Features:<br> <br> 1. Telescope C Mount Adapter: With a thread size of 25mm, the outer diameter is 31.7mm, compatible with 31.7mm eyepiece to C/CS mount CCD interface.<br> 2. Function: The telescope adapter has a 1.25-inch diameter for insertion into standard 1.25-inch telescope eyepiece holders, allowing a camera to be attached.<br> 3. Practical: The adapter allows adjustment of eyepiece position to help achieve sharper images. Simple to install with precise dimensions for a secure fit on most astronomical telescopes.<br> 4. Durable Material: Constructed from high-strength aluminum alloy for durability and stability. Resistant to deformation and wear, ensuring a long service life.<br> 5. Wide Application: Compatible with various telescope types, including reflector and refractor models, ideal for observing celestial objects such as star clusters, the moon, and planets.<br> Specifications:<br> Item Type: Astronomical Telescope C Mount Adapter<br> Material: Aluminum alloy<br> Thread Size: Approx. 25mm (0.98in)<br> Outer Diameter: Approx. 31.7mm (1.25in)<br> Package List:<br> 1 x Telescope C Mount Adapter