Retekess T131S Receiver Optical Tube Mounting The SII filter completes the

The SII filter completes the set

Best For: Portable astrophotography and lightweight imaging systems

installed above the support rings to increase the mechanical rigidity of the entire telescope (and allow you to attach other accessories such as guide rings to precisely adjust the position of the guide telescope)

which can stand by for more than 48 hours

Fast charging via charging base

Retekess T131S Receiver Optical Tube Mounting The SII filter completes theThe Retekess T131S Receiver with Headset is a lightweight, compact device designed for tours and translation, weighing just 30 grams and capable of operating continuously for up to 20 hours. Compatible with the T130S transmitter, it ensures effective communication over distances up to 100 meters (328 feet), making it ideal for group settings. This receiver includes D shaped headphones that comfortably fit both left and right ears and features a volume