blur vs focusout -- any real differences?
69501
In web browsers, what's the difference between onblur and onfocusout?
80219
What is the relationship between field of view and focal length for fisheye?
49623
Multi-window: prevent the out-of-focus app from pausing?
63434
Technically, why is the out of focus area blurred more when using a bigger aperture?
46903
OS X: Blurry Beamer presentations on Sierra / High Sierra
70814
How can I maximize the "blurry background, sharp subject" (bokeh) effect?
71343
Is there a noticeable difference between 1.8 and 1.4 prime lenses?
105343
Interference at the focus of a convex lens or a concave mirror
44637
What are the constructional differences between a macro and a regular lens?
42808
Simply bad focus or too big aperture?
95649
What is the best way to focus when doing night photography or astrophotography?
30241
How do different aperture and shutter settings affect a photo with the same overall exposure?
104837
How to create real tilt-shift lens blur in Blender?
6871
Is it possible to blur an image in such way that a person with sight problems could see it sharp?
64225
Photoshop/Illustrator difference in blend modes
44009
How can slightly blurred photos be improved in post processing?
95539
Do lenses affect color fidelity?