Purple cast on light reflection when not zoomed in sufficiently

[Sandbo (Sandbo Chang)]

It’s been a while and for a long time I thought it was purple fringing of my lens, when I haven’t zoomed in sufficiently I can see light reflections such as from the sea appear to be purple

But when I zoom in a bit more, they will disappear:

Note that in both of the above I have disabled the CA correction and had the purple fringing box unchecked. I also have tried exporting the photo with no correction, still I could not see any fringing at all. The lens is Voigtlander 35mm APO f/2 where I took the above with f/4 which should have very little to no fringing at the center.

Is it a DxO photo viewer limitation, or something is not working as expected?

[maderafunk]

It’s unfortunately the case that the rendering below 75% of zoom is of very low quality in Photolab, sharpness, optical corrections etc are all not applied. In images like yours, that makes it really hard to look at the picture. If you say that even without chromatic aberration corrections the image is fine in the output, then I would guess that Photolab uses some form of low quality demosaic mode, that exaggerates any optical imperfections. I had experienced the same.

[Sandbo (Sandbo Chang)]

I see, it’s good to know it wasn’t just me.
I was having the impression that my lens wasn’t good and DxO was helping a bunch in removing the purple fringing - I guess it’s often the case but in examples like the one I posted it was definitely hugely exaggerated lol

[Lucabeer (Luca Chichizola)]

Yes, I have complained about this so many times that I have lost count!

Sometimes it makes it very hard to even judge color balance, let alone sharpness!

The viewer must be rewritten from scratch and optimized!

[Lucabeer (Luca Chichizola)]

See here too (and vote for the requests):

Improve the viewer!

About the “burden”, let me add a couple of considerations… Other RAW developers are MUCH, MUCH faster in generating a preview than PL. And they manage to be faster while at the same time NOT having this blurriness at any zoom level. So, it’s not only a matter of allowing sharpening/microcontrast/aberrations correction at zoom levels below 75% (optionally). It’s a whole matter of complete rewriting of the visualization engine, because there is plenty of margin for optimization both in terms of…

Make sharpening visible at less than 75% zoom

If this has already been brought up recently, I apologize. I realize that the ability to view the effects of of the Lens Sharpness and Unsharp Mask panels only when zoomed to 75% and above was intended to speed up processing, but just about every other post processing program I’m familiar with seems to apply sharpening at most, if not all, zoom levels. It can be very inconvenient when trying to view the effects of sharpening on the entire image. I think its time that this is addressed. Mark

RAW images initially load clear, and then snap to blurry

Bringing this up back once in a while… 70% zoom: [immagine] 75% zoom: [immagine] Completely different rendition of color saturation…

[Lucabeer (Luca Chichizola)]

Changing of colors

I think it has something to do with led lights. Capture One is doing the same thing and Lightroom is changing color from white to green when I zoom in. All three screenshots below are at 50% magnification and ‘Camera standard’ profile. ‘’… When I open that picture it’s shown first in the right colors, then the program does some calculations and changes the color… ‘’ I see exactly the same thing as you … first white and after a few seconds red. [1_dxo] [2_lr] [3_c1]