Ocular Instruments › OG3MHD-10 - Maxfield High Definition Three Mirror Gonio Lens 10mm O.D. Image 1 of 1 OG3MHD-10 - Maxfield High Definition Three Mirror Gonio Lens 10mm O.D. $525.00 Product Code: OG3MHD-1Image Mag: .65xLaser Spot Mag: 1.54Contact Diameter: 10mmLens Height: 25mmStatic Gonio FOV: 150° Purchase Added! Product Code: OG3MHD-1Image Mag: .65xLaser Spot Mag: 1.54Contact Diameter: 10mmLens Height: 25mmStatic Gonio FOV: 150°