![Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/S/aplus-media/sc/2995cb6d-2abe-4405-afa9-7c79444ea652.__CR0,0,2910,1800_PT0_SX970_V1___.jpg)
Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
![Amazon.com : Canon Sure Shot 35mm point and shoot film camera with 38 mm f/2.8 Lens : Point And Shoot Digital Cameras : Electronics Amazon.com : Canon Sure Shot 35mm point and shoot film camera with 38 mm f/2.8 Lens : Point And Shoot Digital Cameras : Electronics](https://images-na.ssl-images-amazon.com/images/I/71Go-7zfFKL._AC_UL600_SR600,600_.jpg)
Amazon.com : Canon Sure Shot 35mm point and shoot film camera with 38 mm f/2.8 Lens : Point And Shoot Digital Cameras : Electronics
![Hasselblad announces 38mm, 55mm and 90mm F2.5 XCD V primes for its X System cameras: Digital Photography Review Hasselblad announces 38mm, 55mm and 90mm F2.5 XCD V primes for its X System cameras: Digital Photography Review](https://4.img-dpreview.com/files/p/E~TS590x0~articles/7392500369/Hasselblad_XCD_38mm_F2p5_2.jpeg)
Hasselblad announces 38mm, 55mm and 90mm F2.5 XCD V primes for its X System cameras: Digital Photography Review
![Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL: Science Classroom Optics Kits: Amazon.com: Industrial & Scientific Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL: Science Classroom Optics Kits: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/8117ez4fBOL.jpg)
Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL: Science Classroom Optics Kits: Amazon.com: Industrial & Scientific
![Hasselblad announces 38mm, 55mm and 90mm F2.5 XCD V primes for its X System cameras: Digital Photography Review Hasselblad announces 38mm, 55mm and 90mm F2.5 XCD V primes for its X System cameras: Digital Photography Review](https://www.dpreview.com/files/p/articles/7392500369/EADAD81F-8663-4632-B9EE-F7EA0F457D02.jpeg)