Canon RF 100-300mm F2.8 L IS USM vs Canon EF 300mm F2.8 L IS USM

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

Compare Specifications

Product
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Name Canon RF 100-300mm F2.8 L IS USM Canon EF 300mm F2.8 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Release Year 2023 1999
Release Date 2023-04-20
MSRP N/A 4879 USD
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Lens Type
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Lens Type Telephoto
Supertelephoto
Telephoto
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 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 300mm F2.8 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 250 cm
Maximum Magnification 0,16 7,7
Aperture
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Maximum Aperture F2,8 F2,8
Diaphragm Blades 9 No information
Optics
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Construction 23 elements  /  18 groups 17 elements  /  13 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 300mm F2.8 L IS USM
Focal Length 100-300 mm 300 mm
Zoom Range 200 mm None (Prime lens)
No Zoom available.
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 300mm F2.8 L IS USM
Weather Sealing Yes Yes
Diameter 128 mm 128 mm
Length 323 mm 252 mm
Weight 2650 gr 2550 gr
Other
Canon RF 100-300mm F2.8 L IS USM
Canon EF 300mm F2.8 L IS USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 112 mm 52 mm
Lens Hood Included Included
Lens Hood SKU ET-124 ET-120
Tripod Collar Included Included
Tripod Collar SKU N/A N/A