Round objects are difficult to light when they are reflective, because... well, they reflect everything thatās around them, including the lights, the camera, and the photographer himself! Glass objects are also difficult to light in a way that will give them consistency, materiality, because light will tend to go through them without giving them any shape or volume. The brighter the lighting (the more āhigh keyā), the more challenging such objects can be.
The two photos below are of very little artistic value, that was not their purpose. Instead, I used them as exercises in lighting. The idea was to light them as brightly as possible while creating gradients that would reveal their contours, all the while without reflecting any of the shooting environment. It is the kind of exercise one can find in the book
Light: Science and Magic, which I have already mentioned.
Nikon D850, Micro-Nikkor 105mm, Ę/2.8 G VR macro lens. Gitzo tripod, Arca-Swiss Cube C1 head. Artificial lighting.
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Nikon Z7, Micro-Nikkor 105mm, Ę/2.8 G VR macro lens, FTZ adapter. Gitzo tripod, Arca-Swiss Cube C1 head. Artificial lighting.
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