RC Optical Systems has a variety of threaded mounts and bolt patterns. Our #17823 is the first stock mount available which screws into the rear 4-3/4-inch 24 tpi (threads per inch) female receiver. This mount then presents the OPTEC-3600 dovetail for attachment of the TCF-S3, Perseus 4-port selector, Pyxis 3-inch, or any accessory with an OPTEC-3600 receiver.
- Overall Height: 0.90" (22.9mm)
- Clear Aperture: 3.05" (77.5mm)
- Weight: 5.2 oz (145 g)
- Back-focus Usage: 0.10" (2.5mm)
- RCOS 14.5"
- TCF-S3 series focuser,
- Pyxis 3" rotator,
- Perseus 4-port instrument selector,
- Any OPTEC-3600 receiver.