The Canon EOS R5 and the Canon EOS R6 were only announced today, and they accept an IBIS arrangement that is unlike any other.
Canon is saying that the Catechism EOS R5 and the Canon EOS R6 can accept upwardly to eight stops of paradigm stabilization with the right lenses. That’southward quite insane to hear! It more or less means that you can accept all the coffee jitters and notwithstanding possibly go a blur-free shot. But what happens if you don’t accept an image stabilized lens attached? Indeed, 2 of the company’s all-time lenses are the RF 50mm f1.ii L USM and the RF 85mm f1.2 50 USM–neither of which have image stabilization. And then who tin forget their very innovative RF 28-70mm f4 L USM lens? Well, according to Catechism, the prototype stabilization will all depend on the focal length that yous’re using.
Where Does IBIS Most Count?

Commencement off, anybody talks about how they need IBIS. Well, honestly, IBIS (in-trunk image stabilization) is merely really most effective at wider focal lengths. Every bit the focal lengths become longer, you’re better served by lens-based image stabilization. If y’all’ve ever looked through binoculars, it’south a very similar concept. And so this ways that if you’re shooting with the Canon RF 28-70mm f2 L USM, you’re going to go the nearly effective at the 28mm terminate. However, even at 70mm, one can presume that y’all’re going to get improve stabilization than with the 85mm f1.ii. That’due south because 70mm is a shorter focal length than 85mm. Of grade, your ability to better hold one lens over another will also be a factor. But in the most ideal situations, the Canon RF 28-70mm f2 will probably be better stabilized than the 85mm. Of course, y’all can potentially shoot at a faster shutter speed with the 85mm f1.two since information technology offers more than a stop of actress light-gathering capabilities.
I tin tell y’all from experience that their lens stabilization is superb. When I was testing the Catechism RF 35mm f1.8 USM, and the Canon 24-105mm f4 L IS USM, I was able to handhold the cameras down to insanely slow shutter speeds and accept solid luck.

In practice and in what I’ve seen with the Phoblographer’s staff, lens-based image stabilization is actually needed at effectually 85mm. But it also depends on the needs. If you’re shooting with a macro lens, I recall that image stabilization is necessary. Reviews Editor Paul Ip’south favorite focal length is the 135mm lens. And for the life of me, I really believe that a brand needs to put prototype stabilization n a focal length like that. I found it to exist really tough to practice with Zeiss lenses, especially because you lot have to basically crank the lens to focus information technology. Your hand turning the focusing band has an result on paradigm stabilization. And this may exist really seen when Canon EOS R5 and EOS R6 users attempt to arrange their EF lenses to the RF camera bodies. I tin can tell yous from feel that if there are contacts on the lens that you’re going to get some of the well-nigh authentic and careful manual focusing assists I’ve seen of any photographic camera organisation. But that won’t help you with image stabilization.
Realistically speaking, photographers using the Catechism EOS R5 and the Canon EOS R6 volition be using the company’s fantastic L lenses. Even their non-L glass is pretty solid, though. Merely the 28-70mm f2, 50mm f1,2, and 85mm f1.ii, I think, are the lenses that photographers should be most worried about.
How Much Epitome Stabilization Do Yous Go?

Start off, you should know that at viii stops, Canon is getting the most of any full frame camera arrangement. This is fifty-fifty more than than Micro Four Thirds. Well, there’s good news. According to Catechism, here’s what you’re getting:
8 Stops

The following lenses volition requite users of the Canon EOS R5 and the Canon EOS R6 up to 8 stops of image stabilization.
- Canon RF 24-70mm f2.viii Fifty IS USM
- Canon RF 24-105mm f4 L IS USM
- Canon RF 85mm f1.2 L USM (both variants)
- Canon RF 28-70mm f2 L USM
- Canon RF 24-105mm f4-7.one IS STM
seven Stops

The following lenses will give users of the Canon EOS R5 and the Canon EOS R6 up to seven stops of image stabilization.
- Canon RF fifteen-35mm f2.viii L IS USM
- Canon RF 35mm f1.8 IS USM
- Canon RF 50mm f1.2 L USM
7.5 Stops
The post-obit lenses will give users of the Catechism EOS R5 and the Catechism EOS R6 up to seven.5 stops of epitome stabilization.
- Canon RF seventy-200mm f2.8 L IS USM
six.five Stops
The following lenses volition give users of the Canon EOS R5 and the Catechism EOS R6 upward to vi.5 stops of image stabilization.
- Canon RF 24-240mm f4-six.3 IS USM Lens
half-dozen Stops
The following lenses will requite users of the Catechism EOS R5 and the Canon EOS R6 up to 6 stops of prototype stabilization.
- Canon RF 100-500mm F4.5-seven.1L IS USM Lens
Source: https://www.thephoblographer.com/2020/07/09/heres-how-the-ibis-system-in-the-canon-eos-r5-and-eos-r6-work/