Canon RF 10-20mm F4 L IS STM vs Canon EF 400mm F4 DO IS USM

This is a full comparison between the lenses Canon RF 10-20mm F4 L IS STM and Canon EF 400mm F4 DO IS USM .

Compare Specifications

Product
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Name Canon RF 10-20mm F4 L IS STM Canon EF 400mm F4 DO IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Release Year 2023 2001
Release Date 2023-10-11
MSRP N/A 6469 USD
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Lens Type
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Lens Type Wide Angle Lens Telephoto
Supertelephoto
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO 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 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Stepper motor No information
Focus Method No information No information
Closest Focusing Distance 25 cm 350 cm
Maximum Magnification 0,12
Aperture
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Maximum Aperture F4 F4
Diaphragm Blades 9 No information
Optics
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Construction 16 elements  /  12 groups 17 elements  /  13 groups
Special Elements/Coatings 1 Super UD, 3 UD, and 3 aspherical lenses No information
Focal Length
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Focal Length 10-20 mm 400 mm
Zoom Range 10 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 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Weather Sealing Yes Yes
Diameter 84 mm 128 mm
Length 112 mm 232 mm
Weight 570 gr 1940 gr
Other
Canon RF 10-20mm F4 L IS STM
Canon EF 400mm F4 DO IS USM
Filter Type Not possible to have Filter Drop-in Filter
Filter Diameter N/A 52 mm
Lens Hood Included (Solid Construction) Included
Lens Hood SKU N/A ET-120
Tripod Collar N/A Included
Tripod Collar SKU N/A N/A