The Computar EX2CS is a precision optical 2X Extender specifically designed for CS-Mount cameras and lenses. It acts as a teleconverter, doubling the focal length of whatever lens it is attached to.
| Type | 2X Optical Extender |
| Mount Type | CS-Mount |
| Focal Length Multiplier | 2x (e.g., a 50mm lens becomes a 100mm lens) |
| Aperture Impact | Using a 2X extender typically results in a 2-stop light loss (e.g., an f/1.4 lens becomes an f/2.8 effective) |
| Dimensions | 37.5 mm (Diameter) x 13.6 mm (Length) |
| Construction | High-quality optical glass elements in a metal housing |