Model: 616; Window Size: 1.31" x 2.16"

Model: 615; Window Size: 1.31" x 1.66"

Model: 614; Window Size: 0.75" x 0.75"

Model: 3P670; Window Size: 3.88"; Phase Center: 5.19"

Model: 3P669; Window Size: 2.87" x 6.30"; Phase Center: 5.00"