Kodak Projection Ektar f:4.5 75mm Enlarger Lens is a vintage lens from the late 1930s and early 1940s that we mounted on a modern mirrorless camera and tested for bubble or bubbly bokeh, swirly bokeh, sharpness, flare, and black-and-white photography.

Triplet 78mm F/2.8 MMZ is a Soviet-era projector lens that we mounted on a Nikon Z7 and tested for bubble or bubbly bokeh, swirly bokeh, flare, contrast, etc. and reviewed it.

We took a Steinheil Munchen Magnostar 1:2.8 f=8cm VL Projector Lens off its projector and mounted it on a Nikon Z7 mirrorless digital camera, and tested and reviewed it for sharpness, bokeh and bubble bokeh quality, flare, and black and white photography.

Kinon III F=5cm Hugo Meyer & Co Gorlitz Projector Lens was made before World War II for use on motion picture projectors. Using this lens on a modern mirrorless camera creates an astonishing bubble and swirly bokeh in photography.