Like new in box Celestron T-Adapter for SCT's. A T-Adapter allows you to attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. It threads onto the rear cell. Sells for $28 new. Asking $20 shipped (CONUS). If you have a Nikon camera, I'll throw in a Nikon T-Ring for another $7.50 - 50% off the new price. Paypal accepted from confirmed address.