Double Convex‎ Lens Optically True 150mm & 500mm Focal Length 38mm Diameter

EUC- Pair of double convex lenses, precision crafted for optical accuracy. Each lens boasts a 38mm diameter, ensuring compatibility with a wide range of optical instruments. One lens has a focal length of 150mm, while the other has a focal length of 500mm. Ideal for various applications, from photography and astronomy to scientific experiments and educational demonstrations. Measurements: • Diameter: 38mm • Focal Length: 150mm (one lens) • Focal Length: 500mm (one lens)