Adjustable eyepiece adapter ring for large and small eyepieces of all brands. Compatible with SMARTOSCOPE VARIO and KOWA RP smartphone adapters. Suitable for eyepiece diameters of up to 63.7 mm and down to 46 mm. The inner compression ring ensures a comfortable, scratch-free grip on the eyepiece. Four fixing screws guarantee a secure, stable fit. Made from high-quality polyoxymethylene (POM-C) for durability. Includes three rubber spacers for maximum versatility and multiple size options. Designed and manufactured in Austria.

With the SMARTSCOPE universal adapter ring UR-4, you can easily and reliably connect your smartphone to large and small eyepieces of all brands with a diameter of up to 63.7 mm and down to 46 mm. This allows you to capture unique shots from nature.

Delivery includes:

* SMARTOSCOPE UR-4 spotting scope ring
* User manual.