Kowa TSN-AS1.25K Adapter Ring for Astronomical Eyepieces (Knurled Screw)

Features:

• Adapter for Combining 1.25" Astro Eyepieces with TSN-99/88/77/66 PROMINAR Series Spotting Scopes
• The Knurled Screws Allow a Quick Change of the Eyepiece
• Use Your Beloved Astro Eyepieces on the PROMINAR Spotting Scopes From Kowa (excludes TSN-550 Series)