Smith-Victor 563 Stud Ball with 3/8" Female Mount Step-Down Rings Half scrims may be rotated

Half scrims may be rotated in position

ensuring high contrast and color faithful light transmission

These connectors have a female signal pin and will correctly mate with the original SMA type antennas

The two rings thread together and clamp onto the eyepiece

Smith-Victor 563 Stud Ball with 3/8" Female Mount Step-Down Rings Half scrims may be rotatedThe Smith Victor 563 Stud Ball with 3 8" Female Mount accepts the 520s and 540 collars, and fits on 3 8" stands. UPC: 037733002353 Packaging Info Package Weight 0. 1 lb Box Dimensions (LxWxH) 4. 4 x 2. 5 x 0. 6" All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.