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In this Canon RF 15-35mm f/2.8L IS review Jared Polin discusses the benefits of one of the holy trinity lenses for the Canon EOS R full frame mirrorless system.
He says the Canon RF 15-35mm f/2.8L IS is a “must have” lens for the EOS R system.
More Canon RF 15-35mm f/2.8L IS review stuff is listed here.
Canon RF 15-35mm f/2.8L IS: [shopcountry 58388]
Tom of BorrowLenses compares Canon lenses for different mount types in this Canon RF vs EF lens comparison.
Canon RF lenses are for the new Canon EOS R full frame mirrorless system, Canon EF lenses fit on Canon DSLRs (APS-C and FF). So, which are better? Are the RF lenses an improvement over EF lenses? For this purpose these lenses have been compared:
All tests done on a Canon EOS R (EF lenses mounted via adapter). And here is the video with the Canon RF vs EF lens comparison:
Canon puts a lot of emphasis on their new lens mount system, and for a good reason. Some of the so far released lenses are nothing less than spectacular. An interview with the engineers designing and developing RF mount lenses is here.
The Canon RF 50mm f/1.2L is one of the boutique lenses Canon made for the EOS R, the other is the Canon RF 28-70mm f/2L. If you have any doubt left that the RF versions are an improvement, then have a look what DxOMark says.
It’s also pretty interesting to read what the experts at LensRentals have to say after a teardown of the RF 50mm (emphasis mine):
[…] the R lenses are not only entirely new optics, they are also largely new electrical and mechanical systems. There are a lot of different things in here that we haven’t seen in any Canon EF lenses. Some of them we should have expected, like the increased electronics going to the control ring. Others we don’t really understand yet, like the tension spring in the ring USM motor or the increased electrical shielding.[…] We also saw lots of new stuff we don’t completely understand yet and a level of complexity we weren’t expecting.[…] the RF lenses contain some new technology they [Canon, editor’s note] haven’t used before. There’s a lot of engineering that’s gone into these. Things are different inside here. As we’ll see in the next teardown we do, some of that is carrying over to at least some EF lenses. What does this mean? It means Canon has invested very heavily into developing the lenses of the R system. This level of engineering didn’t all happen in the last year, they’ve been working on this for quite a while.
Guess there is definitely a lot of new technology in Canon RF lenses compared to EF lenses.
Here are four popular mid-range APS-C mirrorless cameras that get compared one versus the other by Chris and Jordan of DPReview.
The Canon EOS M6 Mark II, Nikon Z 50, Sony a6400, and the Fujifilm X-T30 have to show what they can, their strength and weakness in the 12 minutes video below.
Already announced earlier, here is another batch of Canon firmware updates dealing with a security flaw in Canon’s Picture Transfer Protocol, the WiFi transfer protocol used on Canon cameras. More information about the security issue can be learned here.
Below you see all yet released firmware updates to fix the security flaw. All links point to the latest firmware.
Canon product advisory:
Thank you very much for using Canon products.
An international team of security researchers has drawn our attention to a vulnerability related to communications via the Picture Transfer Protocol (PTP), which is used by Canon digital cameras, as well as a vulnerability related to firmware updates.
(CVE-ID:CVE-2019-5994, CVE-2019-5995, CVE-2019-5998, CVE-2019-5999, CVE-2019-6000, CVE-2019-6001）Due to these vulnerabilities, the potential exists for third-party attack on the camera if the camera is connected to a PC or mobile device that has been hijacked through an unsecured network.
At this point, there have been no confirmed cases of these vulnerabilities being exploited to cause harm, but in order to ensure that our customers can use our products securely, we would like to inform you of the following workarounds for this issue.
* Ensure the suitability of security-related settings of the devices connected to the camera, such as the PC, mobile device, and router being used.
* Do not connect the camera to a PC or mobile device that is being used in an unsecure network, such as in a free Wi-Fi environment.
* Do not connect the camera to a PC or mobile device that is potentially exposed to virus infections.
* Disable the camera’s network functions when they are not being used.
* Download the official firmware from Canon’s website when performing a camera firmware update.
Models Affected
These vulnerabilities affect the EOS-series digital SLR and mirrorless cameras PowerShot SX740 HS, PowerShot SX70 HS, PowerShot G5X Mark II.
Firmware Update
There is an increased use of PCs and mobile devices in an unsecure (free Wi-Fi) network environment where customers are not aware of the network security. As it has become prevalent to transfer images from a camera to a mobile device via Wi-Fi connection, we will implement firmware updates for the following models that are equipped with the Wi-Fi function.
B&H Photo has a Samyang/Rokinon lens deal going on.
Samyang (or Rokinon) lenses are discounted by 37% (or up to $300). Prices start at $199. Click here to see all Samyang/Rokinon deal lenses.
More deals are listed here.
KEH has a holidays photography beginner kits deal going on (used gear). Camera kits start at $159.
More deals are listed here.
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