Posts Tagged ‘factors affecting depth of field’

How do I get everything in focus?

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When photographing certain subjects or scenes, we want all of the image in focus. This is often the case in product photography and landscape photography. We want sharpness from front to back with no area of the product or landscape out of focus.

This can be tricky to achieve, but there are a number of techniques that can be used to achieve a very large depth of field (the amount of the image in focus).

How to get everything in focus

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Written by Discover Digital Photography

November 24th, 2013 at 1:18 pm

What does Equivalent Aperture mean?

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Something that you might come across when reading camera / lens reviews, or discussions, is talk about equivalent focal length and equivalent aperture. For example, a 50mm f/1.4 lens for a micro four thirds camera might be described as being a 100mm f/2.8 equivalent lens.

Lens aperture

But what does this really mean? I have already discussed equivalent focal length in the article Photography Basics – Focal length, though I will cover it again very briefly in this article. But mostly I want to look at the idea of equivalent aperture, and how this relates to depth of field and the amount of light gathered.

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Written by Discover Digital Photography

July 21st, 2013 at 6:59 am