The term spherical aberration is identified in base64 scheme by the sequence c3BoZXJpY2FsIGFiZXJyYXRpb24=, while the MD5 signature is equal to cbccd2d412715961cb6790e99ce4a588. The ASCII encoding of spherical aberration in hexadecimal notation is 73706865726963616c2061626572726174696f6e.