Optec Inc. Mounting Ring with T-Mount (M42x0.75mm) male thread
$90.00
The #17465 42mm T-Thread mount allows IFW and MaxFilter systems, which use a 2.38-inch mount thread, to be directly connected to equipment that uses a T-Mount receiver connection.
Specifications
Outside Diameter: 2.9" (73.6mm)
Overall Height: 1.2" (30.5mm)
Clear Aperture: 1.38" (35mm)
Weight: 4.64 oz (131.5 g)
Back-focus Usage: 0.7" (17.78mm)
Telescope Side Connection: OPTEC-2380 Thread for IFW
Camera Side Connection: T-Mount (M42x0.75mm male thread)