Domestic lens manufacturer Viltrox indirectly confirmed that they had immediately stopped selling all lenses using the RF mount after receiving a "request" from Canon . The reason for this matter is that not long ago, some foreign netizens asked Viltros after-sales service why they could not download the firmware update for the RF mount lens through the Viltros official website. Viltrox's answer did not beat around the bush, see the picture below for details:
The general content of the conversation was that Canon asked Viltrox to stop selling RF mount lenses. And in addition to the domestic Viltrox, South Korea's Samyang is believed to have also received a "ban" from Canon, because the AF 14mm F2.8 RF lens that Samyang also launched years ago has now disappeared from the official website. However, third-party RF lenses such as Laowa that use manual focus lenses (without any electronic contacts on the mount) still seem to be unaffected so far.
The manufacturer does not know when the "ban" will be lifted
The source also said that the detailed specifications of the Canon RF mount can be easily found online, but in addition to the physical design of the mount system, the electronic communication system is equally important. The electronic communication system of the RF mount is still exclusively owned by Canon and has not been made public to facilitate Canon to exercise its patent protection rights and sue manufacturers for patent infringement. This may be the reason why Canon only bans autofocus RF lenses and temporarily turns a blind eye to manual focus RF lenses.
Currently, Viltrox’s official website does not list any RF mount lenses.
Looking at other camera brands, Sony has always been open to the FE mount. Nowadays, almost all third-party lens manufacturers have launched Sony FE or Sony E mount. Lenses (including automatic and manual focus). Even Fujifilm, which has been "exclusive" for a long time, has recently begun to open up the X-mount, and the selection of sub-factory lenses is increasing day by day. After all, the expertise, characteristics and development goals of each brand are different. It is difficult to say whether an open bayonet mount is a good thing or a bad thing. However, from the user's perspective, having the support of more sub-factory lenses is definitely a major selling point of the camera system.
via: DIY Photographer
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