Canon announces the RF 10-20mm f/4L IS STM

Wednesday 11 October 2023, 15:45 by Nando Harmsen | 2,177 views | 2 comments

This article was translated from Dutch with the help of AI. Read the original.

Canon has released a special ultra-wide-angle zoom lens for its mirrorless system. The RF10-20mm f/4L IS STM has an extremely wide field of view, and features image stabilisation and a stepping motor for autofocus.

The RF 10-20mm f/4L IS STM can be seen as the successor to the EF 11-24mm f/4L USM. However, Canon has managed to make the field of view even wider. The consequence is that the zoom range now goes up to a maximum of 20mm.

Although a few millimetres of field of view may not seem like much, a 10mm focal length gives you no less than twice the field of view of a 14mm focal length. Compared with 12mm, this is 1.4 times as much.

The lens is smaller and half the weight of the EF 11-24L. This makes the RF 10-20mm f/4L IS USM much easier to handle and more pleasant to use.

There are a few special features on this lens. Image stabilisation is available, and the lens is the first L version with a stepping motor. The focusing distance is programmable.

As is normal with this type of lens, it is not possible to use filters. Except for gelatin filters, which can be fitted at the rear.

The lens will be available in November. The recommended retail price of the RF10-20mm f/4L IS STM is 2739.99 euros.

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About the author

Nando Harmsen has been photographing for more than 40 years. He specialises in wedding photography and landscape photography. Nando also gives talks, workshops, masterclasses and photo trips, and regularly reviews new and interesting equipment.

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2 comments

Donald Willemsen wrote on Tuesday 17 October 2023 at 10:44 | reply
It will undoubtedly be a very good lens, but I still think a price of almost €2800 is a bit too much.
By the way, I have noticed that since January of this year, the prices of cameras and accessories have risen considerably.
I bought my R7 kit last October for €1919. That same kit now costs €2099.
Translated from Dutch.

Henri wrote on Tuesday 17 October 2023 at 11:13 | reply
"The lens will become available in November"

Canon has now informed us in a statement that they will not be delivering this lens this year: it will be 2024.

Canon also provides an explanation of this lens's IS system.
IS is constructed in such a way that it compensates for the blur in the corners caused by IBIS.

Canon also states that an STM drive can be used for the autofocus here because only one glass element needs to be moved for focusing in this lens. With other 'L' lenses, this is always done with a larger group of glass elements and that is too heavy for the weaker STM drive.
The advantage of the STM motor is that it is quieter: pleasant for video recordings.
Translated from Dutch.

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