Celestron Dew shield - (Various sizes) Optolong Secondary mirror obstruction: 11

Secondary mirror obstruction: 11

Finder shoe for standard viewfinder holder

Thanks to the two-stage TEC cooling

25 inches receptacle and you can attach it directly your Sony DSLR camera body

It provides a uniform source of illumination for up apertures up to 250mm and produces high quality flat field frames for astrophotography and photometric captures

Celestron Dew shield - (Various sizes) Optolong Secondary mirror obstruction: 11The big advantage of a dew shield is that the dew shield not only further helps protect your lens from dew and frost, but also reduces stray light entering the telescope. These aluminum dew shields fit perfectly on Celestron 6", 8", 9. 25", 11", and 14" telescopes. Please select the correct size option before purchasing. The outer surface of the dew shield is a solid aluminum cylinder that won't deform or bend. Inside, the velvet lining absorbs stray