Canon EF 100-300mm f/4.5-5.6 USM : Specifications and Opinions

Canon EF 100-300mm f/4.5-5.6 USM

The Canon EF 100-300mm f/4.5-5.6 USM is a tele lens for FF and APS-C, manufactured from 1990 (discontinued). The focus is done by Ultrasonic AF Motor (Ring-USM), it does not have image stabilization.

7 users have given it an average vote of 8.0 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	100-300 mm
Angle of view	24.4 - 8.3°
Format	FF, APS-C
Max. aperture	f/4.5-5.6
Aperture blades	8
Lenses/Groups	13 elements in 10 groups
Min. focus distance	1.50 meters
Reproduction ratio	0.20x
Features
Zoom type	Ring, external
Stabilization	No
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	No
Built and notes
Tripod ring	No
Extenders	No
Filters	58 mm
Lens hood	Yes (not supplied)
Weather sealing	No
Weight	540 g
Dimensions	73 x 121.5 mm
Buy
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Reviews

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The following opinions have been automatically translated with Google Translate.

Ric96

sent on 31 Gennaio 2023

Pros: flexibility of use, lightness, fluid and precise focus ring

Cons: Chromatic aberrations, barely sufficient sharpness

Opinion: After some practice with this lens I can say that it is extremely fun to use, and the possibility of going from a focal length of 100mm to 300mm (on FF, otherwise with the conversion factor for Canon APS-C - 1.6x -, we are on an equivalent of 160-480mm) is certainly an advantage, because it is possible to capture any subject at medium-long distance. The intrinsic lightness of the lens (it is almost all made of plastic material) is a merit and a defect at the same time, because it is quite fragile to the touch and the risk is to damage it easily. Risk not too remote since it is a lens certainly designed to be transported and tossed around, certainly not from stalking. What is really a limit, however, shooting handheld, is the poor sharpness of the images, even shooting at times well above the safety ones; which nullifies the sense of such a flexible objective in terms of potential and modularity of use. I reserve the right to try it with a tripod to assess if in fact it is a problem of my dancing hand. Even more serious as a problem but, apparently looking online, typical of this lens, is the very strong chromatic aberration that occurs indiscriminately on all images, at any focal length. All things considered, I would recommend this lens only to those who have no pretensions and are looking for an inexpensive solution to approach the world of telephoto lenses.

Photos taken with Canon EF 100-300mm f/4.5-5.6 USM

Sunrise over the Marmolada

by Paolo_Novello
16 comments, 1315 views

Squirrel train

by Ric96
10 comments, 1911 views

Three diaphragm blades

by Matteo.manzotti
32 comments, 1860 views

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16 comments, 2104 views

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by Angelo Nakhnoukh
12 comments, 1585 views

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by Astro_kiara
9 comments, 2266 views

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by Astro_kiara
1 comments, 1833 views

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Drilling Sun

by Brutale910s
5 comments, 2430 views

Just ... ice!

by Astro_kiara
5 comments, 1916 views

The loneliness of the tractor

by Thomasludan
11 comments, 935 views

Untitled Photo

by Antonio Desiderio 1984
7 comments, 515 views

Untitled Photo

by Astro_kiara
5 comments, 1688 views

Fortore Valley

by Thomasludan
2 comments, 881 views

First snow on the Dolomites

by Paolo_Novello
9 comments, 686 views

Shades

by Thomasludan
8 comments, 853 views

Cardellino from the balcony

by Luigi Artesani
2 comments, 1181 views

Light of the city '

by Fotogiallo
0 comments, 1132 views

Matter of X Factor!

by Simone Leo
11 comments, 941 views

Clear # 1

by Roby_Balduzzi
5 comments, 2107 views

Turin

by Fabrizio Rigato
2 comments, 1212 views

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by Andystefy
2 comments, 940 views

Pan

by Brutale910s
7 comments, 2213 views

Lamppost

by Ric96
2 comments, 356 views

Icarus 03

by Inachis72
3 comments, 1844 views

Roasted chestnuts

by Simone Leo
6 comments, 883 views

Prague

by Marcov
2 comments, 1450 views

Funes, vision from the country centre

by Luigi Artesani
4 comments, 792 views

Damsel

by Thomasludan
2 comments, 1064 views

Yellow

by Zio Bob
3 comments, 832 views

Untitled Photo

by Misterg
2 comments, 1360 views

Untitled Photo

by Antonio Desiderio 1984
4 comments, 288 views

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Desfino (Italy)

by Dtd73
4 comments, 500 views

Ghost in Turin

by Simone Leo
0 comments, 913 views

Aquila clanga

by Mascovici Stefan
0 comments, 1228 views

Milk Thistle

by Thomasludan
2 comments, 935 views

Dragonfly

by Ric96
6 comments, 472 views

Seagull on the rock

by Dtd73
2 comments, 377 views

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Canon EF 100-300mm f/4.5-5.6 USM : Specifications and Opinions

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Reviews

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Photos taken with Canon EF 100-300mm f/4.5-5.6 USM