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Canon EF 75-300mm f4.0-5.6 III USM Review

Canon EF 75-300mm f4.0-5.6 III USM

Main Features

  • 75-300mm Focal Range
  • F4.0 - F5.6 Max Aperture
  • Filter Thread: 58mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 480g.
  • Diameter: 71mm
  • Length: 122mm
  • Min Focus Distance:1.5m
  • Max Magnification:0.25x
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Canon 75-300mm f4.0-5.6 III USM Overview

Canon 75-300mm f4.0-5.6 III USM is an Auto Focus (AF) Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.

Lenses in Canon EF Mount with Same Focal and Aperture Range
Model Coverage Weight Focusing Street Price
Canon EF 75-300mm f4.0-5.6 III Lens Canon EF 75-300mm f4.0-5.6 III
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35mm FF 480gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 IS USM Lens Canon EF 75-300mm f4.0-5.6 IS USM
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35mm FF 650gr AF Amazon B&H Photo

Lens Mount

Canon 75-300mm f4.0-5.6 III USM is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Focal Range

Canon 75-300mm f4.0-5.6 III USM has a focal range of 75-300mm and 4.0X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 120 - 480mm.

Optical Image Stabilization

Canon 75-300mm f4.0-5.6 III USM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Alternatively, you can check the Canon EF 70-300 F4-5.6 IS II USM in Canon EF mount that have similar focal range but features Optical Image Stabilization.

Lenses Similar to Canon 75-300mm f4.0-5.6 III USM With Optical Image Stabilization
Model Coverage Weight Focusing Street Price
Canon EF 70-300 F4-5.6 IS II USM Lens Canon EF 70-300 F4-5.6 IS II USM
Compare
35mm FF 710gr AF Amazon B&H Photo
Canon EF 70-300mm f4-5.6 IS USM Lens Canon EF 70-300mm f4-5.6 IS USM
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35mm FF 630gr AF Amazon B&H Photo
Canon EF 70-300mm f4-5.6L IS USM Lens Canon EF 70-300mm f4-5.6L IS USM
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35mm FF 1050gr AF Amazon B&H Photo
Canon EF 70-300mm f4.5-5.6 DO IS USM Lens Canon EF 70-300mm f4.5-5.6 DO IS USM
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35mm FF 720gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 IS USM Lens Canon EF 75-300mm f4.0-5.6 IS USM
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35mm FF 650gr AF Amazon B&H Photo
Sigma 70-300mm F4-5.6 DG OS Lens Sigma 70-300mm F4-5.6 DG OS
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35mm FF 610gr AF Amazon B&H Photo
Tamron SP 70-300mm F4-5.6 Di VC USD Lens Tamron SP 70-300mm F4-5.6 Di VC USD
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35mm FF 765gr AF Amazon B&H Photo

Zoom Method

Canon 75-300mm f4.0-5.6 III USM features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.

Maximum Magnification Ratio

Canon 75-300mm f4.0-5.6 III USM has a Max Magnification Ratio of 0.25x and has a minimum focusing distance of 1.5m. For a non-macro lens, the 0.25x is considered a high magnification and will come handy for close-up shots.

Aperture

Canon 75-300mm f4.0-5.6 III USM is a variable aperture lens with a max aperture of f4 and a minimum aperture of f32 at 75mm, and a max aperture of f5.6 and minimum aperture of f45 at 300mm .

Optical Formula

Canon 75-300mm f4.0-5.6 III USM's optical formula consists of 13 elements in 9 groups .

Lens Hood

Canon 75-300mm f4.0-5.6 III USM doesn't come with a lens hood but there is an optional lens hood with a part code of ET-60 that you can order separately.

Body Colour

Canon 75-300mm f4.0-5.6 III USM is available in Black color.

Popular Comparisons of Canon 75-300mm f4.0-5.6 III USM

Here is the eight most popular comparisons of Canon 75-300mm f4.0-5.6 III USM amongst Camera Decision readers.

Top Alternatives of Canon 75-300mm f4.0-5.6 III USM Lens
Model Coverage Weight Focusing Street Price
Canon EF 70-300 F4-5.6 IS II USM Lens Canon EF 70-300 F4-5.6 IS II USM
Compare
35mm FF 710gr AF Amazon B&H Photo
Canon EF 90-300mm f4.5-5.6 USM Lens Canon EF 90-300mm f4.5-5.6 USM
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35mm FF 420gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 III Lens Canon EF 75-300mm f4.0-5.6 III
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35mm FF 480gr AF Amazon B&H Photo
Canon RF 100-400mm F5.6-8 IS USM Lens Canon RF 100-400mm F5.6-8 IS USM
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35mm FF 635gr AF Amazon B&H Photo
Sigma 70-300mm F4-5.6 APO DG Macro Lens Sigma 70-300mm F4-5.6 APO DG Macro
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35mm FF 550gr AF Amazon B&H Photo
Canon EF 70-300mm f4-5.6 IS USM Lens Canon EF 70-300mm f4-5.6 IS USM
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35mm FF 630gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 IS USM Lens Canon EF 75-300mm f4.0-5.6 IS USM
Compare
35mm FF 650gr AF Amazon B&H Photo
Canon EF-S 55-250mm f4-5.6 IS Lens Canon EF-S 55-250mm f4-5.6 IS
Compare
APS-C / DX 390gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Pros and Cons of Canon EF 75-300mm f4.0-5.6 III USM


PROs
Built-in Autofocus
Covers Full-Frame Sensor

CONs
No Weather Sealing
Lens Extents while focusing
Slow Aperture at Wide end
Slow Aperture at Tele end
Variable Aperture
Canon EF 75-300mm f4.0-5.6 III USM Alternatives in Canon EF Mount
Model Coverage Weight Focusing Street Price
Canon EF 70-300 F4-5.6 IS II USM Lens Canon EF 70-300 F4-5.6 IS II USM
Compare
35mm FF 710gr AF Amazon B&H Photo
Canon EF 70-300mm f4-5.6 IS USM Lens Canon EF 70-300mm f4-5.6 IS USM
Compare
35mm FF 630gr AF Amazon B&H Photo
Canon EF 70-300mm f4-5.6L IS USM Lens Canon EF 70-300mm f4-5.6L IS USM
Compare
35mm FF 1050gr AF Amazon B&H Photo
Canon EF 70-300mm f4.5-5.6 DO IS USM Lens Canon EF 70-300mm f4.5-5.6 DO IS USM
Compare
35mm FF 720gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 III Lens Canon EF 75-300mm f4.0-5.6 III
Compare
35mm FF 480gr AF Amazon B&H Photo
Canon EF 75-300mm f4.0-5.6 IS USM Lens Canon EF 75-300mm f4.0-5.6 IS USM
Compare
35mm FF 650gr AF Amazon B&H Photo
Canon EF 90-300mm f4.5-5.6 Lens Canon EF 90-300mm f4.5-5.6
Compare
35mm FF 420gr AF Amazon B&H Photo
Canon EF 90-300mm f4.5-5.6 USM Lens Canon EF 90-300mm f4.5-5.6 USM
Compare
35mm FF 420gr AF Amazon B&H Photo
Sigma 70-300mm F4-5.6 APO DG Macro Lens Sigma 70-300mm F4-5.6 APO DG Macro
Compare
35mm FF 550gr AF Amazon B&H Photo
Sigma 70-300mm F4-5.6 DG Macro Lens Sigma 70-300mm F4-5.6 DG Macro
Compare
35mm FF 550gr AF Amazon B&H Photo
Sigma 70-300mm F4-5.6 DG OS Lens Sigma 70-300mm F4-5.6 DG OS
Compare
35mm FF 610gr AF Amazon B&H Photo
Tamron AF 70-300mm F4-5.6 Di LD Macro Lens Tamron AF 70-300mm F4-5.6 Di LD Macro
Compare
35mm FF 435gr AF Amazon B&H Photo
Tamron SP 70-300mm F4-5.6 Di VC USD Lens Tamron SP 70-300mm F4-5.6 Di VC USD
Compare
35mm FF 765gr AF Amazon B&H Photo

Canon 75-300mm f4.0-5.6 III USM Detailed Specifications


General
Brand Canon
Lens Type Zoom
Lens Type Telephoto Zoom
Lens Mount Canon EF
Max Format 35mm FF
Focal Range 75-300mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No
Zoom Lock No
Zoom Ratio 4.0X
APERTURE
Max Aperture F4.0 - F5.6
Min Aperture F32.0 - F45.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 13
Optical Groups 9

FOCUSING
Min Focus Distance 1.5m
Max Magnification 0.25X
Autofocus Yes
AF Motor Type Micro-type ultrasonic
Full Time Manual No
Focus Method Extending front
Distance Scale No
DoF Scale No
PHYSICAL SPECS
Weight 480g
Diameter 71mm
Length 122mm
Materials Plastic barrel, metal mount
Weather Sealing No
Filter Thread 58mm
Filter Notes -
Hood Code ET-60
Tripod Collar No
Optional Accessories Soft Case LP1019
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Frequently Asked Questions about Canon EF 75-300mm f4.0-5.6 III USM
is the Canon EF 75-300mm f4.0-5.6 III USM a Weather Sealed lens?
What is the Minimum Focusing Distance of Canon EF 75-300mm f4.0-5.6 III USM
is the Canon EF 75-300mm f4.0-5.6 III USM an Autofocus (AF) lens?
What is the Filter Thread Size of Canon EF 75-300mm f4.0-5.6 III USM
Does Canon EF 75-300mm f4.0-5.6 III USM have Image Stabilization?
Does Canon EF 75-300mm f4.0-5.6 III USM have Aperture Ring?
What is the Maximum Magnification Ratio of Canon EF 75-300mm f4.0-5.6 III USM
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