Telescope DIY accessories 90MM objective lens holder

93MM objective lens holder and pressure ring

Type 1 93MM objective lens holder and pressure ring extended type

Adapted to the objective lens glass with an outer diameter of 93MM actual effective aperture 90MM can be used with

The main mirror tube with an outer diameter of 825MM is connected as a complete set

The outer diameter of the front hood is 1015MM This lens holder is an elongated lens holder which is more

52mm longer suitable for lenses with a focal length of 600 or less