Why do you buy fast lenses/cameras?

Started 3 months ago | Polls thread
tko Forum Pro • Posts: 12,926
well

Michael Fryd wrote:

tko wrote:

trungtran wrote:

If i want better IQ in the low light, i use a bigger sensor

Bigger sensor don't gather more light, but bigger lenses do.

In terms of the lens, the angle of view and aperture diameter are the two main factors in how much light you gather. Generally, for a given angle of view, it's easier to find a lens with a large aperture for larger sensor cameras.

The OP implied he used a bigger sensor instead of of a bigger lens. They tend to go tougher, but you still need that faster lens.

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