Retekess T131S Receiver Optical Tube Mounting If you're observing from heavily

If you're observing from heavily light-polluted sites or need maximum contrast

Fast charging via charging base

please get the optimum reception by rotating the direction of the radio

The back-focus is standard 55mm(starting from the base of the mounting thread on the adapter ring’s housing)

While we've heard that they may be compatible with the Takahashi FS128

Retekess T131S Receiver Optical Tube Mounting If you're observing from heavilyThe 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