Opticallimits

Do vloggers use super wide angle lenses for vlogging? (Asking for a dinosaur friend)

https://drive.google.com/file/d/1STP3mli...TxVnJ/view

https://drive.google.com/file/d/1mn2FkSW..._5TsI/view

Yeah, the two lenses have already appeared on Canon Australia's website on the RF lens page, just when you click on the "view lens" button, you end up on an "OOps!
The page you're looking for can't be found" page.

And a few minutes later: they can be found.
https://www.canon.com.au/camera-lenses/rf-16mm-f2-8-stm
https://www.canon.com.au/camera-lenses/r...6-8-is-usm

This is interesting "69.2mm x 40.2mm (when lens retracted)" ... retracted ...

MTF and lens construction (link from my dpreview gallery images):

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Sample images RF 16mm f2.8:

On EOS R6, f8
https://cweb.canon.jp/eos/rf/lineup/rf16...-popup.jpg
On EOS R, f9
https://cweb.canon.jp/eos/rf/lineup/rf16...-popup.jpg
On EOS R6, f2.8
https://cweb.canon.jp/eos/rf/lineup/rf16...-popup.jpg

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Sample images RF 100-400mm f5.6-8 IS USM:

On EOS R6, 100mm, f5.6
https://cweb.canon.jp/eos/rf/lineup/rf10...-popup.jpg
On EOS R6, 400mm, f8
https://cweb.canon.jp/eos/rf/lineup/rf10...-popup.jpg
On EOS R6, 400mm, f8
https://cweb.canon.jp/eos/rf/lineup/rf10...-popup.jpg

Hmmh, the MTFs of the 16mm look ... crap.

The 100-400mm seems half-decent.

(09-14-2021, 10:48 AM)Klaus Wrote: [ -> ]Hmmh, the MTFs of the 16mm look ... crap.

Yes, it is definitely not an Irix 15mm f2.4 or Sigma 14mm f1.8.

But then again,  it does beat the Sony 16mm f2.8 APS-C lens hands down.

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(09-14-2021, 09:32 AM)Kodachrome 25 Wrote: [ -> ]Do vloggers use super wide angle lenses for vlogging? (Asking for a dinosaur friend)

Tell your dinosaur friend: yes.
https://www.youtube.com/watch?v=4r0GuXYx_LY

(09-14-2021, 10:48 AM)Klaus Wrote: [ -> ]Hmmh, the MTFs of the 16mm look ... crap.

Let's say they look like what we were afraid they'd look like

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(09-14-2021, 10:07 AM)Klaus Wrote: [ -> ]This is interesting "69.2mm x 40.2mm (when lens retracted)" ... retracted ...

Likely hinting that it's not an IF design. I doubt it means 'retracted' the Nikon way.

Like how the EF-M 22mm f2 STM works. It puts itself in the shortest position when powering down/getting unmounted from the camera (to prevent damage of the AF gears).
See this video at 1:02
https://www.youtube.com/watch?v=0jza1xYSuIg

https://www.youtube.com/watch?v=0jza1xYSuIg&t=157s

It would be interesting to see the MTFs at f/8. Haven't found them yet. The performance at f/2.8 is not all THAT interesting here.