How to shoot transparent objects in a homemade studio

1, plastic bag coated with matting liquid (oil);

2. Use an external flash or a normally lit photographic lamp;

3. Using a polarizer, it takes several attempts to determine the correct polarization angle with an external flash, and you can directly see the framing effect with a constant light.

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Shooting completely transparent objects should be combined with manual focusing.

Other points are the same as shooting objects without (less) reflection.