f/1.4
can you see this?
Wide open — almost everything is soft. Try f/2.
f/1.4
Wide open — almost everything is soft. Try f/2.
f/2 — what is aperture?
Bigger hole = lower f-number = more light, shallower depth.
f/2.8 — f-stops
f/1.4 → f/2 → f/2.8 → f/4 → f/5.6 → f/8 → f/11 → f/16. Each full stop halves light.
f/4 — light
Smaller hole = less light, but more of the scene snaps into focus.
f/5.6 — ISO · aperture · colour
What we'll actually cover — how f-stops shape depth, how ISO trades noise for speed, and how colour temperature (warm vs cool) changes mood.
f/8 — next options
Depth is deep enough to place a subject in context.
f/11 — almost all sharp
Everything except far background is now sharp.
f/16 — all crisp
Maximum depth — foreground to far background. Needs bright light or tripod.
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