
For this post, I’m going to discuss two very useful, but very different apps. “Tide Graph” provides tide information for virtually any location in the U.S. “f/8 DoF Calculator” provides everything you need to know to determine and properly set your camera for controlling the area of “perceived focus” in your images, otherwise known as depth of field (DOF).
“By the sea, by the sea, by the beautiful sea …”
A little over a year ago, I helped organize a photography master class along the Northern California and Southern Oregon coast. A friend and I arrived 4 days before the master class began to scout potential shooting locations. Here’s a case where I hadn’t done all my homework, and it was an iPhone app to the rescue!
As we drove up and down the coastline, it quickly became obvious that “to be at the right place, at the right time,” we needed to know something about the tide tables, a subject I admittedly, knew nothing about. As we were trying to determine the best times to shoot a number of coastal locations, it was very easy to determine the direction of the sunlight using LightTrac. In some cases we wanted to shoot sea stacks close to the shore, but the questions became, “how high will the water be?” and “will I be standing on the beach or in 4 feet of water at shoot time?”
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