ESATTO 3.5" LP ADAPTER FOR SCT WITH 2" THREAD Telescope bundle Two M5 screw holes are

Two M5 screw holes are included on the side of the extension at a distance of 22mm centre-to-centre for connecting a finderscope saddle such as the PLLBACEDX DX Finder Base

length 162 mm + 120 mm extension

Observatory astrophotography mount ideal for both visual and Astro-photographers

Large flat field

WO-M-GS61-RD (Red)

ESATTO 3.5" LP ADAPTER FOR SCT WITH 2" THREAD Telescope bundle Two M5 screw holes areThis adapter allows you to directly thread the ESATTO 3. 5" LP onto the back of Schmidt Cassegrain telescopes such as the Celestron 8" & 9. 25" SCT and EdgeHD 800 which have a 2" SC thread. The ESATTO is the perfect solution for achieving precise focus and avoiding mirror flop and focus shift by leaving the mirror locked, if possible. Optical thickness is just 10mm. Specifications Optical thickness 10 mm Compatible telescopes SCT with 2" thread