 comments, 2497 views

HI RES 6.0 MP

Sunset silhouette

by Jooferr
74 comments, 7550 views

Kingfisher

by Daniele Porro
100 comments, 4932 views

Hey, beautiful, what are you doing 'tonight?

by Joeb
181 comments, 10605 views

HI RES 4.2 MP

Roars echo in the forests

by Dario Bonzi
61 comments, 7144 views

HI RES 3.8 MP

In the blue, painted blue ...

by Gian Mario Zaino
48 comments, 12713 views

Ligurian Sea in the trough

by Carlo Lovisolo
44 comments, 5726 views

Nuthatch (Sitta europaea)

by Joeb
163 comments, 9338 views

HI RES 4.2 MP

In mist ...

by Joeb
173 comments, 7078 views

HI RES 4.2 MP

I do not see I do not feel I do not speak

by Kruzzolo
58 comments, 7436 views

HI RES 15.5 MP

Snowy egret

by Gian Mario Zaino
84 comments, 11288 views

And I look at a world from a porthole ....

by Gion65
114 comments, 3216 views

HI RES 24.0 MP

Sitta europaea - Nuthatch

by Joeb
153 comments, 6768 views

HI RES 4.2 MP

Yesterday and today

by Jooferr
57 comments, 6082 views

Spotted Nutcracker (Nucifraga caryocatactes, Linnaeus 1758)

by Joeb
134 comments, 4622 views

HI RES 4.2 MP

Molise Hills

by Francesco Iafelice
127 comments, 4988 views

HI RES 11.8 MP

Squirrel (Sciurus carolinensis Gmelin, 1788)

by Joeb
134 comments, 6216 views

HI RES 6.0 MP

White-tailed eagle

by Cesare Carloni
117 comments, 4116 views

A nice surprise

by Latino Rosario
131 comments, 4790 views

HI RES 10.9 MP

Portrait of the Robin

by Latino Rosario
103 comments, 4077 views

Green and cardellino

by Daniele Porro
67 comments, 3530 views

White-tailed sea eagle

by Cesare Carloni
96 comments, 3228 views

HI RES 3.9 MP

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Crested Tit

by Joeb
136 comments, 7321 views

HI RES 4.2 MP

White-tailed Sea Eagle

by Cesare Carloni
103 comments, 2962 views

HI RES 4.3 MP

Dressed in red

by Mida Photo
51 comments, 3295 views

Chinese woman

by Jooferr
77 comments, 5687 views

HI RES 20.0 MP

Ape Chef... And if this time I used rosemary... ?

by Gion65
97 comments, 1354 views

HI RES 24.0 MP

Wildlife - Norway, Svalbard 2010

by Gian Mario Zaino
31 comments, 8758 views

The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Reviews » Lenses » Lenses Canon » Canon EF 300mm f/4.0 L IS USM

Canon EF 300mm f/4.0 L IS USM : Specifications and Opinions

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Reviews

What do you think about this lens?

Photos taken with Canon EF 300mm f/4.0 L IS USM