I had a damaged Google Carboard that I cut in half, and taped a magnet to so I could stick it to the back of my phone and use as a budget macro lens. Works a treat for me
A laser pen is another random thing from which to salvage a lens. They typically habe a plastic lens to focus the beam of light. With care, it can be removed from the laser pen and used for macro shots.
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[Equipment] Lens from Old Google Cardboard | Spyke
Can you show us some photos taken with it?
There are some photos in my post history all taken with using it, but here's one of a sad dandelion
I might have to try this. I have a cardboard laying around somewhere.
A laser pen is another random thing from which to salvage a lens. They typically habe a plastic lens to focus the beam of light. With care, it can be removed from the laser pen and used for macro shots.