Optec Inc. 2-inch to 1¼-inch Adapter: Secure and Versatile for TCF Focusers

Specifications

Camera-side Compatibility:

• TCF-S or TCF-Si focuser,
• TCF-S3 or TCF-S3i focuser with #17804 3-inch to 2-inch reducer,
• Any manufacturer's 2-inch focuser or receiver.

• Overall Outside Diameter: 2.38" (60mm)
• Outside Diameter (main body): 1.995" (50.7mm)
• Overall Height: 1.40" (35.5mm)
• Clear Aperture: 1.25" (31.8mm)
• Weight: 4.6 oz (135 g)
• Back-focus Usage: 0.25" (6.4 mm)

Mechanical Drawing