4" to 3.5" Adapter with Thumbscrews for 4" Focuser to use 3.5" TCC or FF (ADA435)
Brand : Astro-Physics
$169.00
- SKU:
- ADA435
The ADA435 adapter will allow owners of Astro-Physics refractors with 4” focusers to use the following accessories that require the approximately 3.5" opening:
The adapter fits into the 4” focuser’s drawtube and is secured with the focuser thumbscrews. The above field flatteners or telecompressor corrector will then insert and be held securely via the three ADA435 thumbscrews.
This extension has a net spacing distance of 0.90" (22.9 mm).
Diagram and Instructions
Field Flatteners, TCCs & QUADTCC Imaging Train Options
