Barrel Diameter

•  1.25" (1)
•  2" (1)

Focal Length

•  6 mm (1)
•  7 mm (1)
•  10 mm (2)
•  13 mm (1)
•  17 mm (1)
•  20 mm (1)
•  21 mm (1)
•  31 mm (1)
•  32 mm (1)

Brand

•  Antares (1)
•  Televue (1)