Canon RF 135mm F1.8 L IS USM vs Canon EF 135mm F2.8 Soft Focus

This is a full comparison between the lenses Canon RF 135mm F1.8 L IS USM and Canon EF 135mm F2.8 Soft Focus.

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Product
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Name Canon RF 135mm F1.8 L IS USM Canon EF 135mm F2.8 Soft Focus
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Release Year 2022 1987
Release Date 2022-11-02
MSRP N/A 549 USD
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Lens Type
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Lens Type Telephoto Telephoto
Zoom or Prime Prime lens (no zoom) Prime lens (no zoom)
Mount and Compatibility
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Mount Canon RF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
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 70 cm 130 cm
Maximum Magnification 0,26
Aperture
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Maximum Aperture F1,8 F2,8
Diaphragm Blades No information No information
Optics
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Construction 17 elements  /  12 groups 7 elements  /  6 groups
Special Elements/Coatings 3 Ultra-low Dispersion No information
Focal Length
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Focal Length 135 mm 135 mm
Zoom Range None (Prime lens)
No Zoom available.
None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes No
Image Stabilization CIPA Rating N/A N/A
Physical
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Weather Sealing Yes No
Diameter 89 mm 69 mm
Length 130 mm 98 mm
Weight 935 gr 390 gr
Other
Canon RF 135mm F1.8 L IS USM
Canon EF 135mm F2.8 Soft Focus
Filter Type Filter Thread Filter Thread
Filter Diameter 82 mm 52 mm
Lens Hood Included Not Included
Lens Hood SKU ET-88B ET-65 III
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A