A T-Adapter means that you can attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. This arrangement
...The Celestron Trail Seeker 100 Straight Spotting Scope has a rugged & durable rubber armored housing that is fully waterproof
...The Celestron Trail Seeker 65 Straight Spotting Scope has a rugged & durable rubber armored housing that is fully waterproof &
...Improve power efficiency with Celestron Thermistor for Smart Dew Heater Controllers, which will prevent dew without draining your battery. Has a 2-year warranty