William Optics M80-to-M48 Adapter to Use Flat68III w/ FLT91 or Flat 7A w/ FLT120 Telescope

Product Details

This adapter is required to set the correct working distance with the following William Optics products:

1. William Optics Flat68III flattener with their FLT91 telescope or
2. Flat7A flattener with their FLT120 telescope

To use this, simply unscrew the original end adapter that terminates in the M48 male thread on the flattener and replace it with this longer adapter.

Correct back focus setting specifications:

• For P-FLAT68III with FLT91 telescope: 5mm
• For Flat7A with FLT120 telescope: 1.4mm

Specifications:

• Male thread: M48x0.75
• Female Thread: M80x0.75
• Weight = 5oz

Other Information

• Country of Manufacture: Taiwan