One of the challenges in photography is shooting in low light situations. How do you take creative and beautiful photographs in museums, concerts, gymnasiums, restaurants or other places where you don't have (or don't want) a tripod and using a flash is not permitted?
Let me introduce you to the "ISO Escalator" technique. To my knowledge, this is a term that I coined a few years ago when I began to teach students how to leverage ISO to handle low light photography. If you want to learn more about ISO in general, review ISO Settings in Digital Photography, Digital Photography School.
One note on using Flash in low light situations. Don't! Flash kills the mood, may not be permitted and will annoy everyone around you. Also, please turn off Auto ISO.
The concept for the ISO Escalator is to determine the slowest shutter speed that you need for your shots, and yet be fast enough to avoid shaky/blurring pictures. Then determine what the best ISO to use, based on a room or space that is perhaps the darkest situation you plan to shoot at.
Imagine being in restaurant with just the ambient lights turned low for a nice mood. That is most likely your average or worst case lighting. In a Gallery or a Museum, one of the rooms where there may not be ambient light from outside windows.
Once you determine the correct ISO, you should be able to shoot in the space (and adjoining rooms) without thinking about anything but your composition. In our workshops, we teach that it is important to keep photography fun. This technique allows you to have fun, while knowing your photos are likely to come out looking nice, without the typical blur-shakiness we have all experienced.
This is an example of using the ISO Escalator in a reptile room at a Zoo.
Let's get started:
In the example above in the reptile room. I was using a 200mm lens, so I set my shutter to 1/200th - and worked my way up the escalator (now you know why I call it the ISO Escalator). At 3200, the subject looked well lite. I went one more stop (ISO 6400) and thought it was too bright, so I reset my ISO back to 1600 - and focused on composing pictures in this darkened room.
Recap: Try it yourself in your dining room or other interior space, with the lights dimmed.
Let me know if this simple technique has helped you to improve your low light photography.
11/15/2022 10:32:55 am
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