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Canon RF 100-300mm f/2.8 L IS USM : Specifications and Opinions

The Canon RF 100-300mm f/2.8 L IS USM is a supertele lens for FF and APS-C, manufactured from 2023. 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 12000 €;

2 users have given it an average vote of 10.0 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	100-300 mm
Angle of view	24.4 - 8.2°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	9
Lenses/Groups	23 elements in 18 groups
Min. focus distance	1.8 meters
Reproduction ratio	0.16x
Features
Zoom type	Ring, interal
Stabilization	Yes (built in lens)
Focus	Ultrasonic AF Motor (Nano-USM)
Internal Focus	Yes
Built and notes
Tripod ring	Yes
Extenders	Yes
Filters	112 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	2650 g
Dimensions	128 x 323 mm
Buy
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

_Axl_

sent on July 18, 2023

Pros: Very correct lens and without AC, sharpness, micro constrasto, image quality also multiplied, top construction, fluid ring and with a manageable stroke with a single hand movement, immediate AF, very compact hood, excellent balance, 5.5 stop stabilizer very silent.

Cons: No built-in CT.

Opinion: The lens is compact, it is slightly longer than the Canon EF 300 f2.8 IS II (323 mm VS 249mm) and is slightly heavier (2650 g VS 2400 g) but in the hand it falls better, it is better balanced thanks to the smaller hood (as shown in the photo). The combination with the R3 is perfect, those who have tried a Canon Series 1 (or R3) (or Nikon Flagships) understand well what are the advantages of a generous body with integrated BG, the balance is perfect and the grip is safe both vertically and horizontally. The zoom is internal. The construction is, like all Supertele L, very solid and at the highest levels, the lens is obviously tropicalized and the materials are at the top of quality. While the Canon EF 300 f2.8 IS mounts an ultrasonic AF motor (Ring-USM), this new Supertele RF mounts two Nano USM motors thanks to which the MAF with the R3 is immediate, stable and very quiet making this lens perfect, in combo with an electronic shutter, for shots in conditions that require absolute silence (I think of theaters or photojournalism). The speed of MAF is appreciated in passing from the minimum distance of MAF (1.8 meters) to infinity; The work done on this front is surprising. The bokeh is beautiful, I took @f2.8 a portrait with plants behind and the resulting background is wonderful; compared to my Canon EF 300 f2.8 IS II the blur is even more pleasant because the subject in focus is even sharper while retaining its contours well but, at the same time, the figurine effect is avoided. The 5.5 stop image stabilization works in an absolutely silent and imperceptible way, the zoom ring is very fluid and precise and it is easy to switch in a single movement from 100mm to 300mm. The AC are non-existent, the lens is very correct thanks to the use, among other things, of a fluorite lens and four UDs. I got to use it on the R3 and R5 with the Canon RF TC 1.4x and the IQ is not affected at all as well as the speed of MAF. The Supertele is sold with its own double zip bag. As you know the price of the Canon RF 100-300 f2.8 L IS USM is around € 11,990 and € 12,500, objectively many in absolute value but a lens like this, combined with the two TC 1.4x and 2.x, allows you to have: - a 100-300 f2.8; - a 140-420 f4; - a 200-600 f5.6; while, if mounted on an R7, it can allow you to arrive (in combo with a TC 2x) to an eq. of 960mm. The lens has already been pre-ordained by numerous professionals working in the fields of fashion, journalism, sports and indoor events. Personally I find it an ideal focal excursion also for African Safari (except for Tanzania where the distances from the animals suggest longer lenses) and for other photographs of birdlife as evidenced by the galleries of the Canon EF 300 f2.8 IS II on Juza. In my opinion, finally, a 100-300 f2.8 is the ideal travel Supertele because it is relatively compact and, combined with two TC 1.4x and 2x, allows you to comfortably get (on FF) @600mm to f5.6 and (on APSC) @960mm. If you practice the genres I have described above this is, for me, a definitive lens. The only flaw of this 100-300, for me, is not to have a TC 1.4x / 2x integrated, for the rest nothing to say.

Photos taken with Canon RF 100-300mm f/2.8 L IS USM

The Lion King

by Pier Colombo
26 comments, 523 views

HI RES 13.4 MP

Leclerc

by Jjkfdk
2 comments, 1523 views

IceLab

by Gipr
10 comments, 437 views

HI RES 5.1 MP

Alonso

by Jjkfdk
2 comments, 961 views

Italy vs Scotland 6 Nations 2026

by Massimoargenziano
4 comments, 318 views

HI RES 5.2 MP

Italy vs Scotland 6 Nations 2026

by Massimoargenziano
3 comments, 250 views

HI RES 5.2 MP

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Speedway Italian Championship

by Gipr
4 comments, 348 views

HI RES 6.9 MP

Mekies

by Jjkfdk
4 comments, 1084 views

Ice Speedway

by Gipr
0 comments, 412 views

HI RES 7.3 MP

Jumping.. what a spectacle !

by Gipr
10 comments, 254 views

HI RES 9.2 MP

Luca Bauer - Ice Speedway

by Gipr
6 comments, 372 views

HI RES 6.0 MP

Italy vs Scotland 6 Nations 2026

by Massimoargenziano
0 comments, 220 views

HI RES 5.2 MP

Speedway Italian Championship

by Gipr
4 comments, 359 views

Horse Fair - Jumping

by Gipr
6 comments, 263 views

HI RES 7.4 MP

Rugby Serie A Elite - Viadana vs Mogliano

by Gipr
2 comments, 744 views

Ice Lab

by Gipr
2 comments, 384 views

HI RES 11.5 MP

Stages of Play Italy Scotland 6 Nations 2026 Stadio Olim

by Massimoargenziano
0 comments, 205 views

HI RES 5.2 MP

World Waterski

by Gipr
4 comments, 326 views

Speedway Italian Championship - Nicolas Covatti

by Gipr
6 comments, 308 views

Dolomites vs Tel Aviv

by Gipr
6 comments, 548 views

World Waterski

by Gipr
0 comments, 247 views

Speedway Italian Championship - Nicolas Covatti

by Gipr
2 comments, 306 views

World Waterski

by Gipr
6 comments, 280 views

HI RES 4.0 MP

Horse Fair - Jumping

by Gipr
0 comments, 186 views

HI RES 12.9 MP

ICE Lab

by Gipr
0 comments, 268 views

HI RES 5.2 MP

75th Centomiglia del Lario 2024

by Gipr
0 comments, 455 views

HI RES 4.6 MP

Speedway - Italian Championship

by Gipr
0 comments, 235 views

Albon

by Jjkfdk
4 comments, 829 views

Viadana vs Colorno

by Gipr
0 comments, 233 views

Liam Lawson - Visa Cash App RB

by Giacomo Rossi
6 comments, 173 views

HI RES 33.9 MP

Rugby Serie A Elite - Rangers Rugby vs Rovigo

by Gipr
8 comments, 377 views

Joker & Harley Quinn

by Giacomo Rossi
0 comments, 141 views

HI RES 7.0 MP

Fisg - Italian Figure Skating Championships

by Gipr
2 comments, 160 views

Viadana vs Colorno

by Gipr
0 comments, 196 views

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04 Park - Departure

by Giacomo Rossi
4 comments, 209 views

HI RES 16.2 MP

Rugby Serie A "Elite" - Rangers Vicenza vs Viadana

by Gipr
0 comments, 84 views

HI RES 5.7 MP

American Football - Warm-up

by Gipr
2 comments, 280 views

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Reviews » Lenses » Lenses Canon » Canon RF 100-300mm f/2.8 L IS USM

Canon RF 100-300mm f/2.8 L IS USM : Specifications and Opinions

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Reviews

What do you think about this lens?

Photos taken with Canon RF 100-300mm f/2.8 L IS USM