Herschel Prism 1,25″
- Filter type: White light solar filter
- Design: Solar prism
- Suitable for: Refractors without built-in field flattener
- Telescope side connection: 1.25″ and M35x0.75 thread on the housing (female)
- Eyepiece side connection: 1.25″, T2-thread (male) and M35x0.75 thread on the housing (female)