I have a C102 HD with rings in beautiful condition. Comes with OTA,rings,finder and endcaps...no diagonal. I had a mishap overtighenting one of the rings to the mount and cracked it..I metal epoxied it and it's stronger than it was before it cracked.I can email pictures of the rings. Selling to help finance a 12.5 F/5 dob. $225.00 FREE S&H (US).