Cable, USB to RS-232 Converter Adapter (Discontinued) Special Order Threaded metal covers for both

Threaded metal covers for both ends of the lens assembly: To protect your investment from unwanted dust and scratches

The midsize 32mm objective lenses bring in more light than our compact models while remaining lightweight and easy to hold

using just two mirrors

This is a nice feature

Cable, USB to RS-232 Converter Adapter (Discontinued) Special Order Threaded metal covers for bothThis cable is used to adapt a serial cable into a cable that is compatible with standard USB ports. Recommended for use with the Celestron RS 232 cable (93920) and Programming Cable (93922) which both feature serial connectors. NOTE: This is a TrendNet TU S9 version 3. 0R cable, offered by Celestron. It is not a Celestron branded item.