Sunny 16 rule ... not optimal at 16?

Started Jul 1, 2013 | Discussions thread
D Cox
Senior MemberPosts: 8,415
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Re: Sunny 16 rule ... not optimal at 16?
In reply to adymitruk, Jul 2, 2013

adymitruk wrote:

Cailean Gallimore wrote:

adymitruk wrote:

Was just trying out the sunny 16 rule with the kit lens on the NEX 7. It was mid-day and no clouds. So ISO 100 with 1/100 sec exposure and aperture of 16 was used. I'm concerned that I'm way too closed down f16. What would be the exposure if I was to use f8 or f11 instead.

I'm also concerned that I'm losing detail at f16 due to defraction. How do you adjust the sunny 16 rule so that you can keep the aperture you want? Each f stop up you 1/2 the exposure time?

Also, I guess the sunny 16 rule is a rough estimate and needs to be adjusted for the time of year and your latitude on earth among other things...

Any help is appreciated. I love having total control via manual mode and would love it if I could get he perfect exposure for a series of shots. Bracketing at +-1 EV is what I've done just in case at times..

An exposure meter is the thing. Guesswork and rules often work, but an exposure meter is something you can really trust. They are also great learning devices. There's always one in my bag.

What's a good one to get? They seem expensive.

I can't see any point. Your camera is already an exposure meter. Just point it at the subject and see what exposure it suggests. You can walk up to the subject and take a close reading if you want, or zoom to a long setting to read from part of the scene.

The main advantage of a separate meter is that it can read incident light. You can also use an iPhone to do this:

http://www.camerasandfilm.com/archives/471

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