Check the listing for details. Celestron 8 Inch RASA 80mm Camera Dust Cap, connects on telescope. 3D Printed. Condition: New. Listed at 35.99 USD. Celestron C8 Dust Cap, for any c8, edge HD 8, Celestron 8 with RASA WITH CAMERA ATTACHMENTS. ONLY FITS THE 80MM ROUND RASA CAMERA. upgraded and thicker mask to have more strength. It connects on end of telescope and comes in a FULL CAP design to put on and off very easily. measurements before purchasing for your telescope. . This is meant for Celestron 8 INCH or edge HD 8 . , if buying for regular version it will work as well, CLEARACE IS 140MM past the end of telescope for plenty of room to leave space for THE 80MM WIDE RASA CAMERA Special design, More options will be available for the C8 hopefully soon. C8 bahtinov masks also available just ask. Condition is New. Shipped with USPS. Software Designed. Works great with these and similar models. 3d printed and designed by Spencer 3d. As always fast free USPS SHIPPING. 2 TO 3 DAY SHIPPING. BLACK . Other colors and types available just ask. If need a particular size message me,or if have questions. Total width is 232mm wide. 158MM tall. About 0.8 pounds in weight.THIS WAS ORIGINALLY MADE CUSTOM FOR A CUSTOMER. THE CAMERA THEY WANTED CLEARANCE FOR WAS M80MM ROUND AND 140MM CLEARANCE FROM END OF TELESCOPE. IF NEED A CUSTOM ONE MADE MESSAGE ME.