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Hi all
Some additional information
1. A glass bowl illuminated from below is ideal.
2. Water depth at least 2 cm, so that the bottom of the bowl is no longer sharp. Aperture approx. 5.6
3. Coloured light (continuous light = LED) from below gives good results. A CD automatically delivers "rainbow colours", however, only in a narrow area. Therefore a macro at 1:2 is ideal.
4. exposure time shorter than 1/100 to stop water/oil movements.
5. I tried different oils, what a mess to get everything clean again.
6. the following procedure worked best:
- Fill in clean water. Water from the tap can contain fluff or particles, which you can see clearly later.
- Fill in a little oil (e.g. sunflower oil), pipette, syringe or directly from the bottle.
- Stir the whole carefully until many single drops form.
- Wait !!! until the movements have calmed down and small "islands" with groups of drops have formed.
- Move the camera / glass bowl so that the drops are in the field of vision.
- Adjust Sharpness / CD / light and adjust lighting / colors until a good photo is possible.
- Photograph as long as the oil islands do not begin to wander through thermal movements.
Good luck

1. A glass bowl illuminated from below is ideal.
2. Water depth at least 2 cm, so that the bottom of the bowl is no longer sharp. Aperture approx. 5.6
3. Coloured light (continuous light = LED) from below gives good results. A CD automatically delivers "rainbow colours", however, only in a narrow area. Therefore a macro at 1:2 is ideal.
4. exposure time shorter than 1/100 to stop water/oil movements.
5. I tried different oils, what a mess to get everything clean again.
6. the following procedure worked best:
- Fill in clean water. Water from the tap can contain fluff or particles, which you can see clearly later.
- Fill in a little oil (e.g. sunflower oil), pipette, syringe or directly from the bottle.
- Stir the whole carefully until many single drops form.
- Wait !!! until the movements have calmed down and small "islands" with groups of drops have formed.
- Move the camera / glass bowl so that the drops are in the field of vision.
- Adjust Sharpness / CD / light and adjust lighting / colors until a good photo is possible.
- Photograph as long as the oil islands do not begin to wander through thermal movements.
Good luck