The #17804 Reducing Adapter allows equipment with a 2-inch drawtube adapter to be attached behind 3-inch OPTEC-3000 equipment including the TCF-S3, IFW-3, and Pyxis 3" rotator.
This adapter includes a specially designed brass compression ring with grooves designed to hold eyepieces and other accessories tightly. Especially designed for use with the TCF-S3 series focusers.
- Outside Diameter: 3.48" (88.3mm)
- Overall Height: 1.38" (35mm)
- Clear Aperture: 2.01" (51mm)
- Weight: 6.08 oz (172 g)
- Compression Ring: ridged brass internal ring
- Back-focus Usage: 0.625" (15.9 mm)
- Telescope Side Connection: OPTEC-3000 Dovetail
- Camera Side Connection: 2" Receiver
- 2-inch Eyepieces,
- 2-inch Camera Nosepieces,
- Pyxis 2" camera field rotator,
- NextGen and Lepus series telecompressors,
- Any 2-inch 'push-fit' accessory.