With such a wide variety available, you will always be able to find a SWAROVSKI OPTIK eyepiece to suit your personal hunting needs. Eyepieces are compatible with spotting scopes in the ATS/STS range and can be quietly and easily changed at any time. The 20-60x Variable eyepiece by SWAROVSKI OPTIK provides bright, crystal clear images right up to the image periphery over a wide range of magnification. Mfg: Swarovski