Tag Archives: Aperture

Blurry Backgrounds

If I want a sharp foreground subject with a blurred background – you have heard me say it many times, there are several ways. The reason this subject is always confusing is that it is very complicated. “Sharp focus” and … Continue reading

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Do you need fast lenses?

A recent comment on a post prompts me to remind you of what I have explained here many times before: it ain’t all aperture that makes blurry backgrounds. Of course aperture is a main factor: the larger the aperture (i.e. … Continue reading

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Effing!

F-numbers, that is. A post for beginners, today. About the “F”-number and why it is important. Very important. The most important number is the minimum f-number a lens can be set to. In other words, the maximum aperture, or lens … Continue reading

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Aperture effect

Here’s an effect we forget sometimes. When a lens is wide open, it vignettes. My 50mm lens at f/1.2: And here is that same lens a stop and a third closed down, at f/2.0: Can you see the difference? The … Continue reading

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Ideal Aperture

The ideal aperture is like really large, yes, a small F-number? Depends. Well then, at least in a portrait it is, yes? It can be. But you need to think about this carefully. Look at this image of some students … Continue reading

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