Canon RF 100-300mm F2.8 L IS USM vs Canon EF 28-300mm F3.5-5.6 L IS USM

This is a full comparison between the lenses Canon RF 100-300mm F2.8 L IS USM and Canon EF 28-300mm F3.5-5.6 L IS USM .

Compare Specifications

Product
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Name Canon RF 100-300mm F2.8 L IS USM Canon EF 28-300mm F3.5-5.6 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Release Year 2023 2004
Release Date 2023-04-20
MSRP N/A 2689 USD
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Lens Type
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Lens Type Telephoto
Supertelephoto
Superzoom
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Mount Canon RF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Nano ultrasonic No information
Focus Method No information No information
Closest Focusing Distance 180 cm 70 cm
Maximum Magnification 0,16
Aperture
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Maximum Aperture F2,8 F3,5-5,6
This lens has a variable aperture at different focal lengths.
F3,5 at 28 mm
F5,6 at 300 mm
Variable Aperture
Diaphragm Blades 9 No information
Optics
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Construction 23 elements  /  18 groups 22 elements  /  16 groups
Special Elements/Coatings One fluorite element, four UD elements, one aspherical element No information
Focal Length
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Focal Length 100-300 mm 28-300 mm
Zoom Range 200 mm 272 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes Yes
IS
Image Stabilization CIPA Rating 5 stops N/A
Physical
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Weather Sealing Yes Yes
Diameter 128 mm 92 mm
Length 323 mm 184 mm
Weight 2650 gr 1670 gr
Other
Canon RF 100-300mm F2.8 L IS USM
Canon EF 28-300mm F3.5-5.6 L IS USM
Filter Type Filter Thread Filter Thread
Filter Diameter 112 mm 77 mm
Lens Hood Included Included
Lens Hood SKU ET-124 EW-83G
Tripod Collar Included Included
Tripod Collar SKU N/A N/A