Canon EF 100-300mm F4.5-5.6 USM vs Canon EF 75-300mm F4-5.6 III USM

This is a full comparison between the lenses Canon EF 100-300mm F4.5-5.6 USM and Canon EF 75-300mm F4-5.6 III USM .

Compare Specifications

Product
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Name Canon EF 100-300mm F4.5-5.6 USM Canon EF 75-300mm F4-5.6 III USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Release Year 1990 1999
Release Date
MSRP 470 USD 234 USD
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Lens Type
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Lens Type Telephoto Telephoto
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Mount Canon EF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Ultrasonic No information
Focus Method No information No information
Closest Focusing Distance 150 cm 150 cm
Maximum Magnification 5
Aperture
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Maximum Aperture F4,5-5,6
This lens has a variable aperture at different focal lengths.
F4,5 at 100 mm
F5,6 at 300 mm
Variable Aperture
F4-5,6
This lens has a variable aperture at different focal lengths.
F4 at 75 mm
F5,6 at 300 mm
Variable Aperture
Diaphragm Blades 8 No information
Optics
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Construction 13 elements  /  10 groups 13 elements  /  9 groups
Special Elements/Coatings No information No information
Focal Length
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Focal Length 100-300 mm 75-300 mm
Zoom Range 200 mm 225 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Weather Sealing No No
Diameter 73 mm 71 mm
Length 121 mm 122 mm
Weight 540 gr 480 gr
Other
Canon EF 100-300mm F4.5-5.6 USM
Canon EF 75-300mm F4-5.6 III USM
Filter Type Filter Thread Filter Thread
Filter Diameter 58 mm 58 mm
Lens Hood Not Included Not Included
Lens Hood SKU ET-65 III ET-60
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A
Other Optional accessories Soft Case ES-C17/LP1019