Kaleidoscope Lens, Acrylic 32MM or1 1/4 inch in Diameter Focal length 3.5 to 7 inches in Length KL-15 lens.
This is really a nice Quality Lens magnifies and Clarifies interior Images especially made for Kaleidoscopes.
This lens focuses well any distance from as close as 3 1/2 inches to 7 inches in length.
As kaleidoscope makers we have this lens made for us for our kaleidoscope called the Big Jazzy Kaleidoscope see link below for pictures and a video of the nice bright clear magnified interior images this lens helps to produce.
As a kaleidoscopee maker for 35 plus years after our eyes go thru the bifocal change these lenses are essential for all of us with older eyes.
Super A Plus Quality kaleidoscope magnification lens.