Wanderer Astro M68 Extension Adapter

Adds spacing to an M68 threaded imaging train Available in 8 fixed lengths from 5 mm to 20 mm Description FAQ Specifications In the Box Warranty Wanderer Astro M68 Extension Adapter The Wanderer Astro M68 Extension Adapter is a threaded extension ring for adding spacing to an M68 imaging train. It is offered in eight lengths from 5 mm to 20 mm. Eight Lengths from 5mm to 20mm Correct back focus is critical for sharp stars across the field. This M68 extension adapter adds distance to your setup in one of eight lengths: 5, 6, 7, 8, 9, 10, 15 or 20 mm. How do I use the Wanderer Astro M68 Extension Adapter? The Wanderer Astro M68 Extension Adapter goes into an M68 imaging train. Its purpose is to add a fixed amount of spacing to help you achieve the correct back focus distance for your system. Which length of the M68 Extension Adapter do I need? The correct length depends on the spacing your flattener or reducer requires. These adapters are available in 1 mm steps from 5 mm to 10 mm, plus 15 mm and 20 mm. Thread M68 Available Lengths 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 15 mm, 20 mm 5 mm Adapter SKU WA-M68E5 6 mm Adapter SKU WA-M68E6 7 mm Adapter SKU WA-M68E7 8 mm Adapter SKU WA-M68E8 9 mm Adapter SKU WA-M68E9 10 mm Adapter SKU WA-M68E10 15 mm Adapter SKU WA-M68E15 20 mm Adapter SKU WA-M68E20 M68 Extension Adapter × 1 (in the length ordered) Wanderer Astro 2-Year Warranty