Posts Tagged ‘Lens speed’

Who needs fast glass when you have high ISO?

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I've seen a few comments from some photographers stating that with the good high ISO performance from current cameras, there's no need to spend money on fast glass anymore. (If you're wondering what fast glass means, it means lenses with a large maximum aperture like f/1.4 or f/2.8, you can read more here: What does Lens Speed mean?)

In this article I want to take a look at this argument, and see if there is any truth in the statement.

Who needs fast glass when you have high ISO?

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Written by Discover Digital Photography

March 1st, 2015 at 3:14 pm

What does Lens Speed mean?

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A term that you might come across when reading photography articles or forums is that of Lens speed. This relates to all cameras, but you are particularly likely to see it used when lenses for interchangeable lens cameras are discussed.

Sometimes it may be mentioned that you need a fast lens, or that a certain lens is too slow. In this article we'll look at what lens speed means, and what makes a lens fast or slow.

What does Lens Speed mean?

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Written by Discover Digital Photography

December 15th, 2013 at 1:26 pm