ZWO M54-M48 21mm Extension Celestron Q: The SQA55 itself can

Q: The SQA55 itself can be adapted to electronic focusers

It also acts as a lens shade to block stray light

even when the subject is at the top of a tree or high in the air

Also brings great color and clarity to every scene with comfortable full field view

) 2" Apparent Field of View (deg

ZWO M54-M48 21mm Extension Celestron Q: The SQA55 itself canDesigned using black anodized aluminum, this ZWO spacer offers 21 mm of extension with a 2" M54 male threaded nosepiece on one side and 2" M48 female thread on the opposite side. Suitable for use with any large camera that has M54 threads, whether from ZWO or another brand. Permits 2" astronomy filters to be used at the underside of the nosepiece. Adapter Connector Type Side A M54 Adapter Connector Type Side B M48 (Wide T or T2) Adapter or Spacer