Duo connector Dust protection plug for attachment Accessories for the duo connector Blind plug for the bayonet ring on the attachment No contamination gets on the exit lens when the device is set down The blind plug enables the duo connector to be closed with a bayonet ring – for example for transporting the attachment in a bag during the day. The eyepiece side of the attachment remains protected against dirt, moisture or damage. The plug sits firmly on the bayonet ring with a sealing ring and is also sealed.














