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An exception to the rule… — Photog Mommie

An exception to the rule…

by Mary Jane

Post image for An exception to the rule…

And that rule being – SHOOT IN MANUAL!

I shoot in Manual Mode – 93.8% of the time. But, there are certain times that I will use Aperture Priority Mode – and I’ll do it with my head held high. Because in the end, I really just want the shot.

What is Aperture Priority Mode (Av on the camera dial), you might ask? It’s a camera setting that allows you to set your ISO and f/stop and the camera automatically sets the shutter speed for you. It’s a type of automatic setting, but it gives you control over your f/stop (which is a bonus).

When will I use Av, you might ask?

Well…if I’m shooting a moving subject in a really complex lighting situation, one that presents a less than ideal variation of shade and bright sun, etc., then I won’t hesitate to switch it over. For instance, when Piper was running through the sprinklers – there was direct sun, light shade, dark shade, half/half, a strong back light, etc. There was no way I could keep up with the changing exposures and try to focus on her little moving body. It would quite frankly be impossible.

So I got over myself and put it in Av. 🙂

All of these images were shot with my 70-200mm @ f/2.8. The shutter speeds were coming in at 1/2000.

But, please note that I did use my exposure compensation as well. Because the sun was behind her, I knew the camera was going to make Piper too dark, so I added +2/3 of a stop to the camera’s reading. Since cameras can’t think – you have do it for them sometimes!

And if you’re not having any luck getting good ones of your subjects face – try the booty instead.

{ 3 comments… read them below or add one }

Bets July 6, 2012 at 3:29 am

My friend and I were just discussing AV this morning and wondering about using it! What ISO did you choose with the drastic changes in lighting? And would you clarify what you meant by adding +2/3 of a stop? Thanks for the tips!!

Mary Jane July 6, 2012 at 10:34 pm

Good questions Bets! It’s good to pick a mid-range ISO like 400 – that way it should cover your bases in the darker light. On the back of your camera there is dial that you can turn when you’re in Av mode and it will let you add or take away light from the auto exposure. I turned it 2 clicks and added 2/3rds of a stop of light to brighten the photo – which the camera would have made too dark. Hope that helps!

Bets July 8, 2012 at 2:31 pm

Aha! I’ll have to give it a try! Thanks for your response!

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