This adapter is made out of ABS plastic and locks into the Phone Skope phone case and slides over the optic eyecup, creating a secure fit.
Model Fits C3-026-A: Swarovski ATM/STM/ATS/STS Non-HD / Zeiss Diascope 15-45x/20-60x Eyepieces / Zeiss Diascope 85 T*FL / Zeiss Victory Diascope 20-60x C3-001-A: Swarovski ATX/STX C3-VR50: Vortex Razor HD 50 C3-DB80: Diamondback 80 C3-DB60: Diamondback 60 C3-102-I: Maven S.1A/S.1S C3-101-I: Swarovski BTX C3-055-A: Nightforce TS-82 Xtreme C3-052-I: Vortex Kaibab C3-048-A: Vortex Diamondback / Vortex Talon HD C3-045-A: Optolyth Okular 80 / Swarovksi AT/ST C3-043-A: Leupold Gold Ring Compact C3-039-I: Leupold Mark 4 80 / Pentax PF-65ED / Kowa Highlander Prominar C3-037-I: Leupold Gold Ring C3-036-A: Burris High Country / Leupold Hawthorne / Maven B3 / Swarovski EL 8x32 / Swarovski SLC HD / Zeiss Conquest HD C3-030-I: Zeiss Victory Diascope 15-75x/20-75/15-56 Eyepiece C3-024-B: Leica