Model: 3P91; Window Size: 2.12"; Phase Center: 4.00"

Model: 3P90; Window Size: 1.63"; Phase Center: 4.00"

Model: 3P85; Window Size: 2.08"; Phase Center: 2.75"

Model: 3P84; Window Size: 8.50" x 2.00"; Phase Center: 2.75"

Model: 3P83, 3P86; Window Size: 1.55" x 0.45"; 1.55" x 0.25"; Phase Center: 2.75"

Model: 3P80, 3P81, 3P82; Window Size: 1.00", 1.63", 2.00"; Phase Center: 2.75"

Model: 3P56; Window Size: 2.13"; Phase Center: 3.50"

Model: 3P43; Window Size: 3.00"; Phase Center: 4.50"