Canon RF 400mm f/2.8 L IS USM : Specifications and Opinions

The Canon RF 400mm f/2.8 L IS USM is a supertele lens for FF and APS-C, manufactured from 2021. 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 13000 €;

10 users have given it an average vote of 9.9 out of 10.

MOUNT

This lens is available with the following mounts:

Canon RF: this lens is compatible with mirrorless fullframe and APS-C Canon RF.

Specifications
Focal lenght	400 mm
Angle of view	6.2°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	9
Lenses/Groups	17 elements in 13 groups
Min. focus distance	2.50 meters
Reproduction ratio	0.17x
Features
Stabilization	Yes (built in lens)
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	Yes
Built and notes
Tripod ring	Yes
Extenders	Yes
Filters	52 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	2890 g
Dimensions	168 x 367 mm
Buy
Canon RF 400mm f/2.8 L IS USM, buy on Ebay JuzaPhoto contains affiliate links from Amazon and Ebay and JuzaPhoto earn a commission in case of purchase through affiliate links.

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Reviews

What do you think?

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The following opinions have been automatically translated with Google Translate.

Marco50

sent on 03 Giugno 2023

Pros: Weight speed maneuverability

Cons: As always for these lenses the high price

Opinion: I have been using this lens for a few months, I had many doubts to replace my EF 500 f4 ISII that for many years has given me a lot of satisfaction. I spent an interlude of time using a canon EF 400 f4 DO II with which the spark did not go off. My only doubt for this lens were the missing 100 mm that these days always serve, but if I compare the weight and handling I am convinced immediately, I reduced the weight to a minimum using leofoto bracket (recovered from the previous lens) and folding lens coat hood by doing so you can afford to do wandering hunting even at my age. Autofocus speed certainly the fastest I've ever had, with 1.4 you don't notice any difference and with the 2x it's very fast. Quality: remarkable optical yield at 2.8 if I think that I can have an 800 mm f 5.6 using the 2x also considering the fact that the quality suffers, but I do not see all the difference that I have found in other optics. I will continue to use it in various conditions to see more strengths and weaknesses. I continue to trust mom Canon, but considering that parts of the body have already taken my kidneys I need. Surely the positive thing that the used is easily given away and this makes the difference because it sweetens the pill.

Photos taken with Canon RF 400mm f/2.8 L IS USM

Panthera leo

by Stefano Bonfoco
84 comments, 5074 views [editors pick]

The beginning of the adventure

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55 comments, 6277 views

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54 comments, 4886 views

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78 comments, 4008 views

Howl on the attack

by Nangi
91 comments, 4119 views

Last rays of light

by Bavassano Michele
23 comments, 4973 views

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Small lynxes

by Marco50
75 comments, 3313 views

Green Season

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28 comments, 9921 views

HOOPOE IN THE MIRROR

by Marco50
79 comments, 2325 views

Wild Cat

by Bavassano Michele
30 comments, 3876 views

Low-level flight

by Nangi
73 comments, 2685 views

PARDINA LYNX

by Marco50
66 comments, 3529 views

Lynx Baby

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60 comments, 2487 views

The lion King

by Bavassano Michele
24 comments, 4144 views

Mobbing

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39 comments, 1716 views [editors pick]

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51 comments, 2237 views

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68 comments, 3513 views

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65 comments, 1634 views

Sparrowhawk ?

by Marco50
62 comments, 2430 views

Iberian Lynx

by Marco50
60 comments, 2222 views

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by Marco50
62 comments, 2393 views

Goshawk at dawn

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72 comments, 2319 views

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by Marco50
67 comments, 2080 views

Unexpected Griffin

by Marco50
64 comments, 2189 views

King volture

by Bavassano Michele
23 comments, 3775 views

Kingfisher

by Marco50
64 comments, 2845 views

Turtledove in the mirror

by Marco50
62 comments, 1923 views

Goshawk

by Marco50
67 comments, 2528 views

Morning Light

by Bavassano Michele
25 comments, 2353 views

Yaffle ?

by Marco50
46 comments, 1808 views

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Lince Pardina

by Bavassano Michele
23 comments, 3491 views

Beauty in the bathroom

by Marco50
72 comments, 2315 views

Welcome back Green Woodpecker

by Marco50
60 comments, 1645 views

Goshawk at dawn

by Marco50
57 comments, 2372 views

Instants of Eternity

by Bavassano Michele
26 comments, 2986 views

Cold robin

by Marco50
51 comments, 1081 views

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Canon RF 400mm f/2.8 L IS USM : Specifications and Opinions

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Photos taken with Canon RF 400mm f/2.8 L IS USM