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neuroanatomist · May 13, 2026

stephen2026 said:
that is enough I think, just 1/80 flash could be able for some ordinary situations

In another thread, someone pointed out that the Sony ZV-E10 II has a flash sync speed of 1/30 s.

stephen2026 · May 13, 2026

neuroanatomist said:
If the readout speed is the same as the R6III (13-13.5 ms), then X-sync will be limited to 1/60 or 1/80 s.

that is enough I think, just 1/80 flash could be able for some ordinary situations

neuroanatomist · May 13, 2026

roby17269 said:
22?!?
I've ordered 4 since I rarely travel with more than 4 lenses... counting the 2 extenders I guess I could use 11

Easier for me to just change them all out (with apologies to the environment for the extra plastic). 18 lenses, two extenders, two mount adapters. I sometimes travel with up to six lenses, but I swap through lenses frequently at home. I’d rather not play a game of roulette where the prize is annoyance.

AlanF · May 13, 2026

Jan Wegener, one of the much better YouTubers, has done a review. https://www.youtube.com/watch?v=KNZJjKR0LeI
The main problem is that the detail of the images starts to drop at isos greater than 1600, and is significantly down at iso 6400.

The 100-400/4.5 is pretty long. Slightly longer than the RF 200-800 fully retracted, and some 4.5-5" longer than the RF 100-500.

P-visie · May 13, 2026

ThomasTH said:
That's a truly remarkable camera with a lot of possibilities, from landscape t wildlife to portraits and fashion.

I wonder if it will kill some of the Alpha 1 II sales?

Maybe, the main difference is the rolling shutter speed: 19.6ms versus 3.8ms for the A1 II (versus 6.3ms for the R5 Mk II).

neuroanatomist · May 13, 2026

Dmcavoy said:
So I’ve not had a chance to see much launch stuff yet but I just watched Gordon Laing (Cameralabs) video on the R6V and he mentions that he’s been told by Canon it will gain the ability to use flash in a firmware update soon.

If it’s not a stacked sensor like the R3, and the readout speed of the sensor isn’t that fast. Surely that will be very limited?

Anyone seen this mentioned anywhere else?

If the readout speed is the same as the R6III (13-13.5 ms), then X-sync will be limited to 1/60 or 1/80 s.

John Wilde · May 13, 2026

Dmcavoy said:
If it’s not a stacked sensor like the R3, and the readout speed of the sensor isn’t that fast. Surely that will be very limited?

"It's still a very fast readout speed sensor" - Jared Polin (4:50 in his video)

ScreensMatter · May 13, 2026

neuroanatomist said:
I might be possible. Might not. The zooming groups in the RF 20-50/4 PZ are relatively small and still need to be driven by two Nano USMs.

View attachment 229454

The issue would be that a telephoto zoom (e.g., 70-200mm), the lens groups that would need to move with zooming are going to be much larger and heavier than those in the RF 20-50/4. Here are the zooming groups in the RF 70-200/2.8L Z, for example:

View attachment 229453

That zooming group is larger than the two focusing groups in that lens, and each focusing group has its own Nano USM. In other words, it might not be possible with Nano USM (though they could use Ring USM). The other issue is the travel distance. The zooming groups would need to move much further in a telephoto zoom, and that may present a problem for a repurposed AF motor, I'm not sure.

The other issue is a marketing one – the RF 70-200/2.8L Z lens already exists and with the PZ-E2 accessory mounted it is a Power Zoom lens meaning Canon already sells what you're asking for. But it's not a cheap setup...

OTOH, they could conceivably make an 70-200mm f/4L PZ lens to match the new 20-50/4L. Time will tell.

You make some great points!

Having big and heavy zoom elements is a real problem they will have to solve. It will probably have to be variable aperture with software correction to keep exposure constant while zooming. I don't see how they will bring the small and light weight power zoom series to longer apertures without it.

About the, RF 70-200/2.8L Z and PZ-E2 is a great lens but the price and size does not really make sense to pair with a RF 20-50/4 PZ. I will never own it due to cost, might rent it if I need to.

Dmcavoy · May 13, 2026

So I’ve not had a chance to see much launch stuff yet but I just watched Gordon Laing (Cameralabs) video on the R6V and he mentions that he’s been told by Canon it will gain the ability to use flash in a firmware update soon.

If it’s not a stacked sensor like the R3, and the readout speed of the sensor isn’t that fast. Surely that will be very limited?

Anyone seen this mentioned anywhere else?

roby17269 · May 13, 2026

neuroanatomist said:
I preordered more than a few, since my rear caps migrate around on my lenses as I swap them. The problem I had was that B&H has a max order of 10 (and they mean it – trying to place a second order to exceed that simply did not go through). Fortunately, Adorama let me order the 22 rear caps that I need.

22?!?

I've ordered 4 since I rarely travel with more than 4 lenses... counting the 2 extenders I guess I could use 11

neuroanatomist · May 13, 2026

AlanF said:
Does it come with the RFII cap? It needs a cap as it has flourine coating according to B&H.

The Canon USA website says it comes with the Lens Dust Cap RF (not listed as MkII). Probably they have quite a few of the original version to offload, and will only include them with new lenses when they run out. I included the 20-50/4 in the count of MkII caps that I ordered.

m4ndr4ke · May 13, 2026

Handled it already

EDIT:

First impressions

The lens is really light for its size, it almost feels hollow. You can see it's very slightly wider than the VCM lenses.

The zoom range is lovely.
Autofocus is very fast.

The zoom ring is very loose if you use the manual zoom. For general use there’s really no lag; if you turn it extremely fast (on purpose), there’s just a little.
The W-T zone works like an analog control, so you can adjust the speed of zoom by rotating more or less, and it is spring loaded.

I took a few photographs with the lens, but I haven’t seen them yet on the computer. Anyway, my 20MP R6 isn't much of a challenge.

ThomasTH · May 13, 2026

That's a truly remarkable camera with a lot of possibilities, from landscape t wildlife to portraits and fashion.

I wonder if it will kill some of the Alpha 1 II sales?

AlanF · May 13, 2026

neuroanatomist said:
And...ordered. Shipping date is listed as July 24th.

View attachment 229451

Does it come with the RFII cap? It needs a cap as it has flourine coating according to B&H.

Del Paso · May 13, 2026

ChyckenPotPie said:
The new rear lens cap is the real story today!

Right!
Yet, the implementation of the Japanese concept "kaizen" was a bit slow!
And poka yoke failed as well!

neuroanatomist · May 13, 2026

roby17269 said:
Yes I have pre-ordered a few

I preordered more than a few, since my rear caps migrate around on my lenses as I swap them. The problem I had was that B&H has a max order of 10 (and they mean it – trying to place a second order to exceed that simply did not go through). Fortunately, Adorama let me order the 22 rear caps that I need.

Del Paso · May 13, 2026

neuroanatomist said:
B&H says July 24, not June 24. I wonder which it will actually be.

According to the official Canon website, it SHOULD be June 24.
But, as they say on French wine and liquor bottles, "a consommer avec moderation"...(To be enjoyed in moderation)
I guess B&H could be closer to reality.

neuroanatomist · May 13, 2026

f2_productions said:
I'm gonna call it now: In a few years, when the R6 MARK V is released, Canon might be having troubles with the naming of their video-centric cameras.

That's a late call.

https://www.canonrumors.com/forum/t...s-active-cooling-and-more….45117/post-1045271

stephen2026 · May 13, 2026

there is no any mechanical shutter, so I think this would not sell as well as R6 III, and it could be a video camera, but it could not support flash, do canon really think that if some one buy this camera just 100% precent for video and 0% percent of photo ? let's see if this will sell well. I will predict that it would not be a good coopetitor of sony and canon will finally realize this

AlanF · May 13, 2026

Need the RFII front RF Extender dust cap as well! Most of the time I change in the field it is when putting extenders on and taking them off.

roby17269 · May 13, 2026

ChyckenPotPie said:
The new rear lens cap is the real story today!

Yes I have pre-ordered a few

I hadn't realized that this is my first new order with Canon in almost 2 years (RF 35 1.4 VCM ordered Jun 5 2024)

domo_p1000 · May 13, 2026

It's a shame that they did not add Rugby to Action Priority in v1.3.0 - I would have thought that easier to accomplish than the addition of American Football, with the need to optimise human subject detection for individuals wearing helmets and shoulder pads.

f2_productions · May 13, 2026

I'm gonna call it now: In a few years, when the R6 MARK V is released, Canon might be having troubles with the naming of their video-centric cameras.

Yes, I know it's just a small issue, but imagine you are getting into photography in a few years, have no clue about cameras whatsoever and see constantly two different products with the same name (except the MARK, but not everyone uses it) made the same company. I guess thy will solve this in a certain way, but I for my part already hate it. It will be confusing as hell for some at least.

Th camera itself is fine, though I am not sure if there was really that much space between the R6 III and C50 for a even more hybrid camera.

candyman · May 13, 2026

This is a nice feature for those using 2 cameras of the same model:

9.Adds the ability to transfer AF-related settings between cameras of the same model by adding [Save to card] and [Load from card] to [Register/recall AF-related settings].

SHAMwow · May 13, 2026

I don't need this camera, but honestly it seems like a great release for video shooters. Idk why anyone would consider this for photos. Odd to me we're still seeing those complaints.

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