Tests of digital filters, vintage lenses and experiments on micro 4/3 series cameras. For personal reference.
Books- vivid filter: Olympus 50mm f1.8 lens from 1983
Door- pinhole filter: Russian made Leica knockoff 17mm f2.0 lens from 1962
Statue- stark filter: Olympus 50mm f1.8 lens from 1983
Lake- normal: Toy Holga f8 lens