# Pro photographers using huge long lenses for well-lit indoor shoots

**URL:** <https://boards.straightdope.com/t/pro-photographers-using-huge-long-lenses-for-well-lit-indoor-shoots/844727>\
**Category:** Factual Questions\
**Created:** [December 11, 2019, 10:16pm UTC](https://boards.straightdope.com/t/pro-photographers-using-huge-long-lenses-for-well-lit-indoor-shoots/844727 "2019-12-11T22:16:50Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![scr4](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@scr4](https://boards.straightdope.com/u/scr4)\
**Post date:** [December 13, 2019, 4:51am UTC](https://boards.straightdope.com/t/pro-photographers-using-huge-long-lenses-for-well-lit-indoor-shoots/844727/21 "2019-12-13T04:51:07Z")

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> [@Flyer](#):
>
> Sometimes you WANT more than one thing to be in focus.

If you have a fast (large aperture) lens with you, you have a choice - stop it down for a deep depth of field, or use it wide open for a shallow depth of focus.

If you have a slow lens with you, you have no choice.

That’s why you always want to have a fast lens with you. Unless the weight, size and/or cost of a fast lens is an issue.

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