Optec 2" to SBIG STL Thread Adapter
Optec TCF 2" to SBIG STL Thread Adapter
This Optec OP-17667 2" to STL Thread Adapter is a 2" to 2.156" x 24 threads per inch male thread Adapter.
This product made by Optec, the model OP-17667 2" to STL Thread Adapter is designed to easily adapt the SBIG and QSI cameras and their filter wheels for the TCF-S focuser.
This OP-17667 2" to STL Thread Adapter by Optec is unique because, by holding tight tolerances (??????ñ 0.003") Optec has achieved a slip-fit that is second-to-none. When used with the TCF-S focuser, the OP-17667 with its precision machined dovetail cut exactly matches the three thumbscrews on the focuser's drawtube. By tightening the thumbscrews, the dovetail is drawn tighter to the face of the drawtube completely eliminating flexure.
Optec 2" to STL Thread Adapter Specifications:
- Overall Outside Diameter: 2.45" (62 mm)
- Outside Diameter (drawtube body): 1.995" (50.7 mm)
- Overall Height: 1.34" (34 mm)
- Height of 2.156"x24 threads: 0.24" (6.1 mm)
- Clear Aperture: 1.70" (43 mm)
- Weight: 1.4 oz (35 g)
- Back-focus Usage: 0.10" (2.75 mm)
- TCF-S or TCF-Si focuser
- TCF-S3 or TCF-S3i focuser with 17804 3-inch to 2-inch reducer
- Any manufacturer's 2" focuser or receiver
- M48 x 0.6 mm threaded filters
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