1″ (25.4mm) C-mount thread, connected to 31.8 mm (11/4″) receptacle.
18mm insertion length (with integrated 11/4″ filter holder – M28.5).
With pre-screw ring M28.5, as well as with filter screw-in thread.
M28.5 – suitable for all 11/4″ eyepiece filters.
Screw the eyepiece filter to the front of the sleeve or install an unmounted
Mount the filter glass firmly in the sleeve.
CHF 39.90
