Meade #678 Dew Shield Compatible Flexible Dew Shield for Meade ETX-125EC Series Telescopes Meade #678 Dew Shield Compatible Flexible Dew Shield for Meade ETX-125EC Telescopes Flexible dew shields are made of non-reflective, flexible, light weight foam rubber sheeting. Flexible dew shields will not crack or dent like rigid (metal or hard plastic) dew shields. Flexible dew shields can be stored easily rolled up, lay flat or stay on the telescope. Flexible dew shields work better than rigid dew shield because foam rubber insulates better.