Mike, that's great with the velcro stuck to the circumference of the OTA corrector. One addition/alternative which just occurred to me is to have a resistance strip inside the velcro band so that you have effectively a dew-heater as well. Then, rather than sticking a long length of velcro to the OTA, probably 3 to 6 spots of velcro (depends I guess on diameter) would suffice to adhere the dew-heater band cum dew-shield attachment to the OTA.
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