Effect of using Alt+W (fullscreen sticky preview) - utilizes embedded JPG, very fast but look at these pixelized artifacts, especially strong in contrasty parts:
1:1 screenshot, view after click:
Impossible to evaluate sharpness, even roughly. Ergo - usable only to delete absolutely bad shots.
When user wants to view fullscreen 1:1 preview (“z” shortcut), DT processes RAW. And (why?) it takes 2-3 times longer than opening ing darkroom mode. No option to view embedded JPEG 1:1 even if “dont use JPG preview” option is off.
Worse - it’s rendered with so strange artifacts that picture looks like scratched with comb:
Crop from “full view”:
Veery slow (2-3 times slower than “culling” in darkroom mode) and completely unusable.
I though that my camera got some fault and deleted many good shots. Glad that I always make backup before “importing”.
The same photo in “inspect” mode in RT:
No artifacts, as fast as DT’s “sticky preview”. RT’s “Inspect” uses just the embedded jpeg and displays it 1:1. Depsite Panasonic embeds 1/4 size jpeg in RW2, it still represents actual image much better than any preview mode in DT.
When using Canon cameras, I get 100% resolution jpeg in CR2 files and this is utilized by RT’s “Inspect” module. DT utilizes jpeg only in “sticky preview” and “culling” modes, but resized down with strange effects (1st screenshot), wasting all potential of fast and detail-accurate preview.
You see, I really have read manual. And had “Don’t use JPEG preview but 1/4 RAW” option turned off. Before taking part in this topic, to not waste your (all helping guys) time.