Focus peaking, new m6 mk ii

ihgold2 wrote:

m100 wrote:

That is how it works now. My M100 did focus peaking in magnified view too. M50 did not. M6II does not.

Thank you very much for the quick reply! It's too bad as it seems like a loss of functionality. But I'm glad to know that it's not something wrong with my camera

Correct, this is how it works on the newer M models. I don't mind it as when I was trying to do critical focus with the magnifier I found focus peaking on the original M6 distracting.

Note that focus peaking apparently is implemented only at the 'display' level either on the EVF or rear of the camera -- -my understanding is that it is applied on the display output and not on the original high-res image before downsampling it for display output.

As the display output is lower resolution than the camera sensor, this means that focus peaking is only approximate, and not nearly as precise as using the magnified view.

I've had several lenses that were very unforgiving about focus misses.... they were quite sharp lenses that had a short lens focus throw --- meaning they were hard to focus to the exact right spot. The slightest tweak of focus and they would get kicked off perfect focus. Sometimes you even had to focus them several times --- letting go of the focus ring while still checking focus, to make sure the focus didn't shift when you released tension on the ring.

Those lenses HAD to be focused using 10x magnification when used at max aperture - focus peaking wasn't precise enough to get a perfect focus. I got a lot of unsharp images before realizing this.

The lenses that did/do this were an adapted Nikon 35mm f1.8 DX f1.8G lens, an adapted Yashica 50mm f1.7 lens, and the Laowa 9mm f2.8 lens. Very sharp AF EF-M lenses would probably do this too (the Siggy 56 and Canon EF_M 32) if used in manual focus mode, I would guess.