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Canon RF 100-400mm f/5.6-8 IS USM : Specifications and Opinions

The Canon RF 100-400mm f/5.6-8 IS USM is a tele lens for FF and APS-C, manufactured from 2021. The focus is done by Ultrasonic AF Motor (Nano-USM), it has image stabilization. The average price, when it has been added to the JuzaPhoto database, is 699 €;

36 users have given it an average vote of 9.1 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	100-400 mm
Angle of view	24.4 - 6.2°
Format	FF, APS-C
Max. aperture	f/5.6-8
Aperture blades	9
Lenses/Groups	12 elements in 9 groups
Min. focus distance	0.88 meters
Reproduction ratio	0.41x
Features
Zoom type	Ring, external
Stabilization	Yes (built in lens)
Focus	Ultrasonic AF Motor (Nano-USM)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	Yes
Filters	67 mm
Lens hood	Yes (not supplied)
Weather sealing	No
Weight	635 g
Dimensions	79 x 164 mm
Buy
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Reviews

What do you think about this lens?

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Vegmik

sent on February 26, 2022

Pros: Small, light as a feather, surprisingly sharp, a perfect lens (not only) for hiking

Cons: Reduced brightness, lack of hood and weather sealing

Opinion: Among ef lenses I have always looked for the alternative that is light with a relatively large zoom range, and of course able to capture sharp, clear pictures. For me this solution was the Canon EF 70-300mm f/4-5.6L IS USM (I also had 100-400 L and Tam 150-600, but this was my ideal partner for hiking). I bought rf 100-400 as soon as arrived to the market and I have to say that I didn't regret it. Nowadays this is my nr1 lens on short trips and it does the job perfectly. Of course its a bit darker than expected, but even with my EOS R it is not a problem even in low light conditions. Images are sharp, colours are beautiful "Canon-icals" :) before and after sunset, in cloudy weather as well. And it is works perfect in daylight. Yep, lack of tropicalization, so you wont use it in heavy rain or snowstorm, but some raindrops are absolutely ok. It is a perfect exchange of cheaper Canon EF 70-300mm f/4-5.6 IS II nano USM but in quality its step by step with the 70-300mm f/4-5.6L big brother. EF 100-400 and RF 100-500 are playing in az upper league, but you should decide if the plusplusplus amount of money worth it for you or not. For a normal everyday usage for a non-millionaire Ill definitely stick wit this clever, tiny friend :)

The following opinions have been automatically translated with Google Translate.

Tiberia D

sent on April 21, 2024

Pros: Compactness, weight and stabilization

Cons: For this price range nothing

Opinion: Bought for a family trip, where I don't have the opportunity to take all the lenses with me, from macro to 400mm. I've been testing it for a few days on a canon r8 and coming from L series lenses I found myself in my hand just what I expected. In fact, I was pleasantly surprised by the precision of the focus ring and the right resistance of the zoom ring. The plastics are the same as those of recent L-series lenses, the focus super quiet and even though I never do video, I wanted to test this lens and it follows moving subjects very well. Below I will make some criticisms, which are not such, if we take into account that we are talking about an entry level, the focus is sometimes a bit uncertain and unfortunately the quality of the cheap lenses is felt. It will still remain in my backpack on family trips alongside the 24-70 2.8 ii or on Sunday bike or motorcycle trips where I don't need excellent quality and above all I have to carry the minimum bulk and weight with me. I definitely recommend it to those who are beginners, you can do everything from closeups to photo hunting with excellent results for a non-professional photographer.

Arnaldociriello

sent on March 15, 2023

Pros: weight and compactness, optical quality, superb stabilization

Cons: cheap construction, lack of tropicalization

Opinion: I approached nature photography (animals, birds) and thanks to the lack of budget I bought this "little one" immediately after testing the EF 100-400 L for a few days (first version, the pump one). The first thing that immediately catches the eye is the compactness of this lens with respect to focal range: it looks like a toy compared to the EF version! The weight then is frankly ridiculous (we are talking about 635gr against 1380gr of the old EF): everything has a certain "weight", since the use I make of it is that of long walks (excursions). Like all RF lenses, the build quality leaves something to be desired: we are talking about a plastic lens (moreover an opaque plastic that seems designed to collect fingerprints, scratches and the like) and not tropicalized (but I admit, I used it in the rain without any problem). But this is a known problem, I noticed the same "low" build quality (excluding tropicalization) on the much more noble RF 24-105 L. The defects in terms of materials, however, are abundantly overcome by the optical quality and the goodness of the stabilizer: honestly I have not seen any difference in terms of details compared to the old EF L series (and does not fear too much competition even with the second generation 100-400), and the stabilization is simply of another level: coupled to the R6 this lens reaches up to 6 stops (in practical terms, I shoot quietly at 1/100sec at 400mm without worrying about blur). A few notes on brightness: of course, it is not an L series, but for daytime use it goes perfectly. The price then, considering the focal range, is quite tempting. Another point, it is compatible with RF teleconverters, great thing. I admit, if I were to continue with nature photography sooner or later I will switch to its older brother, the 100-500 RF L, but to start (considering also that it is a rather resalable lens) it is really a great tool. The convenience of transport can then be a reason – even for the most demanding photographers – to prefer this little jewel to heavier, brighter and more noble lenses.

Carlo1404

sent on December 12, 2022

Pros: Weight and price on everything then also sharpness

Cons: Dunno... I haven't found any yet

Opinion: I had a 7DMk2 with Sigma 150/600 sport and a Canon 400mm f5.6 for birdlife. I switched to R6 and sold all the previous kit because I could no longer carry all that weight with me. It was almost natural, to make birdlife, take with the R6 the Canon 800mm f11 but then something was missing to take close-up photos (the 800 focuses at 5 meters abundant) and I took the RF 100/400 recommended to me by my trusted shopkeeper and I did not regret it at all. Later I added the R7 and then with a weight much lower than the previous kit I bring 2 camera bodies, an 800mm and the 100/400mm. This 'Zoom' is fast in the MAF, light and also very sharp with the right light. I make birdlife to my satisfaction and with the R7 and it becomes a 160/560 equivalent. I made comparisons with the photos taken with the old equipment and I think my shots are now definitely improved

Pgatto

sent on September 20, 2022

Pros: Weight, weight, weight!!! but also sharpness, speed and minimum distance of MAF.

Cons: Probably the position of the control ring, a hindrance when you want to focus manually.

Opinion: I state that I have been for years very happy owner and user of the EF 100-400 IS II, which for me remains the best zoom so far produced, which I use in Football, Rugby, air shows, etc. but I do not hide that outside the use mentioned above, I began to have difficulty carrying it with me "every day" even for a bit of birdlife or for fields. So, just switched to R6 and 7, curiosity got the better of it and, very skeptical, I wanted to take this RF 100-400 basically encouraged by featherweight for a 100-400. The first shots I took them in the garden, close-ups and already here, brandishing 1200 grams of R7 + RF 100-400 against the previous 2500 of 7D2 + 100-400 II, it was a pleasure! But even the results were not so bad indeed... So I took him to an air show and even there he showed himself up to it, but above all my back, after a day, was still almost healthy ... On Sunday, finally, I wanted to use it for the first half of a football match (in the second half I used the EF, so I could compare the results) and also in this case it behaved very well. Of course, the blurred, although pleasant, is not that of the "big biancone", in some situations of low contrast sends the MAF a bit into crisis, f / 8 if there is not so much light is the minimum union (although it must be said that the excellent management of the high ISO of both R6 and R7 (developing with DPP) helps a lot, it is not tropicalized (but frankly, I have always "protected" my equipment and I will continue to do so, tropicalized or not ...) but we are talking about a 100-400 of 750 euros ... and frankly, it's not worth 1/4 of its big brother EF but much, much more! I did not like the position of the control ring, I will probably have to take my hand, but it is the first I find when I intend to focus manually, perhaps the two rings should be positioned in reverse. As with all non-L lenses, Canon is careful not to provide bag and hood, but fortunately they are both (the bag even more valid than the "soft bags" and expensive ...) for little money, especially the hood: for the original Canon asks almost 100 euros, I took an excellent Profox - identical in everything except in the internal "velvet" - just over 10 ... In short, for me it is promoted with flying colors, I do everything, with R6 it is a "long all-rounder", with R7 you have fun for itinerant birdlife, sports with good light and many other occasions. ... And anyway, only those who do not have it speak badly, but on the web it is the rule.

There are 4 more reviews. Show all »

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

Guild

by Peppe Cancellieri
60 comments, 3936 views

HI RES 19.0 MP

Hope

by Peppe Cancellieri
44 comments, 1534 views

HI RES 8.3 MP

... I seemed to see a roe deer ...

by Franca Abello
34 comments, 1691 views

HI RES 4.2 MP

A veil of sadness

by Peppe Cancellieri
29 comments, 1683 views

HI RES 13.7 MP

Waves

by Fabrizios53
41 comments, 964 views

HI RES 7.0 MP

So far so close

by Coradocon
41 comments, 750 views

HI RES 20.5 MP

The foreigner

by Peppe Cancellieri
38 comments, 1070 views

HI RES 17.7 MP

Norway04 among rosebuds

by Gazebo
69 comments, 752 views

HI RES 28.5 MP

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Kingfisher

by Alb83
20 comments, 1374 views

HI RES 7.0 MP

St. Gaudentius and the Rose

by Coradocon
50 comments, 620 views

HI RES 24.0 MP

Kissed by the sun

by Coradocon
37 comments, 473 views

HI RES 9.6 MP

Saltimpalo F.

by Joele
27 comments, 717 views

HI RES 9.8 MP

Sea Dog

by Coradocon
39 comments, 561 views

HI RES 14.3 MP

In flight oasis

by Marinella Bertoglio
15 comments, 1105 views

HI RES 12.1 MP

Parco Nord Milan, 2022

by Giallo63
24 comments, 3074 views

HI RES 14.2 MP

Reflections

by Edoardo Vaccaro
26 comments, 774 views

HI RES 20.0 MP

Here I am again

by Lugace
11 comments, 1945 views

... And at the top I found a friend!!

by Thom
13 comments, 215 views

Bee-eater

by Alb83
8 comments, 924 views

HI RES 11.3 MP

Wave upon wave

by Fabrizios53
24 comments, 483 views

HI RES 7.8 MP

Concentration

by Coradocon
27 comments, 306 views

HI RES 22.5 MP

Czechoslovak wolf

by Daniele Stramaccioni
4 comments, 1969 views

Put Owls in your cannons!

by Diegoz
10 comments, 328 views

HI RES 3.8 MP

Vulture - Test RF 100-400 + RF multiplier 1.4

by Ashran
1 comments, 2151 views

HI RES 30.1 MP

Broom Sparrow (Prunella modularis)

by Alb83
8 comments, 382 views

HI RES 7.0 MP

Untitled

by Giallo63
16 comments, 844 views

HI RES 3.3 MP

Quarrel between terns

by Mariogiu
7 comments, 735 views

HI RES 10.5 MP

I'm coming too, no, you're not

by Coradocon
33 comments, 346 views

HI RES 4.3 MP

Rich dish I stick in

by Coradocon
24 comments, 335 views

HI RES 4.5 MP

Untitled Photo

by Photofarian
19 comments, 1152 views

HI RES 29.8 MP

Vajolet Towers

by Giallo63
15 comments, 541 views

HI RES 4.9 MP

The Last Rose

by Coradocon
26 comments, 370 views

White in the fog

by Thom
5 comments, 576 views

Redstart

by Alb83
7 comments, 377 views

HI RES 7.0 MP

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Hepatica nobilis

by Alb83
7 comments, 194 views

HI RES 7.0 MP

Buzzard

by Pgatto
6 comments, 1107 views

HI RES 16.7 MP

Ferruginous duck

by Daniele Stramaccioni
6 comments, 1012 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 RF 100-400mm f/5.6-8 IS USM

Canon RF 100-400mm f/5.6-8 IS USM : Specifications and Opinions

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Reviews

What do you think about this lens?

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