In April of this year, Tamron announced that it was developing its first autofocus lens for Canon RF mount – the Tamron 11-20mm f/2.8 Di III-A RXD. Now, with the official release scheduled for ...

It appears that Canon has just loosened the stranglehold, though, as Tamron has announced the development of its first RF lens – with autofocus – and Sigma is set to follow suit later in the year.

Tamron Co., Ltd., specialised manufacturer of optics and one of the leading companies in the security / surveillance equipment industry announces the launch of a Vari-Focal lens 1/3” 5-50mm F/1.6 ...

And while we've seen a spattering of lenses from third parties, including autofocus options from budget brand Rokinon-Samyang, the big players (Sigma and Tamron) haven't jumped on to make RF-mount ...

Flare is, as usual for Tamron lenses, very well tamed and it is very difficult to create any artefacts even under severe lighting conditions. There is some loss of contrast in severe backlighting ...