ZWO 21 mm M54 Male Thread to M48 Female Thread Extension
ZWO 2" M54 Male to M48 Female - 21 mm Extension
Designed 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.